Computing and AI glossary

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4G Fourth Generation (wireless communication standard)4G (Fourth Generation) is a wireless communication standard that provides high-speed internet access on mobile devices. It is…
5G fifth-generation wireless5G (fifth-generation wireless) is the newest standard for mobile networks, designed to deliver ultra-fast internet speeds, minimal delays,…

A

A-GPS Assisted GPSA-GPS (Assisted GPS) is a technology that improves the speed and accuracy of GPS location tracking by combining…
account takeoverAn account takeover (ATO) occurs when a cybercriminal gains unauthorized access to a user’s online account, often by…
activation keyAn activation key is a unique alphanumeric code required to unlock or validate software, apps, or online services.…
activation serverAn activation server is a remote system that checks licenses, validates subscriptions, or authenticates devices to ensure they…
Active Directory Active DirectoryActive Directory (AD) is a Microsoft service that stores and organizes information about network users, computers, and resources.…
ad tracker advertising trackerAn ad tracker (AT) is a piece of code or software that monitors your browsing habits, app usage,…
ad tracking advertising trackingAd tracking (AT) refers to the collection and analysis of user data to target advertisements based on browsing…
Administrative ShareAn administrative share is a special hidden folder in Windows operating systems that allows system administrators to access…
administrator rightsAdministrator rights are elevated permissions that allow a user to install software, change system settings, or manage user…
Advanced Boot Options Advanced Boot OptionsAdvanced Boot Options (ABO) is a diagnostic tool in operating systems like Windows, macOS, and Linux that provides…
Advanced persistent threat (APT) Advanced Persistent ThreatAn advanced persistent threat (APT) is a highly targeted and long-term cyberattack, typically carried out by well-funded groups…
adwareAdware is a form of software that displays advertisements to users, typically as a way for developers to…
Agentic AIAgentic AI refers to artificial intelligence systems designed to perform tasks autonomously, making decisions and executing actions with…
AI agentAn AI agent is a software program powered by artificial intelligence that can interact with users, process information,…
AI biasAI bias refers to systematic errors in AI systems that favor certain outcomes over others, often due to…
AI fine-tuningAI fine-tuning is the process of taking a pre-trained AI model and adapting it to perform a specialized…
AI hallucinationAn AI hallucination occurs when a language model or AI system generates incorrect, fabricated, or nonsensical information while…
AI model alignmentAI model alignment is the process of ensuring that artificial intelligence systems, especially language models, generate outputs that…
AI model alignment benefitsAI model alignment benefits refer to the positive outcomes when artificial intelligence systems are designed to understand and…
AI model alignment best practicesAI model alignment best practices are guidelines designed to ensure that artificial intelligence systems—like chatbots, image generators, or…
AI model alignment challengesAI model alignment challenges refer to the technical and ethical hurdles in ensuring AI systems follow human values,…
AI model alignment complianceAI model alignment compliance refers to the set of guidelines and regulations that ensure artificial intelligence models operate…
AI model alignment deploymentAI model alignment deployment refers to the careful adjustment and release of artificial intelligence models to ensure they…
AI model alignment ethicsAI model alignment ethics refers to the principles and frameworks designed to ensure that AI systems, especially large…
AI model alignment evaluationAI model alignment evaluation is the process of testing whether an AI system’s outputs match its intended purpose,…
AI model alignment frameworksAI model alignment frameworks are systems designed to ensure that artificial intelligence behaves in ways that align with…
AI model alignment governanceAI model alignment governance is the framework of policies, tools, and oversight that ensures AI systems behave as…
AI model alignment guidelinesAI model alignment guidelines are a set of best practices and ethical standards designed to ensure that AI…
AI model alignment limitationsAI model alignment limitations refer to the gaps between what an AI system is designed to do and…
AI model alignment methodsAI model alignment methods are techniques designed to ensure that artificial intelligence systems, particularly large language models, follow…
AI model alignment monitoringAI model alignment monitoring is the process of ensuring that artificial intelligence models, especially language models, follow their…
AI model alignment objectivesAI model alignment objectives are the rules and guidelines that ensure AI systems like chatbots or image generators…
AI model alignment policiesAI model alignment policies are guidelines and technical safeguards designed to ensure that artificial intelligence systems, particularly large…
AI model alignment proceduresAI model alignment procedures are methods used to ensure that artificial intelligence systems behave in ways that align…
AI model alignment protocolsAI model alignment protocols are guidelines and technical safeguards designed to ensure that AI systems—like chatbots, image generators,…
AI model alignment regulationsAI model alignment regulations are laws or guidelines that ensure artificial intelligence systems, like chatbots or image generators,…
AI model alignment requirementsAI model alignment requirements are guidelines and technical constraints designed to ensure that artificial intelligence systems—especially language models,…
AI model alignment risksAI model alignment risks refer to the potential for artificial intelligence systems to behave in ways that deviate…
AI model alignment specificationsAI model alignment specifications are guidelines or constraints designed to ensure that AI models—especially large language models—produce outputs…
AI model alignment standardsAI model alignment standards are guidelines or regulations designed to ensure that artificial intelligence systems, particularly language models,…
AI model alignment strategiesAI model alignment strategies are methods used to ensure that artificial intelligence systems, especially large language models, follow…
AI model alignment taxAI model alignment tax refers to the financial and computational costs incurred when developers adjust AI models to…
AI model alignment techniquesAI model alignment techniques are strategies used to ensure that artificial intelligence systems, especially large language models, follow…
AI model alignment testingAI model alignment testing ensures that artificial intelligence systems behave as intended, avoiding unintended or harmful outcomes. This…
AI model alignment toolsAI model alignment tools are programs designed to ensure that artificial intelligence systems behave as intended, avoiding harmful…
AI model alignment trainingAI model alignment training is the process of fine-tuning artificial intelligence models to ensure their outputs match human…
AI model alignment validationAI model alignment validation is the process of ensuring that an AI system, like a language model or…
AI model alignment verificationAI model alignment verification is the process of ensuring that an AI system’s outputs match its intended purpose…
AI model biasAI model bias refers to systematic errors in artificial intelligence systems that lead to unfair or prejudiced outcomes.…
AI model cardAn AI model card is a standardized document that describes the capabilities, limitations, and ethical considerations of an…
AI model driftAI model drift occurs when a trained AI model's predictions become less accurate because the data it encounters…
AI model interpretabilityAI model interpretability refers to the clarity and transparency of how an artificial intelligence system arrives at its…
AI model poisoningAI model poisoning is a type of cyberattack where attackers deliberately corrupt an AI system by feeding it…
AI promptAn AI prompt is a specific input—often a question, phrase, or set of instructions—used to guide an artificial…
AI prompt engineeringAI prompt engineering is the practice of designing and refining text inputs (prompts) to guide AI models like…
AI prompt injectionAI prompt injection is a security flaw where malicious or misleading instructions are embedded in the input given…
AI safetyAI safety refers to the measures taken to ensure that artificial intelligence systems operate reliably, ethically, and without…
AI training costAI training cost refers to the expenses involved in developing and refining artificial intelligence models, including computing power,…
AI training dataAI training data consists of vast datasets—text, images, or other inputs—that help machine learning models learn patterns and…
air-gappedAn air-gapped system is a computer or network that is physically separated from other networks, including the internet,…
AMOLED Active Matrix Organic Light-Emitting DiodeAMOLED (Active Matrix Organic Light-Emitting Diode) is a display technology used in smartphones and other devices. Unlike LCD…
Amperage electric currentAmperage, or electric current, measures the flow of electrons in a circuit, expressed in amperes (A).It’s determined by…
anonymizationAnonymization is a technique used to protect privacy by modifying or removing personally identifiable information (PII) from datasets.…
anonymous browsingAnonymous browsing is a way to surf the web without leaving a trace of your identity or personal…
antiphishing anti-phishingAntiphishing (AP) refers to security measures designed to detect and block fraudulent attempts to trick users into revealing…
API key Application Programming Interface keyAn API key is a digital passcode that identifies a user or application to an AI service, like…
API quotaAn API quota is a restriction set by AI service providers on the number of requests, data volume,…
APK Android Package KitAn APK (Android Package Kit) is a file format that contains all the code, resources, and assets needed…
app sandboxAn app sandbox is a restricted environment where applications operate with limited access to the operating system and…
App storeAn app store is an online platform that allows users to browse, download, and install applications for their…
App Store restrictionAn App Store restriction is a policy set by Apple or Google that controls which apps can be…
Application DataApplication Data refers to the files and settings that apps create to save your preferences, activity, and other…
application programming interface application programming interfaceAn API (application programming interface) is a set of rules and protocols that allows different software applications to…
Application Programming Interface (API) Application Programming InterfaceAn API (Application Programming Interface) is a tool that allows different software applications to communicate and exchange data.…
application whitelistingApplication whitelisting is a cybersecurity technique that restricts execution to a predefined list of authorized applications, blocking all…
ARPU (average revenue per user) average revenue per userARPU (average revenue per user) is a key metric in the telecom and mobile industry, showing the average…
attack surfaceAn attack surface is the sum of all potential entry points (like apps, passwords, or network connections) that…
Attention mechanismAn attention mechanism is a component in AI models, particularly large language models, that allows the system to…
Augmented Reality Augmented RealityAugmented Reality (AR) is a technology that blends digital elements—like images, text, or 3D models—with the real world,…
authentication bypassAuthentication bypass is a security flaw that allows attackers to access a system or account without providing valid…
Authentication serverAn authentication server is a specialized system that verifies user identities, typically through passwords, biometrics, or security tokens.…
Auto-brightnessAuto-brightness is a smartphone setting that dynamically adjusts the screen's brightness to match the surrounding light conditions. It…
Auto-rotateAuto-rotate is a smartphone feature that adjusts the screen orientation based on the device's tilt. It uses the…
automatic content recognition automatic content recognitionAutomatic content recognition (ACR) is a technology that scans and identifies media—such as videos, music, or images—to match…
Automatic updateAn automatic update is a feature that downloads and installs the latest version of an app or operating…
automatic updatesAutomatic updates are system or application patches that install themselves when available, ensuring security and performance improvements without…

B

B2B business-to-businessB2B (business-to-business) refers to commercial transactions between companies rather than between businesses and individual consumers. This model is…
B2C business-to-consumerB2C (business-to-consumer) refers to transactions where businesses sell products or services directly to end-users, rather than to other…
backdoorA backdoor is a secret method to bypass normal authentication and gain access to a computer, network, or…
Background App Refresh Background App RefreshBackground App Refresh (BAR) is a system feature that allows apps to fetch new data, such as emails,…
Backpropagation backward propagation of errorsBackpropagation is an algorithm used in training artificial neural networks, allowing them to improve their accuracy by adjusting…
backupA backup is a duplicate of your important files stored in a separate location, ensuring you can recover…
BandwidthBandwidth refers to the capacity of a network to transfer data, typically measured in bits per second (bps).…
base modelA base model is the most basic version of an AI system, typically offering core functionality without advanced…
Battery calibrationBattery calibration is a procedure that recalibrates a device's battery meter to ensure it displays the correct charge…
Battery cycle countA battery cycle count measures how many times a rechargeable battery has gone through a full charge-discharge cycle.…
Battery discharge rateBattery discharge rate refers to the speed at which a battery loses its stored energy, measured in percentage…
battery drainBattery drain occurs when a device's battery depletes more quickly than normal due to excessive power consumption by…
Battery fast chargeBattery fast charge is a technology that allows a device's battery to recharge at a significantly higher rate…
Battery healthBattery health refers to the overall condition of a rechargeable battery, measuring how much of its original capacity…
Battery lifeBattery life refers to the duration a device can operate on a full charge before its battery depletes.…
Battery optimizationBattery optimization refers to software or hardware features designed to prolong battery life by adjusting power consumption in…
battery percentageA battery percentage is a numerical indicator (usually 0% to 100%) that shows how much charge is left…
battery replacementBattery replacement involves removing a depleted or faulty battery from a device and installing a new one. Most…
Battery saverA battery saver is a software or hardware feature designed to optimize energy use in electronic devices, typically…
battery swapA battery swap is a technology that allows electric vehicles (EVs) or other battery-powered devices to exchange a…
Battery temperatureBattery temperature refers to the heat generated by a battery during use or charging. It is a critical…
Battery warningA battery warning is an alert that appears when a device's battery level drops below a critical threshold,…
Behavioral advertisingBehavioral advertising is a type of online marketing that uses data about your browsing habits, clicks, and purchases…
Behavioral analysisBehavioral analysis is a cybersecurity technique that tracks user actions to detect unusual or malicious behavior, like sudden…
behavioral trackingBehavioral tracking is the collection and analysis of data about a user’s online activities, such as websites visited,…
BERT Bidirectional Encoder Representations from TransformersBERT (Bidirectional Encoder Representations from Transformers) is an advanced AI model designed to understand the nuances of human…
Bias in AIBias in AI refers to the tendency of artificial intelligence systems to produce unfair or prejudiced results, often…
Bias mitigationBias mitigation refers to methods used to detect and reduce biases in AI models, ensuring fairer outcomes in…
Bill of Materials Bill of MaterialsA Bill of Materials (BOM) is a comprehensive inventory of every component, raw material, and subassembly required to…
BIM Building Information ModelingBIM (Building Information Modeling) is a digital tool used in construction and architecture to create detailed 3D models…
Biometric authenticationBiometric authentication is a security process that identifies individuals based on biological or behavioral characteristics, such as fingerprints,…
biometric dataBiometric data refers to unique biological or behavioral characteristics used to authenticate individuals, such as fingerprints, facial recognition,…
biometric spoofingBiometric spoofing is a cyberattack where fraudsters bypass security systems that rely on physical or behavioral traits, such…
BIOS Basic Input/Output SystemThe BIOS (Basic Input/Output System) is firmware stored on a chip in your computer's motherboard. It initializes hardware…
BIOS recoveryBIOS recovery is a troubleshooting method used when a computer's BIOS (Basic Input/Output System) becomes corrupted, preventing the…
BIOS reset Basic Input/Output SystemA BIOS reset is the process of reverting the BIOS (Basic Input/Output System) firmware of a computer to…
BIOS update failure Basic Input/Output SystemA BIOS update failure occurs when the firmware update process is interrupted or corrupted, preventing the system from…
BIOS/UEFI Basic Input/Output System / Unified Extensible Firmware InterfaceBIOS (Basic Input/Output System) and UEFI (Unified Extensible Firmware Interface) are firmware interfaces that initialize hardware during a…
black boxA black box in artificial intelligence refers to models, especially large language models, where the internal decision-making process…
Blue Screen of Death Blue Screen of DeathThe Blue Screen of Death (BSOD) is a stop-error screen in Windows that appears when the operating system…
Blue Screen of Death (BSOD) Blue Screen of DeathThe Blue Screen of Death (BSOD) is an error screen displayed by Windows when a critical system failure…
Bluetooth Bluetooth Special Interest GroupBluetooth is a short-range wireless communication standard that allows devices to exchange data over short distances, typically up…
Boot device priorityBoot device priority is a BIOS or UEFI setting that determines which storage devices (like a hard drive,…
Boot error codeA boot error code is a numerical or alphanumeric message displayed on your screen when your computer or…
boot loopA boot loop occurs when a device, such as a smartphone, tablet, or computer, repeatedly restarts without successfully…
Boot orderBoot order is a setting in a computer's firmware (like BIOS or UEFI) that determines which storage devices—such…
Boot priorityBoot priority is a setting in your computer's BIOS or UEFI firmware that decides the order in which…
Boot sectorThe boot sector is a small, critical area on a hard drive, SSD, or other storage device that…
Boot sector virusA boot sector virus is a type of malware that infects the boot sector of a hard drive,…
Boot timeBoot time refers to the duration between pressing the power button and when the operating system is fully…
Bootable CDA bootable CD is a compact disc that contains an operating system or recovery software, allowing a computer…
Bootable driveA bootable drive is a storage device (like a USB stick, external hard drive, or DVD) that contains…
bootable DVDA bootable DVD is a disc that contains an operating system or recovery tools and can start a…
Bootable flash driveA bootable flash drive is a USB storage device that contains an operating system or recovery tools, allowing…
Bootable ISO International Organization for StandardizationA bootable ISO (International Organization for Standardization) is a disk image file that contains a full operating system…
Bootable mediaA bootable media is a USB drive, DVD, or other storage device containing an operating system or recovery…
Bootable partitionA bootable partition is a designated area on a hard drive, SSD, or USB device that contains the…
Bootable Recovery DriveA bootable recovery drive is a USB flash drive or external hard drive that contains recovery tools to…
Bootable System Repair DiskA bootable system repair disk is a portable storage device (USB or DVD) containing tools to diagnose and…
Bootable USBA bootable USB is a flash drive containing an operating system or recovery tool that can start a…
Bootable USB creation toolA bootable USB creation tool is software that allows you to create a bootable USB drive from an…
Bootable USB CreatorA bootable USB creator is a software tool that prepares a USB flash drive to boot and run…
Bootable USB Creator SoftwareBootable USB Creator Software is a program that allows users to create a bootable USB drive from an…
Bootable USB DiskA bootable USB disk is a portable storage device that contains an operating system (OS) or recovery tools,…
Bootable USB Drive CreatorA bootable USB drive creator is a software application that formats a USB flash drive to store a…
Bootable USB Drive MakerA bootable USB drive maker is a software application that allows users to create a USB drive capable…
Bootable USB Drive SoftwareBootable USB drive software allows you to create a USB stick that can boot a computer independently of…
Bootable USB Drive ToolA bootable USB drive tool is a software application that allows users to create a bootable USB drive…
Bootable USB Drive WriterA bootable USB drive writer is a software tool that prepares a USB flash drive to boot a…
Bootable USB Flash DriveA bootable USB flash drive is a portable storage device that contains a bootable operating system or recovery…
Bootable USB ImageA bootable USB image is a file or drive containing a complete operating system (OS) or recovery tool…
Bootable USB installerA bootable USB installer is a portable storage device that contains the files needed to install or repair…
Bootable USB Installer CreatorA Bootable USB Installer Creator is a software utility that formats a USB flash drive to contain an…
Bootable USB installer diskA bootable USB installer disk is a portable storage device preloaded with an operating system (OS) installer, allowing…
Bootable USB Installer DriveA bootable USB installer drive is a portable storage device preloaded with an operating system (OS) installer, allowing…
Bootable USB installer flash driveA bootable USB installer flash drive is a portable storage device preloaded with an operating system (OS) installer,…
Bootable USB installer imageA bootable USB installer image is a file containing a complete operating system or recovery tool that can…
Bootable USB Installer MakerA bootable USB installer maker is a software utility that converts a standard USB flash drive into a…
Bootable USB installer mediaA bootable USB installer media is a USB flash drive containing an operating system (OS) installer, allowing you…
Bootable USB Installer PartitionA bootable USB installer partition is a section of a USB drive that contains an operating system or…
Bootable USB Installer Recovery DriveA bootable USB installer recovery drive is a portable storage device containing system repair tools and installation files…
Bootable USB installer softwareBootable USB installer software is a program that prepares a USB flash drive to install an operating system…
Bootable USB Installer System Repair DiskA bootable USB installer system repair disk is a portable storage device preloaded with recovery tools and installation…
Bootable USB Installer ToolA bootable USB installer tool is a software application that prepares a USB flash drive to function as…
Bootable USB Installer WriterA bootable USB installer writer is a software utility that prepares a USB flash drive to function as…
Bootable USB MakerA bootable USB maker is a software utility that allows you to create a USB drive capable of…
Bootable USB softwareBootable USB software allows you to create a USB drive that can start up (boot) a computer, typically…
Bootable USB toolA bootable USB tool is software that lets you create a USB drive that can boot a computer,…
Bootable USB WriterA bootable USB writer is a software utility that prepares a USB flash drive to install or recover…
botnetA botnet is a group of internet-connected devices infected with malware, allowing hackers to control them without the…
Bridge modeBridge mode is a network configuration that converts a router into a basic network bridge, effectively bypassing its…
BroadbandBroadband is a type of internet connection that offers much faster speeds than traditional dial-up. It typically provides…
browser extensionA browser extension is a software add-on that customizes the browsing experience by adding new features, blocking ads,…
browser fingerprinting browser fingerprintingBrowser fingerprinting (BF) is a technique that collects data from your device—such as screen resolution, installed fonts, and…
brute-force attackA brute-force attack is a cyberattack where hackers systematically try every possible password or encryption key until they…
BSOD troubleshooting Blue Screen of DeathBSOD (Blue Screen of Death) troubleshooting involves diagnosing and resolving critical system errors that cause Windows to crash…
business email compromise business email compromiseBusiness email compromise (BEC) is a sophisticated cyberattack where fraudsters impersonate company executives, vendors, or trusted partners to…

C

cable modemA cable modem is a networking device that converts data from your internet service provider (ISP) into a…
Cache memoryCache memory is a tiny but extremely fast type of memory built into a computer's processor or graphics…
call detail record (CDR) call detail recordA call detail record (CDR) is a data file generated by telecommunications networks that records information about a…
call forwardingCall forwarding is a telephony feature that automatically reroutes incoming calls to a different phone number, such as…
call mergingCall merging is a telephony feature that allows a user to combine two or more active calls into…
Call waitingCall waiting is a telephone service that alerts you to an incoming call while you're already engaged in…
camera accessCamera access refers to the permission granted to an application or website to use a device's camera, typically…
capabilityCapability refers to the specific functions or permissions a system, app, or service has to process, store, or…
CAPEX Capital ExpenditureCAPEX (Capital Expenditure) refers to the funds a business invests in physical assets, infrastructure, or technology expected to…
Caps LockCaps Lock is a toggle key on most keyboards that forces all typed letters to be uppercase until…
carrier billingCarrier billing is a payment method that lets users charge purchases—like apps, games, or subscriptions—to their mobile phone…
Carrier-grade NAT Carrier-grade Network Address TranslationCarrier-grade NAT (CGNAT) is a technique used by internet service providers (ISPs) to extend the limited pool of…
Cathode-ray tube Cathode-ray tubeA cathode-ray tube (CRT) is a bulky display technology that was the standard for TVs and computer monitors…
CDMA Code Division Multiple AccessCDMA (Code Division Multiple Access) is a wireless communication standard used in mobile networks. Unlike GSM, which relies…
Central Processing Unit Central Processing UnitThe CPU (Central Processing Unit) is the core component of a computer that performs calculations, runs programs, and…
Central Processing Unit (CPU) Central Processing UnitThe CPU, or Central Processing Unit, is the core component of a computer that processes instructions from software…
Certificate Authority (CA) Certificate AuthorityA Certificate Authority (CA) is a trusted third-party organization that issues digital certificates to verify the identity of…
certificate pinningCertificate pinning is a security technique that prevents man-in-the-middle attacks by hardcoding a server's digital certificate into an…
Channel bondingChannel bonding is a technique that links two or more network connections (like Wi-Fi, Ethernet, or fiber) into…
Charge-coupled device Charge-coupled deviceA charge-coupled device (CCD) is an electronic sensor that converts light into electrical signals to create digital images.…
charging portA charging port is a physical or wireless interface that allows a device to receive electrical power for…
Check Disk Check DiskCheck Disk (CHKDSK) is a built-in utility in Windows that scans your hard drive or SSD for file…
Checkpoint (AI model)A checkpoint is a snapshot of an AI model's state, including its weights and training progress, saved at…
ChipsetA chipset is a group of integrated circuits on a computer's motherboard that controls data flow between the…
chkdsk /f check diskChkdsk (short for 'check disk') is a built-in Windows utility that scans your hard drive for file system…
chkdsk /r Check DiskChkdsk (short for 'Check Disk') is a built-in Windows utility that scans your hard drive or SSD for…
clean bootA clean boot is a troubleshooting technique that restarts a computer with only the most basic drivers and…
click fraudClick fraud is a deceptive practice where automated bots or humans repeatedly click on online advertisements to generate…
Cloud StorageCloud storage is a service that lets you store data on remote servers accessed via the internet, rather…
cloud syncCloud sync is a technology that automatically copies and updates your files, photos, or data across multiple devices…
CloudflareCloudflare is a global network of servers that acts as a shield between websites and potential threats like…
CMOS battery Complementary Metal-Oxide-SemiconductorA CMOS battery is a coin-shaped, low-power battery found on most computer motherboards. It supplies energy to the…
CMOS settings Complementary Metal-Oxide-SemiconductorCMOS (Complementary Metal-Oxide-Semiconductor) settings are low-level configurations stored in a small battery-powered chip on a computer's motherboard. They…
Coaxial cableA coaxial cable is a type of electrical cable with an inner conductor surrounded by a tubular insulating…
command and control command and controlCommand and control (C2) refers to the infrastructure and techniques cybercriminals use to manage malware-infected devices, such as…
Command Line Interface (CLI) Command Line InterfaceA Command Line Interface (CLI) is a text-based system where users interact with a computer by typing commands…
Connection timeoutA connection timeout occurs when a network device, like a router or computer, stops waiting for a reply…
Consent management platform (CMP) Consent Management PlatformA consent management platform (CMP) is a software solution that enables organizations to comply with privacy regulations like…
ContainerizationContainerization is a method of bundling an application and its dependencies into a single, isolated unit called a…
Content Delivery Network Content Delivery NetworkA Content Delivery Network (CDN) is a distributed system of servers that delivers web content to users based…
Content Management System Content Management SystemA Content Management System (CMS) is a platform that allows users to build and maintain websites without deep…
Context windowA context window is the portion of prior text or conversation an AI language model can reference to…
contextual banditA contextual bandit is an AI model that balances exploration and exploitation to optimize decisions in real time.…
Control PanelA Control Panel is a graphical interface in operating systems like Windows, macOS, or Linux that lets users…
cookieA cookie is a tiny text file that websites save on your device to remember your actions, preferences,…
cookie consent banner cookie consent bannerA cookie consent banner (CCB) is a small window or bar that appears on websites, asking visitors to…
Cookie syncingCookie syncing is a technique used by digital advertisers to match user data across different platforms, allowing them…
Cooling systemA cooling system is a combination of hardware and software designed to regulate the temperature of computer components…
Core IsolationCore Isolation is a security technology designed to protect your computer by running sensitive system processes in isolated…
Cost of inferenceThe cost of inference refers to the computational resources required to process an input and produce an output…
cost of trainingThe cost of training refers to the financial and computational resources required to develop and refine AI models,…
Cost-Benefit Analysis Cost-Benefit AnalysisCost-Benefit Analysis (CBA) is a method used to evaluate whether the benefits of a decision outweigh the costs.…
CPU throttlingCPU throttling is the automatic reduction of a processor's clock speed to manage heat or power consumption. It…
credential stuffingCredential stuffing is a cyberattack where hackers use leaked or stolen username-password pairs to gain unauthorized access to…
Cron job Cron job (from 'chronos', Greek for time)A cron job is a time-based job scheduler in Unix-like operating systems that allows you to automate repetitive…
cross-attentionCross-attention is a mechanism in AI models that allows them to relate and combine information from two different…
Cross-platformCross-platform refers to software or applications designed to run on multiple operating systems or devices without requiring separate…
cryptojackingCryptojacking is a type of cyberattack where malicious software hijacks a victim’s computing power to mine cryptocurrencies like…
CTIA Cellular Telecommunications and Internet AssociationThe CTIA (Cellular Telecommunications and Internet Association) is a U.S. trade group representing wireless carriers, device makers, and…
Customer Premises Equipment Customer Premises EquipmentCustomer Premises Equipment (CPE) refers to hardware installed at a user's location to enable communication services, such as…

D

Daily Active Users (DAU) Daily Active UsersDAU (Daily Active Users) measures how many unique users interact with an app or service within a 24-hour…
DALL-E Deep Learning Algorithmus zur BildgenerierungDALL-E is an artificial intelligence model developed by OpenAI that generates images based on textual prompts. It uses…
dark webThe dark web is a part of the internet not indexed by search engines and only accessible through…
data breachA data breach occurs when unauthorized individuals access, steal, or expose confidential data, such as personal details, financial…
data brokerA data broker is a business that gathers, analyzes, and sells personal data to third parties, such as…
data capA data cap is a restriction imposed by internet service providers (ISPs) on the amount of data a…
data controllerA data controller is the entity that determines the purpose and means of processing personal data. This includes…
Data encryptionData encryption is a security method that converts readable data (plaintext) into an unreadable format (ciphertext) using mathematical…
data minimizationData minimization is a privacy principle that requires organizations to limit the personal data they collect, store, and…
Data portabilityData portability is the ability to transfer your personal data from one digital service to another without obstacles.…
data processorA data processor is an entity that processes personal data for a data controller (the organization that determines…
data protection impact assessment (DPIA) data protection impact assessmentA data protection impact assessment (DPIA) is a structured review to identify and minimize privacy risks in projects…
Data protection officer (DPO) Data Protection OfficerA Data Protection Officer (DPO) is a professional tasked with overseeing an organization’s compliance with data protection laws,…
data retentionData retention refers to the storage of personal or transactional data for a specified duration, usually mandated by…
Data roamingData roaming lets you access the internet on your phone when you're outside your home country by connecting…
data subjectA data subject is an individual whose personal information is gathered, stored, or used by a business, government,…
Data subject access request (DSAR) Data Subject Access RequestA data subject access request (DSAR) is a formal request under data protection laws, like the GDPR, that…
data subject request Data Subject RequestA data subject request (DSR) is a formal request made by an individual to an organization to access,…
Data throttlingData throttling is when an internet service provider (ISP) intentionally reduces your connection speed after you've reached a…
data usageData usage refers to the total volume of data transferred between your device and the internet, measured in…
DCB (Digital Content Protection) Digital Content ProtectionDCB (Digital Content Protection) is a technology designed to prevent piracy by encrypting digital media, such as movies,…
DDR memory Double Data RateDDR (Double Data Rate) memory is a high-speed type of RAM used in computers and other devices. Unlike…
De-identificationDe-identification is the process of modifying or removing personal data from a dataset so that individuals cannot be…
Dead zoneA dead zone is a spot where your wireless signal—whether Wi-Fi, cellular, or Bluetooth—is too weak to provide…
deep packet inspection deep packet inspectionDeep packet inspection (DPI) is a network monitoring method that examines the contents of data packets in real…
Deep packet inspection (DPI) Deep Packet InspectionDeep packet inspection (DPI) is a network monitoring method that examines the contents of data packets in real…
DeepfakeDeepfakes are AI-generated fake videos, images, or audio recordings that mimic real people with striking realism. They use…
Deepfake scamA deepfake scam uses artificial intelligence to create realistic but fake videos, audio, or images of someone—often a…
Default browserA default browser is the web browser set by your operating system or manually by the user to…
Denial of Service (DoS) Denial of ServiceA Denial of Service (DoS) attack is a malicious attempt to disrupt the normal functioning of a network,…
denial-of-service attack denial of serviceA denial-of-service (DoS) attack is a malicious attempt to disrupt normal traffic to a targeted server, service, or…
DependencyDependency refers to a situation where a software application requires another piece of software, library, or service to…
device fingerprintingDevice fingerprinting is a technique that identifies a device based on its unique configuration, such as browser settings,…
DHCP reservation Dynamic Host Configuration Protocol reservationA DHCP reservation is a network setting that links a specific device to a permanent IP address, preventing…
differential privacyDifferential privacy is a technique that adds controlled noise to data to protect individual identities while allowing useful…
Diffusion modelA diffusion model is a machine learning technique used to generate high-quality images, text, or other data by…
Digital certificateA digital certificate is an electronic document that verifies the identity of a website, app, or device. It…
digital footprintA digital footprint is the collection of data that you actively or passively leave online, including browsing history,…
Digital forensicsDigital forensics is the process of recovering, analyzing, and preserving digital evidence from computers, smartphones, and other devices…
digital identityA digital identity is a collection of data that represents a person online, including usernames, passwords, biometric data,…
digital rights management digital rights managementDigital rights management (DRM) is technology used to restrict access to copyrighted material, such as music, movies, or…
Digital Service System Digital Service SystemA Digital Service System (DSS) is a software platform that automates customer support, billing, and troubleshooting for mobile…
Digital signatureA digital signature is an encrypted stamp that verifies the sender’s identity and ensures the integrity of digital…
Digital Visual Interface Digital Visual InterfaceDVI (Digital Visual Interface) is a video display interface standard designed to transmit high-resolution digital video signals from…
Direct Memory Access Direct Memory AccessDirect Memory Access (DMA) is a technique that allows certain hardware components, like disk drives or graphics cards,…
Direct-to-Consumer (D2C) Direct-to-ConsumerDirect-to-Consumer (D2C) is a retail strategy where brands sell their products directly to customers through their own websites,…
Discharge rateThe discharge rate measures how quickly a battery's energy is consumed when powering a device. It's usually expressed…
discriminative modelA discriminative model is a type of machine learning model designed to predict the probability of a specific…
Disk cleanupDisk cleanup is a utility that scans your computer's storage for temporary, cached, or redundant files and deletes…
Disk cloningDisk cloning is the process of creating an exact copy of a hard drive or SSD, including its…
Disk defragmentationDisk defragmentation is the process of consolidating fragmented files on a hard disk drive (HDD) to optimize storage…
Disk encryptionDisk encryption is a security measure that converts data stored on a disk into an unreadable format unless…
Disk imagingDisk imaging is the process of creating a bit-by-bit copy of a storage device, such as a hard…
Disk mirroringDisk mirroring is a data redundancy technique where identical copies of data are stored on two or more…
Disk partitionA disk partition is a logical division of a physical storage device, like a hard drive or SSD,…
Disk partitioningDisk partitioning is the process of dividing a physical or virtual hard drive into distinct sections called partitions,…
Disk stripingDisk striping is a data storage technique where information is divided into blocks and spread across multiple hard…
disk wear levelingDisk wear leveling is a process used in solid-state drives (SSDs) and flash memory to distribute data writing…
DiskpartDiskpart is a built-in utility in Windows that allows users to manage disk partitions, such as creating, deleting,…
Diskpart clean Disk PartitionDiskpart clean is a command used in Windows to completely wipe a storage device, removing all partitions, files,…
Distributed Antenna System (DAS) Distributed Antenna SystemA Distributed Antenna System (DAS) is a network of antennas that work together to boost mobile signal strength…
Distributed Denial of Service (DDoS) Distributed Denial of ServiceA DDoS (Distributed Denial of Service) attack is a malicious attempt to disrupt a website or online service…
Distributed trainingDistributed training is a technique where an AI model is trained using multiple computers or processors working in…
DNS (Domain Name System) Domain Name SystemDNS stands for Domain Name System, a decentralized network that converts human-readable domain names (like 'google.com') into IP…
DNS propagationDNS propagation is the process by which updates to a domain's DNS records (like IP address changes or…
DNSSEC Domain Name System Security ExtensionsDNSSEC (Domain Name System Security Extensions) is a security protocol that adds cryptographic signatures to DNS data, ensuring…
do not track do not trackDo Not Track (DNT) is a privacy feature that allows users to signal their preference not to be…
do not track (DNT) do not trackDo Not Track (DNT) is a privacy feature that allows users to signal their preference not to be…
Do Not Track policy (DNT) Do Not TrackA Do Not Track (DNT) policy is a user preference that signals to websites and advertisers that the…
Docking stationA docking station is a hardware accessory that allows a portable computer, such as a laptop or tablet,…
domain privacyDomain privacy is a service that shields the registrant’s contact information (name, address, email, phone) from appearing in…
Domain transferDomain transfer is the process of changing the registrar (the company managing the domain name) while keeping the…
dots per inch dots per inchDPI (dots per inch) is a unit of measurement that describes the resolution of a printed or digital…
Double Data Rate Double Data RateDDR (Double Data Rate) is a type of RAM (Random Access Memory) that synchronizes data transfers with the…
Double NAT Network Address TranslationDouble NAT occurs when a device (like a router or modem) is placed behind another router, creating two…
DownstreamDownstream is the direction of data transmission from a server or source to a user’s device, such as…
Downstream speedDownstream speed refers to the rate at which data is received by your device from the internet, typically…
Downstream taskA downstream task is a practical application that relies on the output of a pre-trained AI model, such…
DoxxingDoxxing (short for 'dropping docs') is the malicious practice of exposing a person's personal data—such as their real…
DriverA driver is a software component that enables communication between an operating system and hardware devices. It translates…
driver conflictA driver conflict occurs when two or more device drivers installed on a computer interfere with each other,…
Driver rollbackDriver rollback is the process of reverting a device driver to a previous version to resolve compatibility issues,…
Driver rollback failureDriver rollback failure occurs when a computer system cannot revert to an older driver version after an update.…
Driver signature enforcementDriver signature enforcement is a security mechanism in Windows that requires device drivers to be digitally signed by…
driver updateA driver update is a small software program that ensures your operating system can properly control hardware components…
DTMF Dual-Tone Multi-FrequencyDTMF (Dual-Tone Multi-Frequency) is a signaling technology used in telephony to transmit data by pressing keys on a…
dual batteryA dual battery system uses two batteries to power a device, ensuring continuous operation even if one battery…
Dual BootDual boot is a setup that allows a single computer to run two different operating systems (OS) by…
Dual In-line Memory Module Dual In-line Memory ModuleA DIMM (Dual In-line Memory Module) is a type of memory card that contains random access memory (RAM)…
Dual-band Dual-band Wi-FiDual-band Wi-Fi refers to a router or device that operates on both the 2.4 GHz and 5 GHz…
Dual-band Wi-FiDual-band Wi-Fi is a wireless networking technology that operates on two frequency bands: 2.4 GHz and 5 GHz.…
Dual-boot configurationA dual-boot configuration allows a computer to start up with either of two installed operating systems, such as…
dual-channel memoryDual-channel memory is a technology that allows a computer's processor to access two memory modules (RAM sticks) simultaneously,…
Dual-core Dual-coreA dual-core processor is a central processing unit (CPU) with two independent cores, allowing it to execute two…
dynamic consentDynamic consent is a privacy model that allows users to adjust their data-sharing permissions at any time, rather…
dynamic contentDynamic content refers to digital information that adapts in real time, unlike static content which remains fixed. It…
Dynamic DNS Dynamic Domain Name SystemDynamic DNS (DDNS) is a service that maps a domain name to a changing IP address, typically used…
Dynamic IP Internet ProtocolA dynamic IP (Internet Protocol) address is a temporary identifier assigned to a device by an Internet Service…

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EAP Enhanced Audio ProcessingEAP (Enhanced Audio Processing) is a technology found in modern smartphones that improves call clarity by suppressing ambient…
eavesdroppingEavesdropping is the act of secretly listening to or recording private conversations, often through electronic means. It can…
effective consentEffective consent means that a user must freely, specifically, and unambiguously agree to the collection, processing, or sharing…
EFI Extensible Firmware InterfaceEFI (Extensible Firmware Interface) is a modern firmware standard that replaces the older BIOS in computers, managing hardware…
EFI boot manager Extensible Firmware InterfaceThe EFI (Extensible Firmware Interface) boot manager is a modern firmware interface that initializes hardware and loads the…
EFI System Partition (ESP) EFI System PartitionThe EFI System Partition (ESP) is a dedicated storage space on a computer's hard drive or SSD that…
electronic communications data (ECD) electronic communications dataElectronic communications data (ECD) includes metadata (like timestamps and sender info) and content (emails, messages, call recordings) from…
EmbeddingAn embedding is a numerical representation of data, like text or images, that captures its meaning in a…
embedding spaceAn embedding space is a high-dimensional mathematical representation where data—like words, images, or sounds—are converted into numerical vectors.…
Emergency File System Emergency File SystemEmergency File System (EFS) is a diagnostic and recovery tool used to troubleshoot and repair common computer issues,…
eMMC storage embedded MultiMediaCardeMMC (embedded MultiMediaCard) storage is a compact, low-power flash memory solution commonly found in budget smartphones, tablets, and…
Encrypted trafficEncrypted traffic is internet data that has been converted into a secure, unreadable format to prevent unauthorized access.…
encryptionEncryption is a security process that converts readable data (plaintext) into an unreadable format (ciphertext) using mathematical algorithms.…
Encryption at restEncryption at rest is a security measure that converts stored data into an unreadable format using cryptographic algorithms.…
encryption in transitEncryption in transit is the process of converting data into an unreadable format while it travels across networks,…
encryption keyAn encryption key is a string of characters used to encrypt (scramble) and decrypt (unscramble) data. It ensures…
end-to-end encryption end-to-end encryptionEnd-to-end encryption (E2E) is a security protocol that ensures only the communicating parties can read messages or access…
End-to-end encryption (E2EE) end-to-end encryptionEnd-to-end encryption (E2EE) is a method of securing digital communications so that only the people involved in the…
endpoint protection endpoint protection platformEndpoint protection (EPP) is security software designed to defend individual devices (endpoints) such as computers, smartphones, and tablets…
endpoint security endpoint securityEndpoint security (ES) is a cybersecurity approach focused on securing individual devices (endpoints) such as laptops, smartphones, and…
Enhanced IDE Enhanced Integrated Drive ElectronicsEnhanced IDE (EIDE) is an improved version of the original Integrated Drive Electronics (IDE) interface, used to connect…
ensemble learningEnsemble learning is a machine learning technique that merges predictions from several models to improve accuracy and robustness.…
eSIM embedded SIMAn eSIM (embedded SIM) is a virtual SIM card embedded in a device, allowing users to activate a…
EthernetEthernet is a wired networking standard that allows devices like computers, routers, and servers to communicate over a…
Ethical AIEthical AI refers to artificial intelligence systems developed with fairness, transparency, and accountability in mind, ensuring they align…
exFAT Extended File Allocation TableexFAT (Extended File Allocation Table) is a file system designed by Microsoft for flash memory devices like SD…
explicit consentExplicit consent is a legal and ethical requirement where a user must consciously and unambiguously agree to the…
exploitAn exploit is a piece of code or technique that takes advantage of a vulnerability in software, hardware,…
extended validation certificate extended validation secure sockets layerAn extended validation (EV) SSL certificate is a type of digital certificate that verifies the legal identity of…
External driveAn external drive is a standalone storage device that connects to a computer via USB, Thunderbolt, or another…

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Face IDFace ID is an advanced security feature that uses facial recognition to authenticate users on smartphones. It relies…
fake antivirus fake antivirusA fake antivirus (fake AV) is a type of malware that disguises itself as legitimate antivirus software. It…
Fake websiteA fake website is a counterfeit online platform that mimics legitimate sites to deceive visitors. It often uses…
Fan controlFan control refers to the regulation of cooling fan speeds in computers and other electronic devices to manage…
fan failureA fan failure occurs when a cooling fan in a computer or electronic device stops functioning, either due…
Fan speedFan speed refers to the rotational speed of a cooling fan in a computer or electronic device, measured…
fan speed controlFan speed control is a feature in computers and other devices that regulates the rotation speed of cooling…
Fast bootFast boot is a feature that reduces the time it takes for a device to start up by…
Fast chargingFast charging is a technology that delivers higher power to a device’s battery in a shorter time compared…
Fast StartupFast Startup is a power-saving feature in Windows that reduces boot time by storing system files and settings…
FAT32 File Allocation Table 32FAT32 is a file allocation table (FAT) file system introduced by Microsoft in 1996. It’s widely used for…
FAT32 conversion File Allocation Table 32FAT32 (File Allocation Table 32) is a file system that allows data to be stored on storage devices…
FAT32 limitation File Allocation Table 32FAT32 (File Allocation Table 32) is a file system format used in storage devices like USB drives and…
FDD (Fault Diagnosis and Repair) Fault Diagnosis and RepairFDD stands for Fault Diagnosis and Repair, a systematic approach used by technicians to identify and resolve hardware…
Fear of Missing Out Fear of Missing OutFear of Missing Out (FoMO) is a psychological phenomenon where people feel compelled to stay constantly connected to…
Fiber opticFiber optic technology uses thin strands of glass or plastic to transmit data as pulses of light, offering…
Fiber to the Premises (FTTP) Fiber to the PremisesFiber to the Premises (FTTP) is a broadband technology that delivers internet, TV, and phone services using fiber-optic…
File ExplorerFile Explorer is a built-in application in Windows that lets users navigate their computer's file system, open, move,…
File systemA file system is a structured method for storing, retrieving, and managing files on a storage device. It…
File System Check (FSCHK) File System CheckA File System Check (FSCHK) is a diagnostic tool that scans a storage device (like a hard drive…
File Transfer Protocol File Transfer ProtocolFTP (File Transfer Protocol) is a standard network protocol used to transfer files from one computer to another…
File Transfer Protocol (FTP) File Transfer ProtocolFTP (File Transfer Protocol) is a standard network protocol used to transfer files from one computer to another…
fine-tuned modelA fine-tuned model is an AI model that has been further trained on a specific dataset after its…
fine-tuningFine-tuning is the process of taking a pre-trained AI model—like a large language model or image generator—and tweaking…
Firewall exceptionA firewall exception is a rule configured in a firewall to allow certain data to pass through that…
Firewall ruleA firewall rule is a specific instruction in a network firewall that dictates whether incoming or outgoing traffic…
Firewall rulesFirewall rules are a set of security guidelines that dictate which internet traffic is allowed or blocked on…
firmware flashA firmware flash is the process of updating or reinstalling the low-level software (firmware) that controls a device’s…
firmware update failureA firmware update failure occurs when a device, such as a smartphone, router, or smart home gadget, fails…
First-party cookieA first-party cookie is a tracking file placed on your device by the website you are actively using.…
FlatpakFlatpak is a software deployment and package management system for Linux that allows applications to run in isolated…
foistwareFoistware is unwanted software that is installed on a user’s device without their explicit permission, typically hidden within…
formjackingFormjacking is a type of cyberattack where hackers inject malicious code into a website’s payment forms to steal…
fraudulent appA fraudulent app is a malicious software application that mimics legitimate apps to trick users into downloading it.…
Fraudulent emailA fraudulent email is a deceptive message sent to trick recipients into revealing sensitive data, clicking malicious links,…
FreemiumFreemium is a hybrid pricing model that combines free access to basic features with paid upgrades for premium…
Frequency Division Duplex Frequency Division DuplexFrequency Division Duplex (FDD) is a communication technique where separate frequency bands are allocated for uplink (transmitting) and…

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GDPR General Data Protection RegulationThe General Data Protection Regulation (GDPR) is a law that sets rules for how companies collect, store, and…
General Data Protection Regulation General Data Protection RegulationThe General Data Protection Regulation (GDPR) is a strict set of rules introduced by the European Union in…
General Data Protection Regulation (GDPR) General Data Protection RegulationThe General Data Protection Regulation (GDPR) is a comprehensive data privacy law that governs how organizations collect, store,…
Generative adversarial network (GAN) Generative adversarial networkA generative adversarial network (GAN) is an AI model that generates synthetic data, such as images or text,…
Generative AIGenerative AI is a branch of artificial intelligence that uses algorithms to produce new content, such as text,…
generative modelA generative model is an AI system designed to produce new data—such as text, images, or audio—by learning…
geolocationGeolocation is the technology that determines the physical location of a device (like a smartphone or laptop) using…
GeotrackingGeotracking is the collection and analysis of location data from devices like smartphones, wearables, or vehicles. It uses…
global positioning system Global Positioning SystemA global positioning system (GPS) is a satellite-based navigation system that provides real-time location and time information anywhere…
Global Privacy Control Global Privacy ControlGlobal Privacy Control (GPC) is a privacy feature that allows users to signal their preference not to have…
GPU acceleration Graphics Processing UnitGPU acceleration is a method where a graphics processing unit (GPU) handles complex calculations faster than a regular…
GPU driverA GPU driver is a specialized software program that enables your operating system to interact with the graphics…
GPU driver crashA GPU driver crash occurs when the software controlling a graphics card (GPU) fails, leading to visual artifacts,…
GPU overclockingGPU overclocking is the process of increasing the clock speed of a graphics processing unit (GPU) to improve…
GPU passthrough Graphics Processing Unit passthroughGPU passthrough is a virtualization technique that allows a virtual machine (VM) to access a physical graphics processing…
GPU power limitA GPU power limit is a hardware or software setting that restricts the maximum power consumption of a…
GPU temperatureGPU temperature refers to the operating heat of a graphics processing unit (GPU), a critical component in gaming…
GPU underclockingGPU underclocking is the process of manually or automatically reducing the operating frequency of a graphics processing unit…
GPU utilization Graphics Processing Unit utilizationGPU utilization measures the percentage of a graphics processing unit (GPU) that is actively working to render images,…
gradient descentGradient descent is an optimization algorithm used to minimize the error of a machine learning model by iteratively…
Graphics Processing Unit Graphics Processing UnitA GPU (Graphics Processing Unit) is a processor designed to accelerate graphics rendering, making it essential for gaming,…
graywareGrayware refers to programs that aren't traditional malware (like viruses or ransomware) but can still cause problems, such…
Group PolicyGroup Policy is a feature in Windows that allows administrators to manage settings across multiple computers in a…
Group Policy Editor Group Policy EditorThe Group Policy Editor (GPE) is a built-in Windows tool that allows IT administrators to manage and enforce…
GSM Global System for Mobile CommunicationsGSM (Global System for Mobile Communications) is a widely used standard for 2G mobile networks, enabling voice calls,…
guest accountA guest account is a restricted user profile on a device or operating system that allows temporary access…
Guest networkA guest network is a secondary Wi-Fi network created by a router to provide internet access to visitors…

H

Hallucination (AI)An AI hallucination is when a model produces incorrect, fabricated, or nonsensical content that it presents as factual.…
HandoffHandoff is a feature in Apple's ecosystem that allows users to start a task on one device and…
Hard Disk Drive Hard Disk DriveA Hard Disk Drive (HDD) is a non-volatile storage device that uses rotating platters coated with magnetic material…
Hard disk drive (HDD) Hard Disk DriveA hard disk drive (HDD) is a non-volatile storage device that uses magnetic storage to retain data even…
hard drive failureA hard drive failure occurs when a storage device (HDD or SSD) malfunctions, either due to physical damage,…
hardeningHardening is the process of securing a computer system, network, or application by reducing its attack surface. This…
Hardware Abstraction Layer (HAL) Hardware Abstraction LayerThe Hardware Abstraction Layer (HAL) is a software component that acts as a translator between an operating system…
Hardware accelerationHardware acceleration refers to the use of dedicated hardware components to perform specific computing tasks faster than a…
Hardware conflictA hardware conflict occurs when two or more components or drivers in a computer system compete for the…
Hardware diagnosticA hardware diagnostic is a systematic check of a computer or device's physical components, such as the motherboard,…
Hardware diagnostic toolA hardware diagnostic tool is a software or hardware solution designed to test and analyze the physical components…
hashed dataHashed data is information that has been transformed into a fixed-length string of characters using a mathematical algorithm.…
HCS Human-Computer SymbiosisHCS (Human-Computer Symbiosis) is a mobile service designed to optimize call handling, data usage, and app performance on…
heat sinkA heat sink is a passive cooling device made of metal (usually aluminum or copper) designed to absorb…
HFS (hardware failure support) Hardware Failure SupportHFS (Hardware Failure Support) is a technical service that diagnoses and repairs hardware-related issues in computers, such as…
HibernationHibernation is a feature that allows a computer to save its current state to the hard drive or…
hibernation fileA hibernation file is a special system file that stores the current state of your computer's memory (RAM)…
High-Definition Multimedia Interface High-Definition Multimedia InterfaceHDMI (High-Definition Multimedia Interface) is a digital connection standard used to transmit high-definition video and audio signals between…
hijackingHijacking is a cyberattack where hackers seize control of a device, account, or network to steal data, spread…
Home networkA home network is a system that links computers, smartphones, smart TVs, and other devices in your home,…
HomePNA Home Phoneline Networking AllianceHomePNA (Phoneline Networking Alliance) is a standard for creating a home network using existing telephone wiring. It allows…
honey potA honeypot is a fake computer system or network designed to attract cybercriminals, allowing security teams to monitor…
HoneypotA honeypot is a decoy system, application, or data set designed to attract and monitor cybercriminals by mimicking…
honeytokenA honeytoken is a decoy piece of data, such as a fake email address, credit card number, or…
HotspotA hotspot is a wireless access point that allows devices like laptops, tablets, or other smartphones to connect…
Hotspot tetheringHotspot tethering is a feature that turns your smartphone into a portable Wi-Fi router, allowing other devices like…
HSPA High-Speed Packet AccessHSPA (High-Speed Packet Access) is a mobile network technology that significantly boosted 3G speeds, making downloads and browsing…
HTACCESS Hypertext AccessHTACCESS (Hypertext Access) is a plain-text file used on Apache web servers to manage access, redirects, and other…
HTTP/2 Hypertext Transfer Protocol version 2HTTP/2 is the second major version of the Hypertext Transfer Protocol (HTTP), designed to improve web performance by…
HTTP/3 Hypertext Transfer Protocol version 3HTTP/3 is the latest version of the Hypertext Transfer Protocol (HTTP), designed to improve web performance and reliability.…
HTTPS Hypertext Transfer Protocol SecureHTTPS (Hypertext Transfer Protocol Secure) is a protocol that ensures secure communication over the internet. It uses encryption…
HTTPS redirection Hypertext Transfer Protocol SecureHTTPS redirection automatically sends visitors from an unsecured HTTP connection to a secure HTTPS one, encrypting all data…
Hyper-V Hyper-VHyper-V is a native hypervisor developed by Microsoft, allowing users to create and manage virtual machines (VMs) on…
Hyperparameter tuningHyperparameter tuning is the process of optimizing the settings (hyperparameters) that control how an AI model learns, such…
hypertext transfer protocol hypertext transfer protocolThe hypertext transfer protocol (HTTP) is the foundation of data communication on the web. It defines how messages…
Hyperthreading Simultaneous Multithreading (SMT)Hyperthreading is a feature in modern processors that allows a single physical core to act as two virtual…

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ICF (Integrated Computer Fix) Integrated Computer FixICF, or Integrated Computer Fix, is a software tool designed to diagnose and resolve common computer problems, such…
identity theftIdentity theft occurs when a criminal obtains and misuses your personal data—such as your name, Social Security number,…
image generationImage generation refers to the process where AI models create visual content based on text prompts, existing images,…
IMAP (Internet Message Access Protocol) Internet Message Access ProtocolIMAP (Internet Message Access Protocol) is a standard protocol used for retrieving and managing email messages from a…
IMEI International Mobile Equipment IdentityThe IMEI (International Mobile Equipment Identity) is a unique 15-digit code assigned to every mobile device, helping carriers…
Impersonation scamAn impersonation scam is a type of fraud where criminals pose as a trusted entity—such as a bank,…
implicit consentImplicit consent is when a user’s agreement to data processing is inferred from their actions rather than an…
in-app purchase (IAP) in-app purchaseAn in-app purchase (IAP) is a transaction that allows users to buy digital content, services, or subscriptions directly…
in-context learningIn-context learning is a technique where AI models, especially large language models, use examples or prompts provided in…
Incident ResponseIncident Response (IR) is a structured approach to handling security breaches, such as malware attacks, data leaks, or…
inference costInference cost refers to the computational resources required to process an AI model's input and produce an output,…
Inference latencyInference latency is the delay between when an AI system processes an input (like a text prompt or…
Inference timeInference time is the delay between when an AI model receives input (like a text prompt or image)…
information security policy information security policyAn information security policy (ISP) is a formal document outlining how an organization handles, protects, and manages sensitive…
informed consentInformed consent is a legal and ethical principle requiring individuals to agree to the collection, use, or sharing…
infrared infraredInfrared (IR) is a spectrum of light with wavelengths longer than visible light but shorter than microwaves. It’s…
Input deviceAn input device is any hardware that allows a user to interact with a computer by sending data…
Input Method Editor Input Method EditorAn Input Method Editor (IME) is a software component that allows users to enter text in various languages…
insecure direct object reference insecure direct object referenceAn insecure direct object reference (IDOR) is a cybersecurity vulnerability where an application fails to properly validate user…
Insecure Wi-FiInsecure Wi-Fi refers to a wireless network that does not use encryption or strong authentication, leaving it vulnerable…
insider threatAn insider threat is a potential security risk that comes from within an organization, typically involving employees, contractors,…
instruction tuningInstruction tuning is a technique used to adapt large language models (LLMs) to follow precise user commands. Unlike…
Integrated Development Environment Integrated Development EnvironmentAn Integrated Development Environment (IDE) is a software application that provides comprehensive tools for software development, including a…
Integrated graphicsIntegrated graphics refers to a graphics processing unit (GPU) that is embedded within the central processing unit (CPU)…
Intelligent Platform Management Interface Intelligent Platform Management InterfaceIPMI (Intelligent Platform Management Interface) is a standardized protocol for managing and monitoring computer hardware, especially in servers.…
International Mobile Subscriber Identity International Mobile Subscriber IdentityThe IMSI (International Mobile Subscriber Identity) is a unique 15-digit number assigned to every SIM card, linking it…
Internet of Things Internet of ThingsThe Internet of Things (IoT) refers to a system of interconnected physical devices embedded with sensors, software, and…
Internet outageAn Internet outage occurs when a user loses access to the internet due to a failure in the…
internet protocol Internet ProtocolInternet Protocol (IP) is a system that defines how data is sent and received across networks. It assigns…
internet service provider internet service providerAn internet service provider (ISP) is a company that delivers internet connectivity to consumers and organizations. ISPs can…
Internet Service Provider (ISP) Internet Service ProviderAn Internet Service Provider (ISP) is a company that delivers internet access to homes, businesses, and mobile devices.…
intrusion detection system intrusion detection systemAn intrusion detection system (IDS) is a software or hardware tool that scans network traffic for signs of…
Intrusion Detection System (IDS) Intrusion Detection SystemAn Intrusion Detection System (IDS) is a security tool that scans networks or systems for malicious activities, such…
IP address Internet ProtocolAn IP (Internet Protocol) address is a numerical label assigned to each device connected to a computer network…
IP anonymizationIP anonymization is the process of masking or removing parts of an IP address to prevent it from…
IPS In-Plane SwitchingIPS (In-Plane Switching) is a type of LCD display technology known for its wide viewing angles, vibrant colors,…
IPv4 and IPv6 Internet Protocol version 4 / Internet Protocol version 6IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6) are protocols that assign unique addresses to…
IPv4 exhaustion Internet Protocol version 4IPv4 exhaustion refers to the depletion of the original pool of IPv4 addresses, which are 32-bit numbers used…
IPv6 Internet Protocol version 6IPv6 (Internet Protocol version 6) is the successor to IPv4, the foundational protocol for routing data across the…
IPv6 address Internet Protocol version 6An IPv6 address is a unique identifier for devices on the internet, replacing the older IPv4 system. It…
IRQ Interrupt RequestAn IRQ (Interrupt Request) is a hardware signal sent to the CPU by a device to request immediate…
iSCSI Internet Small Computer System InterfaceiSCSI (Internet Small Computer System Interface) is a protocol that allows computers to access storage devices over a…
ISO standard International Organization for StandardizationISO (International Organization for Standardization) standards are globally recognized guidelines that define best practices for technology, safety, and…
ITSM Information Technology Service ManagementITSM (IT Service Management) is a framework for delivering and managing IT services to meet business needs. It…

J

Jailbreak (AI)Jailbreaking an AI model means removing its safety filters and limitations, allowing it to generate unrestricted content, including…
JitterJitter is a variation in the delay of received packets in a data stream. It happens when packets…
JPEG Joint Photographic Experts GroupJPEG (Joint Photographic Experts Group) is a standard file format for digital images, especially photos. It uses lossy…

K

Kernel Extensions (KEXT) Kernel ExtensionKernel extensions (KEXTs) are specialized software components that extend the functionality of an operating system's kernel, the core…
Kernel panic recovery kernel panicKernel panic recovery is a process to restore a computer after a critical system failure, often caused by…
Keyboard, Video, Mouse switch Keyboard, Video, MouseA KVM (Keyboard, Video, Mouse) switch is a hardware device that allows a user to control multiple computers…
keyloggerA keylogger is a type of surveillance software or hardware that captures and stores every keystroke made on…

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LAMP stack Linux, Apache, MySQL, PHPA LAMP stack is a free, open-source software bundle used to build and host dynamic websites. It consists…
Large language model (LLM) Large language modelA large language model (LLM) is an AI system trained on massive datasets to predict and generate text,…
Last Known Good Configuration Last Known Good ConfigurationThe Last Known Good Configuration (LKGC) is a Windows recovery feature that reverts your system to a stable…
LatencyLatency is the time it takes for data to travel from its source to its destination. In networking,…
latent diffusion model latent diffusion modelA latent diffusion model (LDM) is a generative AI technique that produces high-quality images by reversing a controlled…
Latent spaceLatent space is an abstract, multi-dimensional representation where AI models store compressed versions of learned data. Instead of…
latent variableA latent variable is an unobservable factor that explains patterns in visible data, like a hidden lever controlling…
LaunchpadA Launchpad is a user-friendly interface in macOS that organizes and launches applications in a grid-like layout, similar…
layer normalizationLayer normalization is a method used in artificial intelligence to standardize the inputs of each layer in a…
LCD (Liquid Crystal Display) Liquid Crystal DisplayAn LCD (Liquid Crystal Display) is a type of flat-panel display that uses liquid crystals to produce images.…
Legacy boot modeLegacy boot mode is a startup setting that allows computers to use older boot methods, such as BIOS,…
Legitimate interest GDPR (General Data Protection Regulation) / RGPD (Règlement Général sur la Protection des Données) / RGPD (Reglamento General de Protección de Datos) / DSGVO (Datenschutz-Grundverordnung)Legitimate interest is a legal basis under the GDPR (General Data Protection Regulation) that allows companies to process…
light-emitting diode light-emitting diodeAn LED (light-emitting diode) is a semiconductor device that emits light when an electric current flows through it.…
Lithium-ion batteryA lithium-ion battery (Li-ion) is a type of rechargeable battery that relies on the movement of lithium ions…
LLaMA Large Language Model Meta AILLaMA (Large Language Model Meta AI) is an open-source AI model designed to process and generate text based…
Load balancerA load balancer is a system that evenly spreads incoming web traffic across multiple servers to improve performance…
Load balancingLoad balancing is a technique that spreads incoming network traffic across multiple servers to ensure no single server…
local accountA local account is a user profile stored directly on a device, such as a computer or smartphone,…
local area network local area networkA local area network (LAN) is a network that links computers and devices within a limited area, such…
Local Area Network (LAN) Local Area NetworkA LAN (Local Area Network) is a group of connected devices—such as computers, printers, and smartphones—that share resources…
Local Security Policy Local Security PolicyThe Local Security Policy (LSP) is a system setting that defines security rules for a computer, such as…
Location trackingLocation tracking is the process of determining and recording the real-time or historical position of a device, vehicle,…
location-based service location-based serviceA location-based service (LBS) is a digital tool that uses your device's GPS, Wi-Fi, or cell tower data…
log analysisLog analysis is the process of examining logs—records of system events—to diagnose issues like crashes, slow performance, or…
LoRA (low-rank adaptation) low-rank adaptationLoRA (low-rank adaptation) is a method that modifies large AI models, like those used for text or image…
loss functionA loss function is a mathematical formula that quantifies the difference between a model's predictions and the actual…
Low-Rank Adaptation Low-Rank AdaptationLow-Rank Adaptation (LoRA) is a method that adjusts large AI models by modifying only a small subset of…
LTE Long-Term EvolutionLTE (Long-Term Evolution) is a 4G wireless broadband standard that provides high-speed internet access for mobile devices. It…
LTE-Advanced Long-Term Evolution AdvancedLTE-Advanced (LTE-A) is an enhanced version of 4G LTE (Long-Term Evolution) technology, designed to deliver significantly faster download…

M

M.2 slot M.2An M.2 slot is a compact interface used in laptops and desktops to connect SSDs, Wi-Fi cards, and…
MAC address Media Access ControlA MAC (Media Access Control) address is a hardware identifier assigned to network interfaces, like Wi-Fi or Ethernet…
MAC address filtering Media Access ControlMAC address filtering is a network security method that checks the Media Access Control (MAC) address of a…
machine-to-machine communication machine-to-machineMachine-to-machine (M2M) communication is a technology that allows devices to exchange data automatically, without human intervention. It relies…
malicious appA malicious app is a software application that appears legitimate but is designed to harm users, such as…
malicious linkA malicious link is a deceptive URL designed to infect your device, steal personal information, or redirect you…
malvertisingMalvertising is a cyberattack that spreads malware through malicious online advertisements. Unlike phishing, which relies on tricking users…
malwareMalware is a broad term for malicious software, including viruses, ransomware, spyware, and trojans, that disrupts, damages, or…
Malware analysisMalware analysis is the examination of harmful software (viruses, ransomware, spyware, etc.) to identify its behavior, origin, and…
MAMP Mac, Apache, MySQL, PHP/Python/PerlMAMP (Mac, Apache, MySQL, PHP/Python/Perl) is a free, easy-to-install software stack that lets you run a local web…
Man-in-the-Middle (MITM) Man-in-the-MiddleA Man-in-the-Middle (MITM) attack occurs when a cybercriminal positions themselves between two communicating parties—such as a user and…
man-in-the-middle (MITM) attack man-in-the-middleA man-in-the-middle (MITM) attack is a cybersecurity threat where an attacker secretly intercepts and possibly alters the communication…
man-in-the-middle attack man-in-the-middleA man-in-the-middle (MITM) attack occurs when a cybercriminal inserts themselves into a digital conversation, pretending to be one…
Manufacturer Part Number (MPN) Manufacturer Part NumberThe MPN is a unique alphanumeric code assigned by a manufacturer to identify a specific part or product.…
Master Boot Record Master Boot RecordThe Master Boot Record (MBR) is a special area at the very beginning of a storage device (like…
Media Transfer Protocol Media Transfer ProtocolMedia Transfer Protocol (MTP) is a standard for transferring files between a computer and an Android device, replacing…
Memory bandwidthMemory bandwidth refers to the rate at which data can be read from or written to a memory…
Memory diagnostic toolA memory diagnostic tool is a software utility designed to test the integrity and functionality of a computer's…
Memory dumpA memory dump is a file containing the contents of a computer's memory (RAM) at a specific moment,…
Memory dump analysisMemory dump analysis is a diagnostic technique used to investigate system crashes or freezes by examining a saved…
Memory fragmentationMemory fragmentation occurs when a system's RAM or storage is divided into non-contiguous blocks, making it harder to…
Memory latencyMemory latency refers to the delay between a processor requesting data from memory and receiving it. It is…
Memory leakA memory leak occurs when a computer program allocates memory but fails to deallocate it when no longer…
Memory Module Card Memory Module CardA Memory Module Card (MMC) is a type of flash memory card used for data storage in older…
Memory testA memory test is a diagnostic procedure that scans your computer's random access memory (RAM) for faults, such…
Mesh networkA mesh network is a system where multiple devices (nodes) work together to extend and stabilize a Wi-Fi…
Meta tagsMeta tags are snippets of text that describe a webpage’s content. They don’t appear on the page itself…
metadataMetadata is data that describes other data. For example, a digital photo's metadata might include the camera model,…
microphone accessMicrophone access refers to the ability of an application or software to use a device’s built-in microphone to…
MIME type Multipurpose Internet Mail ExtensionsA MIME type (Multipurpose Internet Mail Extensions type) is a standard identifier that specifies the format of a…
MIMO Multiple Input Multiple OutputMIMO (Multiple Input Multiple Output) is a wireless communication technique that uses multiple antennas at both the transmitter…
mitigationMitigation refers to actions taken to lessen the impact of a security threat, such as a phishing attack,…
Mobile hotspotA mobile hotspot is a feature or device that turns a smartphone, tablet, or dedicated hardware into a…
Mobile Network Operator (MNO) Mobile Network OperatorA Mobile Network Operator (MNO) is a telecommunications company that owns and operates the infrastructure needed to provide…
mobile paymentMobile payment is a digital transaction method that lets users pay for goods or services via their smartphones,…
Mobile-first indexingMobile-first indexing means Google uses the mobile version of a website to evaluate its content, relevance, and performance…
model cardA model card is a standardized document that describes an AI model’s capabilities, limitations, ethical considerations, and potential…
model cardinalityModel cardinality refers to the variety of AI models a platform or service can access simultaneously. This includes…
Model driftModel drift is the gradual degradation of an AI model's accuracy as the data it was trained on…
model fine-tuningModel fine-tuning is the process of taking a pre-trained artificial intelligence model—like a language or image generator—and tweaking…
model fusionModel fusion is a technique that merges outputs from different AI models to create a more powerful or…
Model interpretabilityModel interpretability refers to the clarity with which an artificial intelligence system's decisions can be explained. Unlike a…
Model mergingModel merging is a technique that blends two or more AI models—such as language, image, or decision-making models—into…
Model pruningModel pruning is a process that trims down an AI model by removing less important neurons, weights, or…
Model quantizationModel quantization is a process that reduces the precision of the numerical values in an AI model, typically…
Model servingModel serving is the deployment of a trained AI model—such as a language or image generator—so users can…
Model trainingModel training is the process of feeding data into an AI model so it can learn to perform…
Monthly Active Users (MAU) Monthly Active UsersMonthly Active Users (MAU) is a key metric in digital analytics, measuring how many distinct individuals engage with…
MotherboardThe motherboard is the central hub of a computer, linking the CPU, RAM, storage, and other peripherals. It…
MTBF Mean Time Between FailuresMTBF (Mean Time Between Failures) is a reliability metric that estimates the average time a device or system…
Multi-edge computing Multi-access edge computingMulti-edge computing (MEC) is a system that brings cloud computing capabilities closer to the end-user, typically at the…
multi-factor authentication (MFA) multi-factor authenticationMulti-factor authentication (MFA) is a security process that verifies a user’s identity through multiple independent factors, such as…
multifactor authentication multi-factor authenticationMultifactor authentication (MFA) is a security process that verifies a user’s identity by requiring multiple forms of identification.…
Multimedia Messaging Service Multimedia Messaging ServiceMMS (Multimedia Messaging Service) is a mobile messaging service that allows users to send and receive multimedia content,…
Multimodal AIMultimodal AI is a type of artificial intelligence that processes and integrates information from multiple sources, such as…
Multiple-Input Multiple-Output (MIMO) Multiple-Input Multiple-OutputMIMO (Multiple-Input Multiple-Output) is a wireless communication technique that uses multiple antennas at both the transmitter and receiver…
MVNO Mobile Virtual Network OperatorAn MVNO (Mobile Virtual Network Operator) is a company that offers mobile phone services without owning the physical…

N

negative promptA negative prompt is a list of keywords or phrases that guide an AI model to exclude specific…
Network address translation (NAT) Network Address TranslationNetwork address translation (NAT) is a method used by routers to map multiple private IP addresses to a…
network congestionNetwork congestion happens when a network is overwhelmed by too much data traffic, causing delays and slower speeds.…
Network interface card (NIC) Network Interface CardA network interface card (NIC) is a hardware component that enables a computer or other device to connect…
network intrusionA network intrusion is an unauthorized access to a computer network, often by cybercriminals aiming to steal sensitive…
Network latencyNetwork latency is the delay between sending a data packet and receiving a response. It’s measured in milliseconds…
Network ProfileA network profile stores connection details like SSID, password, and security type for a Wi-Fi network or mobile…
Network SecurityNetwork security refers to the practices and technologies used to safeguard computer networks from unauthorized access, attacks, and…
Network segmentationNetwork segmentation is the practice of dividing a network into distinct zones to control data flow and access.…
Network switchA network switch is a hardware device that connects multiple devices within a local area network (LAN) and…
network trafficNetwork traffic refers to the amount of data transmitted over a network at any given time. It includes…
Neural networkA neural network is a type of artificial intelligence model inspired by the structure of biological neurons. It…
NFR (No-Fault Return) No-Fault ReturnNFR (No-Fault Return) is a consumer-friendly policy allowing returns of electronic devices or accessories without requiring a specific…
Non-Volatile Memory Express Non-Volatile Memory ExpressNVMe (Non-Volatile Memory Express) is a high-performance protocol designed for SSDs (solid-state drives) to communicate with a computer's…
NTFS New Technology File SystemNTFS (New Technology File System) is a file system developed by Microsoft for Windows operating systems. It replaced…
NTFS corruption New Technology File SystemNTFS (New Technology File System) corruption occurs when the file system on a Windows drive becomes damaged, making…
NTFS file system New Technology File SystemNTFS (New Technology File System) is a file system developed by Microsoft for Windows operating systems. It replaces…
NTFS permissions New Technology File SystemNTFS (New Technology File System) permissions are security settings that determine user access to files and folders on…
NTFS repair New Technology File SystemNTFS (New Technology File System) repair is the process of diagnosing and fixing corruption in the NTFS file…
NVMe Non-Volatile Memory ExpressNVMe (Non-Volatile Memory Express) is a high-speed interface protocol designed for solid-state drives (SSDs). Unlike older interfaces like…

O

OAuth Open AuthorizationOAuth (Open Authorization) is an open standard for granting limited access to user data without exposing passwords. It’s…
Offline FilesOffline Files are documents, images, or other data stored locally on a device so they can be accessed…
offline modeOffline mode is a feature that allows applications or devices to function without an active internet connection. This…
On-The-Go On-The-GoOn-The-Go (OTG) is a technology that allows a mobile device to act as a host, enabling it to…
one-time password one-time passwordA one-time password (OTP) is a temporary, single-use code generated for secure access to an account or system.…
One-time password (OTP) One-time passwordA one-time password (OTP) is a unique, temporary code generated for a single login session. It is typically…
Onion Router (Tor) The Onion RouterThe Onion Router (Tor) is a free, open-source network designed to anonymize internet traffic by routing it through…
operating system operating systemAn operating system (OS) is the core software that controls a computer’s hardware and provides services to applications.…
opt-inOpt-in is a consent mechanism where users must actively agree to something—like data sharing—before it happens. Unlike opt-out,…
Optical Character Recognition Optical Character RecognitionOptical Character Recognition (OCR) is a software tool that converts images of text—like scanned documents or photos—into digital,…
Optical Disc Drive Optical Disc DriveAn Optical Disc Drive (ODD) is a hardware component that uses a laser to read or write data…
OTA update Over-the-AirAn OTA (Over-the-Air) update is a remote software update delivered wirelessly to smartphones, tablets, and other connected devices.…
Output deviceAn output device is any hardware component that receives data from a computer and presents it in a…
Over-the-air Over-the-airOver-the-air (OTA) refers to the wireless delivery of data, software updates, or configuration changes to mobile devices, smart…
over-the-top over-the-topOver-the-top (OTT) refers to services delivered over the internet, bypassing traditional telecom networks. Examples include Netflix, Zoom, or…
Over-the-top (OTT) Over-the-topOver-the-top (OTT) refers to content and services delivered directly to users over the internet, bypassing traditional telecom operators.…
OverfittingOverfitting occurs when a machine learning model becomes overly complex, capturing noise and outliers in its training data…
OverheatingOverheating occurs when a device, like a CPU, GPU, or battery, generates more heat than it can dissipate,…

P

Package ManagerA package manager is a system tool that automates the process of installing, updating, and removing software packages…
Packet lossPacket loss occurs when data transmitted over a network fails to arrive at its destination. This happens due…
Partition alignmentPartition alignment is the process of ensuring that file system partitions are correctly aligned with the physical sectors…
partition resizingPartition resizing is the process of adjusting the boundaries of a storage partition on a disk, either to…
partition tableA partition table is a data structure stored on a storage device (like a hard drive or SSD)…
Password crackingPassword cracking is the process of recovering or guessing passwords to gain unauthorized access to systems, accounts, or…
Password hashA password hash is a one-way mathematical function that transforms a password into a fixed-length string of characters,…
password hashingPassword hashing is a security technique that transforms plain-text passwords into scrambled, fixed-length strings of characters using a…
password managerA password manager is a software application that generates, stores, and retrieves complex passwords for you, so you…
PCIe Peripheral Component Interconnect ExpressPCIe (Peripheral Component Interconnect Express) is a high-speed interface standard used in computers and some mobile devices to…
PCIe slot Peripheral Component Interconnect ExpressA PCIe (Peripheral Component Interconnect Express) slot is a standardized interface on a computer motherboard that allows for…
peer-to-peer peer-to-peerPeer-to-peer (P2P) is a decentralized networking model where devices communicate directly with each other, sharing resources like files,…
Peripheral conflictPeripheral conflict occurs when multiple hardware components (like a keyboard, mouse, or external drive) compete for the same…
Peripheral deviceA peripheral device is any external hardware that provides input or output for a computer, expanding its capabilities…
peripheral driverA peripheral driver is a small program that enables your operating system to recognize and control hardware devices…
peripheral hotplugPeripheral hotplug is the ability to add or remove external devices (like USB drives, monitors, or keyboards) without…
peripheral power managementPeripheral power management is a feature in computers and other devices that regulates power consumption of connected peripherals,…
Personal Area Network Personal Area NetworkA Personal Area Network (PAN) is a small, wireless network that connects devices within a few meters, typically…
personal dataPersonal data includes any information that can identify you, such as your name, email, browsing history, or even…
Personal data breachA personal data breach happens when sensitive information is accidentally or deliberately accessed, disclosed, altered, or destroyed without…
Personal data processingPersonal data processing refers to any action taken on personal data, such as collecting, storing, analyzing, or sharing…
personally identifiable information (PII) personally identifiable informationPersonally identifiable information (PII) includes any data that can be used to identify, contact, or locate a person,…
PIN code Personal Identification NumberA PIN (Personal Identification Number) is a numerical code, typically 4 to 6 digits, used to authenticate access…
Port forwardingPort forwarding is a network configuration that redirects incoming traffic from a specific port on your router to…
Portable appA portable app is a software application designed to run on multiple devices without requiring installation. Unlike traditional…
Power bankA power bank is a compact, rechargeable battery pack that stores electrical energy to charge smartphones, tablets, and…
Power cycleA power cycle is the process of fully shutting down a device and then restarting it to resolve…
Power deliveryPower delivery refers to the system that supplies electrical power to a device's components, such as the CPU,…
Power managementPower management is the process of regulating how much power a device or system consumes to optimize performance…
Power planA power plan is a predefined configuration in an operating system that adjusts hardware performance, cooling, and power…
Power stateA power state defines how a device or component consumes energy, balancing performance and efficiency. For example, a…
Power supply testA power supply test is a diagnostic procedure to verify that a device's power supply unit (PSU) is…
Power supply unit (PSU) Power Supply UnitA power supply unit (PSU) is an essential component in computers and electronic devices that converts alternating current…
Power-on self-test (POST) Power-on self-testThe power-on self-test (POST) is a diagnostic routine that runs automatically when a computer is powered on. It…
Powerline adapterA powerline adapter is a networking device that uses your home's electrical wiring to transmit internet data, allowing…
Powerline networkingPowerline networking is a technology that turns your home's electrical wiring into a data network, allowing internet signals…
PowerShell Power ShellPowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and scripting…
Print SpoolerA print spooler is a software component that temporarily stores print jobs in a queue before sending them…
privacy by designPrivacy by design is an approach that embeds data protection into the development of products, systems, and business…
privacy policyA privacy policy is a legal document that outlines how an organization collects, uses, stores, and shares personal…
Privacy-enhancing technologies (PETs) Privacy-enhancing technologiesPrivacy-enhancing technologies (PETs) are software, protocols, or hardware designed to minimize personal data exposure while maintaining functionality. They…
private keyA private key is a unique, secret code used in cryptography to decrypt data or prove digital identity.…
privilege escalationPrivilege escalation is a security exploit where an attacker gains unauthorized access to higher-level permissions in a system,…
prompt engineeringPrompt engineering is the practice of designing and refining inputs (prompts) to guide AI models, like large language…
prompt tuningPrompt tuning is a method that fine-tunes AI language models by modifying the input prompts rather than altering…
proxyA proxy is an intermediary server that acts as a gateway between your device and the internet. When…
PseudonymizationPseudonymization is a data protection technique that replaces personal identifiers (like names or email addresses) with artificial codes,…
public IP address Internet Protocol addressA public IP address is a unique numerical label assigned to a device connected to the internet, allowing…
public keyA public key is a cryptographic key that can be shared openly. It works with a private key…
public key infrastructure public key infrastructurePublic Key Infrastructure (PKI) is a framework for creating and managing digital certificates that verify identities and encrypt…
Public Switched Telephone Network (PSTN) Public Switched Telephone NetworkThe Public Switched Telephone Network (PSTN) is the global network of copper wires, fiber optics, and switching centers…
Public Wi-FiPublic Wi-Fi refers to wireless internet access provided in public spaces, such as coffee shops, airports, libraries, and…
publicly available personal information publicly available personal informationPublicly available personal information (PAPII) refers to data about individuals that is accessible to the general public without…
PUK code Personal Unblocking KeyA PUK (Personal Unblocking Key) code is a unique 8-digit number provided by your mobile carrier to restore…
Push notificationA push notification is an alert sent by an app to a user's device, typically appearing as a…

Q

Quality of Service Quality of ServiceQuality of Service (QoS) is a set of rules that prioritizes certain types of data over others on…
Quality of Service (QoS) Quality of ServiceQuality of Service (QoS) is a set of rules that networks use to prioritize certain types of internet…
Quick LookQuick Look is a system feature that allows users to preview files—like documents, images, or videos—without launching the…
QWERTY layout Quick-Write-Easy-Rapid-Type-YourThe QWERTY layout is a standard keyboard design where the first six letters on the top row are…

R

radio access network radio access networkA radio access network (RAN) is the part of a mobile network that links devices like smartphones to…
RAID Redundant Array of Independent DisksRAID (Redundant Array of Independent Disks) is a data storage technology that links multiple hard drives into a…
RAID array Redundant Array of Independent DisksA RAID (Redundant Array of Independent Disks) array is a storage system that combines multiple hard drives into…
RAM (Random Access Memory) Random Access MemoryRAM (Random Access Memory) is a type of volatile memory that temporarily stores data your computer is actively…
RAM module Random Access MemoryA RAM (Random Access Memory) module is a physical component that stores temporary data your computer needs to…
ransomware attackA ransomware attack is a type of cybercrime where malicious software encrypts a victim's files, making them inaccessible…
Received Signal Strength Indicator Received Signal Strength IndicatorThe Received Signal Strength Indicator (RSSI) is a metric that quantifies the power level of a received radio…
Recovery modeRecovery mode is a diagnostic and repair tool built into many devices, from smartphones to computers. When a…
Recovery PartitionA recovery partition is a dedicated section of a storage drive that contains tools and files to restore…
RedirectA redirect is a way to send users and search engines from one URL to another. It’s used…
Redirect chainA redirect chain occurs when a website sends a visitor through multiple redirects before they land on the…
redirect loopA redirect loop is a technical error where a web page is configured to redirect to another page,…
Registry (Windows)The Windows Registry is a hierarchical database that stores low-level settings for the operating system, hardware, and installed…
Registry backup registryA registry backup is a saved copy of the Windows registry, a critical database that stores system and…
Registry hive corruption registry hive corruptionRegistry hive corruption occurs when critical Windows Registry files become damaged or unreadable, often due to improper shutdowns,…
Registry repair registryRegistry repair is the process of identifying and correcting errors in the Windows registry, a database that stores…
reinforcement learning reinforcement learningReinforcement learning (RL) is a machine learning technique where an AI agent learns to make decisions by interacting…
reinforcement learning from human feedback reinforcement learning from human feedbackReinforcement learning from human feedback (RLHF) is a technique that fine-tunes AI models, like chatbots or image generators,…
remote access trojan remote access trojanA remote access trojan (RAT) is a type of malware that secretly installs itself on a device, giving…
remote access trojan (RAT) remote access trojanA remote access trojan (RAT) is a type of malware that secretly installs on a device, giving cybercriminals…
Remote Desktop Protocol Remote Desktop ProtocolRemote Desktop Protocol (RDP) is a proprietary protocol developed by Microsoft that allows users to remotely access and…
Retrieval-augmented generation retrieval-augmented generationRetrieval-augmented generation (RAG) is a technique that combines a language model with a database of external information. Instead…
Return Merchandise Authorization Return Merchandise AuthorizationAn RMA (Return Merchandise Authorization) is a ticket or code issued by a manufacturer or retailer that allows…
Return on Investment Return on InvestmentReturn on Investment (RoI) is a financial metric that evaluates the efficiency of an investment by comparing the…
RFID Radio-Frequency IdentificationRFID (Radio-Frequency Identification) is a system that uses electromagnetic fields to automatically identify and track tags attached to…
Rich Communication Services Rich Communication ServicesRich Communication Services (RCS) is an advanced messaging protocol designed to enhance traditional SMS with features like read…
right to accessThe right to access is a fundamental principle in data privacy laws like the GDPR, allowing individuals to…
right to be forgottenThe right to be forgotten is a data protection principle that allows individuals to request the deletion of…
right to erasureThe right to erasure, also called the ‘right to be forgotten,’ is a privacy right that lets individuals…
Right to object GDPR (General Data Protection Regulation)The right to object lets you stop a company from using your personal data for direct marketing, profiling,…
Right to portabilityThe right to portability allows individuals to obtain their personal data from a service provider in a structured,…
right to rectificationThe right to rectification is a key principle in data protection laws like the GDPR, ensuring individuals can…
right to restrictionThe right to restriction is a key privacy protection under the GDPR, allowing individuals to request that a…
Right to restriction of processingThe right to restriction of processing is a GDPR provision that allows individuals to request that their personal…
Right to withdraw consentThe right to withdraw consent is a key principle under the General Data Protection Regulation (GDPR), allowing individuals…
robots.txt robots exclusion protocolRobots.txt is a simple text file placed in a website’s root directory to instruct web crawlers (like Googlebot)…
Root (Linux/macOS)In Linux and macOS, the root account is the superuser with unrestricted access to all files, settings, and…
RouterA router is a networking device that directs data packets between computer networks, typically connecting a local network…
RSS feed Really Simple SyndicationRSS (Really Simple Syndication) is a web feed format that allows users to subscribe to content updates from…

S

Safe BootSafe Boot (also called Safe Mode) is a diagnostic startup mode in operating systems that loads only the…
Safe modeSafe mode is a minimal operating state for computers, smartphones, and other devices that disables non-critical software and…
Safe mode troubleshootingSafe mode is a diagnostic startup mode in operating systems that loads only essential drivers and services, bypassing…
Safe mode with command promptSafe mode with command prompt is a diagnostic startup option in Windows that loads the operating system with…
Safe mode with networkingSafe mode with networking is a diagnostic startup option in Windows that limits system functionality to core components…
SATA Serial ATASATA (Serial ATA) is a widely used interface for connecting storage devices, such as hard drives and SSDs,…
SATA port Serial ATAA SATA (Serial ATA) port is a standardized interface used to connect storage devices such as hard disk…
scamA scam is a fraudulent scheme designed to deceive people into giving away money, personal information, or access…
scarewareScareware is a type of malicious software that pretends to be legitimate antivirus or security software. It displays…
Search Engine Optimization (SEO) Search Engine OptimizationSEO (Search Engine Optimization) is the practice of improving a website’s visibility in search engines like Google. It…
Secure bootSecure boot is a security mechanism that ensures only trusted software runs during a device's startup process. It…
secure browsingSecure browsing refers to using the internet in a way that protects your privacy and data from unauthorized…
secure cookieA secure cookie is a type of web cookie that is encrypted and can only be transmitted over…
Secure Shell Secure ShellSSH (Secure Shell) is a network protocol that allows encrypted communication between two devices, typically used for remote…
security auditA security audit is a thorough review of a company's or individual's digital security measures to identify weaknesses…
Security breachA security breach occurs when unauthorized individuals gain access to a computer system, network, or database, often to…
Security patchA security patch is a small update applied to software to fix security flaws that could be exploited…
Security tokenA security token is a hardware or software device that authenticates a user’s identity for secure access to…
Self-attentionSelf-attention is a core mechanism in modern AI models, especially large language models, that helps them weigh the…
Self-supervised learningSelf-supervised learning is a machine learning technique where models train on unlabeled data by generating their own labels…
sensitive personal data (SPD) sensitive personal dataSensitive personal data (SPD) includes information that reveals race, religion, health, sexual orientation, or biometric data. Unlike basic…
Serial ATA Serial AT AttachmentSerial ATA (SATA) is a standard interface for connecting storage devices such as hard drives and solid-state drives…
Service Host service hostA Service Host (svchost) is a container process in Windows that groups multiple system services to improve efficiency…
session cookieA session cookie is a small text file that a website stores on your device to remember your…
Shift keyThe Shift key is a standard key on computer keyboards and mobile devices that alters the output of…
Short Message Service Short Message ServiceSMS (Short Message Service) is a text messaging service that allows users to send short written messages (typically…
shoulder surfingShoulder surfing is a form of social engineering where an attacker observes you entering sensitive information, such as…
Signal-to-Noise Ratio Signal-to-Noise RatioThe Signal-to-Noise Ratio (SNR) is a metric that compares the strength of a desired signal to the level…
SIM card Subscriber Identity ModuleA SIM (Subscriber Identity Module) card is a small, removable chip that stores your phone number, contacts, and…
SIM lockA SIM lock is a technical restriction imposed by mobile carriers or manufacturers that prevents a phone from…
SIM swapA SIM swap is the process of moving a mobile phone number from one SIM card to another.…
Sleep Image hiberfil.sysA Sleep Image is a snapshot of your system's memory and open applications, saved to disk when your…
Sleep modeSleep mode is a low-power state that computers and devices enter when idle, preserving data in memory while…
Sleep stateSleep state is a power-saving mode in electronic devices, particularly computers and smartphones, where non-essential components are turned…
Small and Medium Business Small and Medium BusinessSMB (Small and Medium Business) refers to companies with a limited number of employees, typically ranging from 1…
Small Computer System Interface Small Computer System InterfaceSCSI (Small Computer System Interface) is a parallel interface standard used to connect computers to peripheral devices, primarily…
SME small and medium-sized enterpriseAn SME (small or medium-sized enterprise) is a business with fewer than 250 employees, typically using mobile technology…
smishing SMS phishingSmishing is a type of phishing attack that uses SMS (text) messages to deceive victims. Unlike email phishing,…
SMS Short Message ServiceSMS (Short Message Service) is a text messaging service that allows users to send short text messages (typically…
SMTP Simple Mail Transfer ProtocolSMTP (Simple Mail Transfer Protocol) is a standard protocol used to send emails from one server to another.…
SnapshotA snapshot is a saved version of a file, application, or screen at a given time, often used…
sniffingSniffing is a cyberattack where hackers intercept and analyze data transmitted over a network, often targeting unencrypted communications.…
Software bundleA software bundle is a collection of applications, tools, or services grouped together and sold as a single…
Solid State Drive Solid State DriveA Solid State Drive (SSD) is a type of storage device that uses flash memory to store data,…
Solid-state drive (SSD) Solid-State DriveA solid-state drive (SSD) is a type of storage device that stores data on flash memory chips, unlike…
Solid-state hybrid drive (SSHD) Solid-State Hybrid DriveA solid-state hybrid drive (SSHD) is a storage device that merges a traditional hard disk drive (HDD) with…
solid-state storage Solid-State DriveSolid-state storage (SSS) is a data storage technology that uses semiconductor memory (like NAND flash) instead of mechanical…
SPI Single-Pair Power over InternetSPI (Single-Pair Power over Internet) is a wireless charging standard that allows devices to charge at a distance…
SPICE Smart Phone Intelligent Control EnvironmentSPICE (Smart Phone Intelligent Control Environment) is a software solution designed to optimize battery usage, extend phone longevity,…
SpotlightSpotlight is a built-in search feature in macOS and iOS that lets you quickly find files, apps, documents,…
spywareSpyware is a type of malicious software designed to secretly collect and transmit your personal or sensitive information…
SSID Service Set IdentifierThe SSID (Service Set Identifier) is the unique name of a Wi-Fi network that identifies it to nearby…
SSL certificate Secure Sockets LayerAn SSL (Secure Sockets Layer) certificate is a digital certificate that authenticates a website's identity and enables an…
SSL renewal Secure Sockets LayerSSL renewal is the act of extending the validity of an SSL/TLS certificate, which encrypts data between a…
SSL strippingSSL stripping is a cyberattack that forces a website to use an unsecured HTTP connection instead of HTTPS,…
SSL/TLS Secure Sockets Layer / Transport Layer SecuritySSL/TLS (Secure Sockets Layer/Transport Layer Security) is a cryptographic protocol designed to secure data transmitted over the internet.…
Stable diffusionStable diffusion is a type of generative AI model that produces high-quality images from textual prompts. Unlike older…
Standby modeStandby mode is a power-saving state in which a device, such as a computer, TV, or smartphone, reduces…
standby timeStandby time refers to the duration a mobile device can remain in a low-power mode without active use…
Start MenuThe Start Menu is a graphical interface in Microsoft Windows that provides quick access to programs, settings, and…
Startup repairStartup repair is a built-in Windows recovery tool designed to diagnose and fix issues that prevent a computer…
Startup repair failureStartup repair failure occurs when a Windows system encounters a critical error during boot and the built-in recovery…
Static IP Internet ProtocolA static IP (Internet Protocol) address is a permanent numerical identifier assigned to a device or network, unlike…
storage deviceA storage device is a hardware component designed to store, retrieve, and manage digital data. It comes in…
Storage poolA storage pool is a virtualized collection of physical storage devices (like SSDs or HDDs) that are managed…
Storage tieringStorage tiering is a data management strategy that organizes files across different storage types (like SSDs, HDDs, and…
strong passwordA strong password is a complex and unique combination of letters, numbers, and symbols designed to resist hacking…
Subnet subnetworkA subnet (short for 'subnetwork') is a segmented portion of a larger network, defined by a specific range…
Subnet maskA subnet mask is a number that determines how an IP address is divided into a network and…
Supervised learningSupervised learning is a machine learning technique where an algorithm is trained on a labeled dataset, meaning it…
Supervisory authorityA supervisory authority is a public agency responsible for monitoring and enforcing data protection laws, such as the…
suspicious emailA suspicious email is a message that appears unusual, unexpected, or too good to be true, often designed…
System File Checker System File CheckerThe System File Checker (SFC) is a built-in Windows utility designed to scan and restore missing or corrupted…
System File Checker (SFC) System File CheckerThe System File Checker (SFC) is a built-in Windows utility designed to detect and restore corrupted system files…
System ImageA system image is a complete copy of an operating system, including all installed programs, settings, and files,…
System image backupA system image backup captures an exact snapshot of your entire system, including the operating system, applications, settings,…
System image recoverySystem image recovery is a process that reinstalls the operating system, applications, and settings from a saved backup…
System restoreSystem restore is a feature in operating systems like Windows that allows users to undo system changes and…
System Restore PointA System Restore Point is a backup of your operating system's configuration, drivers, and settings at a specific…

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Talk timeTalk time refers to the duration a mobile phone can operate on a single charge while making calls.…
targeted advertisingTargeted advertising is a marketing strategy where ads are personalized to individual users based on their browsing history,…
Task Manager Task ManagerA Task Manager (TM) is a system utility that displays and manages the processes, applications, and system performance…
TCP/IP Transmission Control Protocol/Internet ProtocolTCP/IP (Transmission Control Protocol/Internet Protocol) is the foundation of modern internet communication. It defines how data is split,…
TD-LTE Time Division-Long Term EvolutionTD-LTE (Time Division-Long Term Evolution) is a 4G wireless communication standard designed to deliver high-speed internet access. Unlike…
telemetryTelemetry refers to the automated recording and transmission of data from devices—such as smartphones, cars, or smart home…
TerminalA terminal is a software application that provides a text-based interface for users to interact with an operating…
Test-Driven Development Test-Driven DevelopmentTest-Driven Development (TDD) is a software development approach where developers write automated tests for a feature before writing…
Thermal pasteThermal paste is a heat-conductive compound applied between a computer processor (or other heat-generating components) and its cooling…
thermal throttlingThermal throttling is a safety mechanism that reduces the performance of electronic components, like CPUs or GPUs, when…
Thin Film Transistor Thin Film TransistorTFT (Thin Film Transistor) is a display technology used in LCD screens, where each pixel is controlled by…
ThrottlingThrottling is a technique used by internet service providers (ISPs) or devices to intentionally limit bandwidth or processing…
ThroughputThroughput measures how much data a network can handle, typically in megabits per second (Mbps) or gigabits per…
Thunderbolt ThunderboltThunderbolt is a hardware interface developed by Intel in collaboration with Apple, designed for fast data transfer between…
Time Division Multiplexing Time Division MultiplexingTime Division Multiplexing (TDM) is a digital transmission technology that allows multiple signals to share a single communication…
Time Synchronization (NTP) Network Time ProtocolTime synchronization ensures that all devices in a network or system display the same time, typically using the…
Time to First Byte Time to First ByteTime to First Byte (TTFB) is the time it takes for a web browser to receive the first…
Time to Live Time to LiveTime to Live (TTL) is a value assigned to data packets in a network, indicating the maximum time…
Time-averaged call Time-averaged callA Time-Averaged Call (TAC) is a metric used by mobile operators to assess the average duration of calls…
TLS 1.2 Transport Layer Security 1.2TLS 1.2 (Transport Layer Security 1.2) is a cryptographic protocol designed to secure communications over the internet. It…
TLS 1.3 Transport Layer Security 1.3TLS 1.3 (Transport Layer Security 1.3) is the latest version of the encryption protocol used to secure internet…
TLS certificate Transport Layer SecurityA TLS (Transport Layer Security) certificate is a digital credential that authenticates a website and encrypts data exchanged…
TLS/SSL certificate Transport Layer Security / Secure Sockets LayerA TLS/SSL certificate is a digital credential that authenticates a website's identity and encrypts data exchanged between the…
TMO Telecommunications Mobile OperatorA TMO (Telecommunications Mobile Operator) is a company that offers mobile phone and internet services to consumers. These…
TokenizationTokenization is the process of converting text into tokens, which are smaller units of meaning like words, parts…
Total Cost of Ownership Total Cost of OwnershipTotal Cost of Ownership (TCO) is a financial estimate that includes the purchase price of a product, plus…
TracerouteTraceroute is a command-line tool used to trace the route packets take from a source to a destination…
Traffic shapingTraffic shaping is a network management tool that regulates the flow of data to prevent congestion and ensure…
TransformerA transformer is a neural network architecture designed to process sequential data, such as text or audio, by…
Transparent data collectionTransparent data collection is the practice of openly disclosing how and why a company gathers, uses, and stores…
Transport Layer Security Transport Layer SecurityTransport Layer Security (TLS) is a cryptographic protocol designed to secure data transmitted over the internet. It ensures…
Trusted Platform Module Trusted Platform ModuleA Trusted Platform Module (TPM) is a dedicated hardware security chip that helps secure devices by storing cryptographic…
Turbo BoostTurbo Boost is an intelligent performance-boosting technology found in modern processors, particularly those from Intel and AMD. It…
two-factor authentication two-factor authenticationTwo-factor authentication (2FA) is a security process that requires users to provide two different forms of identification before…
Two-factor authentication (2FA) Two-factor authenticationTwo-factor authentication (2FA) is a security process that requires users to provide two distinct forms of verification before…

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UDP User Datagram ProtocolUDP (User Datagram Protocol) is a communication protocol used to send data packets over networks without establishing a…
UEFI boot Unified Extensible Firmware InterfaceUEFI (Unified Extensible Firmware Interface) boot is a firmware interface that initializes hardware during a computer's startup and…
UEFI boot order Unified Extensible Firmware InterfaceThe UEFI boot order is a list that determines which storage devices (like SSDs or HDDs) your computer…
UEFI secure boot Unified Extensible Firmware InterfaceUEFI secure boot is a security mechanism in modern computers that verifies the integrity of firmware and operating…
ULM Ultra-Light MobileULM (Ultra-Light Mobile) is a budget-friendly mobile plan designed for users with minimal needs, such as occasional calls,…
Ultra Lightweight Ultra LightweightUltra Lightweight (ULW) refers to a design philosophy in consumer electronics that prioritizes reducing weight without sacrificing functionality.…
UMAM Unified Management and Access MonitoringUMAM (Unified Management and Access Monitoring) is a security framework designed to standardize how web hosting providers, domain…
Unbootable systemAn unbootable system is a computer or device that fails to start its operating system, typically due to…
UnderfittingUnderfitting occurs when a machine learning model is too basic to capture the underlying trends in training data,…
Unified Extensible Firmware Interface Unified Extensible Firmware InterfaceUEFI (Unified Extensible Firmware Interface) is a firmware interface that replaces the older BIOS system in most modern…
Uninterruptible power supply Uninterruptible Power SupplyAn uninterruptible power supply (UPS) is a backup power system that provides electricity when the main power source…
universal second factor universal second factorUniversal Second Factor (U2F) is a hardware-based authentication method designed to enhance online security. It works alongside passwords…
Universal Serial Bus Universal Serial BusUSB (Universal Serial Bus) is a widely used interface for connecting computers to peripherals like keyboards, mice, and…
Unsupervised learningUnsupervised learning is a machine learning technique where algorithms identify patterns and relationships in data without predefined labels…
Uplink speedUplink speed is the rate at which data travels from your device (like a computer or smartphone) to…
UpscalingUpscaling is a technique used in AI and image processing to increase the resolution of a digital image…
UptimeUptime refers to the percentage of time a website or server is operational and accessible to users. It’s…
URL Uniform Resource LocatorA URL (Uniform Resource Locator) is the unique address of a webpage or file on the internet. It…
URL encodingURL encoding is a process that replaces spaces, symbols, and other non-alphanumeric characters in a URL with a…
URL redirectionURL redirection is a technique that forwards users from one URL to another without them having to manually…
URL shortenerA URL shortener is a service that condenses long web addresses (URLs) into shorter, more manageable links. This…
USB hub Universal Serial BusA USB hub is an external device that expands the number of available USB ports on a computer…
USB OTG On-The-GoUSB OTG (On-The-Go) is a technology that allows mobile devices like smartphones and tablets to act as a…
USB port Universal Serial BusUSB (Universal Serial Bus) is a standard interface for connecting peripherals like keyboards, mice, and external drives to…
USB port failureA USB port failure occurs when a USB port on a computer or device no longer functions, preventing…
USB Power Delivery Universal Serial Bus Power DeliveryUSB Power Delivery (USB-PD) is a fast-charging standard that allows compatible devices to charge at higher power levels…
USB-C charging Universal Serial Bus Type-CUSB-C charging is a method of powering electronic devices through a USB-C port, which supports faster charging speeds…
USB-C connector Universal Serial Bus Type-CUSB-C is a compact, oval-shaped connector that supports high-speed data transfer, power delivery, and video output. Unlike older…
USB-C Power Delivery Universal Serial Bus – Power DeliveryUSB-C Power Delivery (PD) is a fast-charging standard that allows devices to charge at higher power levels over…
User Account Control User Account ControlUser Account Control (UAC) is a security system in Windows that prevents unauthorized changes to your computer. It…
user agent (UA) user agentA user agent (UA) is a string of text that websites and online services use to recognize the…
User consentUser consent is explicit permission from an individual allowing a company to process their personal data. It’s a…

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Value-Added Services Value-Added ServicesValue-Added Services (VAS) are non-core offerings that mobile operators provide to enhance user experience, such as mobile banking,…
Video Graphics Array Video Graphics ArrayVGA (Video Graphics Array) is a legacy display standard introduced by IBM in 1987. It uses an analog…
Virtual LAN (VLAN) Virtual Local Area NetworkA Virtual LAN (VLAN) is a method of dividing a physical network into multiple logical networks, allowing devices…
Virtual memory swap fileVirtual memory is a system feature that allows your computer to use part of your storage drive (like…
Virtual Network Operator Virtual Network OperatorA Virtual Network Operator (VNO) is a telecommunications provider that offers mobile services (calls, data, SMS) by leasing…
virtual private network virtual private networkA virtual private network (VPN) is a tool that encrypts your internet traffic and routes it through a…
Virtual Private Network (VPN) Virtual Private NetworkA VPN (Virtual Private Network) is a tool that encrypts your internet connection, making it private and secure.…
virusA virus is a type of malicious software (malware) that attaches itself to legitimate programs or files and…
VishingVishing (voice phishing) is a fraudulent practice where scammers use phone calls, voicemails, or automated messages to impersonate…
Voice over IP Voice over Internet ProtocolVoice over IP (VoIP) is a technology that lets you make and receive phone calls over the internet.…
VoltageVoltage is the measure of electrical potential difference between two points in a circuit, typically measured in volts…
Voltage regulatorA voltage regulator is an electronic component that maintains a constant voltage level, protecting devices from power surges…
VoLTE Voice over LTEVoLTE (Voice over LTE) is a standard for voice calls that uses the same high-speed data network as…
VPN Virtual Private NetworkA VPN (Virtual Private Network) is a tool that encrypts your internet traffic, making it unreadable to hackers,…
VPN (Virtual Private Network) Virtual Private NetworkA VPN (Virtual Private Network) is a tool that encrypts your internet connection, making it private and secure.…
VPN leakA VPN leak is a security flaw that reveals your true identity or data despite using a virtual…

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WAN optimization Wide Area Network optimizationWAN optimization (WAN-O) is a set of technologies designed to improve the performance of wide area networks (WANs)…
WAN port Wide Area NetworkA WAN (Wide Area Network) port is a network interface on a router or modem that links your…
WattageWattage is the unit of electrical power, representing the rate at which energy is consumed or generated. It’s…
WCDMA Wideband Code Division Multiple AccessWCDMA (Wideband Code Division Multiple Access) is a 3G mobile telecommunication standard that enables faster data transfer and…
Web accessibilityWeb accessibility ensures that websites, tools, and technologies are designed for all users, including those with disabilities. It…
web analyticsWeb analytics is the process of collecting, measuring, and analyzing data about website visitors, their behavior, and interactions.…
web application firewall web application firewallA web application firewall (WAF) is a security tool designed to inspect and filter incoming web traffic to…
Web Application Firewall (WAF) Web Application FirewallA Web Application Firewall (WAF) is a security system that monitors, filters, and blocks data packets as they…
web beaconA web beacon is a tracking tool embedded in emails or websites, often invisible to users. It records…
web hostingWeb hosting is a service that provides the technology and infrastructure needed to store and serve a website…
web performance optimization web performance optimizationWeb performance optimization (WPO) is the process of improving how quickly a website loads and how smoothly it…
web performance optimization tools web performance optimizationWeb performance optimization (WPO) tools are software solutions designed to improve the speed, reliability, and efficiency of websites.…
Web serverA web server is a specialized computer or software system that processes requests from web browsers and delivers…
WebP Web PictureWebP is a raster image format developed by Google that compresses photos and graphics more efficiently than older…
WebP conversionWebP conversion is the process of transforming image files (like JPEGs or PNGs) into the WebP format, a…
WebP imageA WebP image is a compressed image file format developed by Google that supports both lossy and lossless…
WebP supportWebP support is the ability of a website or browser to display images in the WebP format, a…
WebSocket Web SocketA WebSocket is a protocol that enables full-duplex communication channels over a single TCP connection. Unlike HTTP, which…
Wi-Fi Wireless FidelityWi-Fi is a wireless networking technology that allows devices like smartphones, laptops, and tablets to connect to the…
Wi-Fi 6 802.11axWi-Fi 6 (officially known as IEEE 802.11ax) is the sixth generation of Wi-Fi technology, designed to improve speed,…
Wi-Fi 6E Wireless Fidelity 6 ExtendedWi-Fi 6E is the latest evolution of Wi-Fi technology, extending the capabilities of Wi-Fi 6 (802.11ax) by adding…
Wi-Fi adapter Wireless FidelityA Wi-Fi adapter is a small hardware component that enables wireless internet connectivity for devices like laptops, smartphones,…
Wi-Fi Calling Wireless Fidelity CallingWi-Fi Calling is a technology that allows smartphones to place and receive calls over a Wi-Fi network instead…
Wi-Fi Direct Wireless Fidelity DirectWi-Fi Direct is a peer-to-peer (P2P) wireless communication standard that allows devices to connect directly to each other…
Wi-Fi extenderA Wi-Fi extender is a device that captures an existing Wi-Fi signal, amplifies it, and rebroadcasts it to…
Wi-Fi hotspotA Wi-Fi hotspot is a physical location or device that broadcasts a wireless internet signal, allowing nearby devices…
Wi-Fi Protected Access Wi-Fi Protected AccessWPA (Wi-Fi Protected Access) is a security standard designed to protect wireless networks from eavesdropping and unauthorized access.…
Wi-Fi Protected Setup Wi-Fi Protected SetupWi-Fi Protected Setup (WPS) is a security feature designed to simplify the process of connecting devices to a…
Wi-Fi rangeWi-Fi range refers to the maximum distance a wireless network can effectively reach while maintaining a stable connection.…
Wi-Fi range extenderA Wi-Fi range extender is a small gadget that picks up your existing Wi-Fi signal and rebroadcasts it,…
Wide Area Network Wide Area NetworkA WAN (Wide Area Network) is a telecommunications network that covers a broad area, linking multiple local area…
Wide Area Network (WAN) Wide Area NetworkA WAN (Wide Area Network) is a large-scale network that connects multiple smaller networks, such as local area…
Windows DefenderWindows Defender is Microsoft's free antivirus software included with Windows 10 and 11. It scans files, apps, and…
Windows Insider Windows Insider ProgramWindows Insider is a Microsoft program that lets users test pre-release versions of Windows, providing feedback to improve…
Windows Installer Microsoft Software InstallerThe Windows Installer (MSI) is a technology developed by Microsoft to simplify software deployment on Windows operating systems.…
Windows Recovery Environment Windows Recovery EnvironmentThe Windows Recovery Environment (WinRE) is a lightweight, pre-installed recovery system in Windows that launches when the operating…
Windows Recovery Environment (WinRE) Windows Recovery EnvironmentThe Windows Recovery Environment (WinRE) is a pre-installed diagnostic and repair tool that launches automatically when Windows fails…
wired connectionA wired connection is a network link established through physical cables, such as Ethernet, rather than wireless signals.…
Wireless access pointA wireless access point (WAP) is a networking device that allows Wi-Fi-enabled devices to connect to a wired…
Wireless access point (WAP) Wireless Access PointA wireless access point (WAP) is a networking device that enables Wi-Fi connectivity by broadcasting a wireless signal.…
Wireless adapterA wireless adapter is a hardware component that allows devices like laptops, gaming consoles, or smart TVs to…
wireless chargingWireless charging is a technology that transfers electrical energy from a charging station to a device without the…
Wireless LAN (WLAN) Wireless Local Area NetworkA Wireless LAN (WLAN) is a local area network that uses radio waves instead of wires to connect…
Wireless Local Area Network (WLAN) Wireless Local Area NetworkA WLAN (Wireless Local Area Network) is a network that allows devices like smartphones, laptops, and tablets to…
Wireless routerA wireless router is a networking device that allows multiple devices to connect to the internet without cables.…
Wireless securityWireless security refers to the measures taken to safeguard data transmitted over Wi-Fi networks from interception, theft, or…
WLAN Wireless Local Area NetworkWLAN (Wireless Local Area Network) is a technology that allows devices like smartphones, laptops, and tablets to connect…
wormA worm is a type of malicious software that can copy itself and spread to other computers over…
WPA Wi-Fi Protected AccessWPA (Wi-Fi Protected Access) is a security protocol designed to encrypt wireless internet connections, preventing unauthorized access. It…
WPA2 Wi-Fi Protected Access 2WPA2 (Wi-Fi Protected Access 2) is a security standard that encrypts data transmitted over wireless networks, making it…
WPA3 Wi-Fi Protected Access 3WPA3 (Wi-Fi Protected Access 3) is the latest security standard for Wi-Fi networks, replacing WPA2. It improves protection…
WPO optimization Web Performance OptimizationWPO (Web Performance Optimization) is a set of techniques to speed up a website’s loading time, improve user…

X

XMLHttpRequest XML Http RequestXMLHttpRequest (XHR) is a JavaScript API that allows web pages to request data from a server asynchronously. It…
XSS attack Cross-Site ScriptingAn XSS (Cross-Site Scripting) attack is a type of cyberattack where hackers inject malicious scripts into web pages…

Z

zero trust approach zero trust approachA zero trust approach (ZTA) is a cybersecurity model that eliminates the concept of a trusted network perimeter,…
zero trust architecture zero trust architectureZero trust architecture (ZTA) is a cybersecurity approach that requires strict identity verification for every person and device…
zero trust architecture model zero trust architecture modelThe zero trust architecture model (ZTAM) is a cybersecurity framework that requires strict identity verification for every person…
zero trust framework zero trust frameworkThe zero trust framework (ZTF) is a cybersecurity model that requires continuous authentication and authorization for every access…
zero trust model zero trust modelThe zero trust model (ZTM) is a cybersecurity framework that requires strict identity verification for every person and…
zero trust network access Zero Trust Network AccessZero Trust Network Access (ZTNA) is a cybersecurity approach that assumes no user or device should be trusted…
zero trust principle Zero Trust PrincipleThe zero trust principle (ZTP) is a cybersecurity model that requires strict identity verification for every person and…
zero trust security zero trust securityZero trust security (ZTS) is a cybersecurity model that requires strict identity verification for every person and device…
zero trust security approach (ZTSA) zero trust security approachZero trust security approach (ZTSA) is a cybersecurity framework that eliminates the concept of a trusted network perimeter,…
zero trust security framework zero trust security frameworkThe zero trust security framework (ZTSF) is a cybersecurity model that requires strict identity verification for every person…
zero trust security model zero trust security modelThe zero trust security model (ZTSM) is a cybersecurity framework that eliminates the traditional notion of a trusted…
zero trust security model (ZTSM) zero trust security modelThe zero trust security model (ZTSM) is a cybersecurity framework that eliminates the traditional perimeter-based security model, instead…
zero trust security policy zero trust security policyA zero trust security policy (ZTSP) is a cybersecurity model that requires strict identity verification for every person…
zero trust security principle zero trust security principleThe zero trust security principle (ZTSP) is a cybersecurity model that eliminates the traditional notion of a trusted…
Zero-day vulnerability zero-day vulnerabilityA zero-day vulnerability is a security weakness in software that is unknown to the software vendor and has…
zero-day vulnerability (ZDV) zero-day vulnerabilityA zero-day vulnerability (ZDV) is a security weakness in software that is unknown to the software vendor and…
zero-party dataZero-party data is information that consumers intentionally and proactively share with a business, often through surveys, preference centers,…
zero-party data (ZPD) zero-party dataZero-party data (ZPD) refers to information that consumers intentionally and proactively share with a business, typically through surveys,…

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