Browse Definitions by Alphabet

apparent power - Apparent power is a measure of alternating current (AC) power that is computed by multiplying the root-mean-square (rms) current by the root-mean-square voltage.
Apple - Apple Inc. (formerly Apple Computer Inc.
Apple 3D Touch - Apple 3D Touch was a hardware-based feature Apple introduced in iPhone 6s and 6s Plus devices running iOS 9 that perceives the amount of force a user puts on the touchscreen to activate different functions.
Apple AirDrop - Apple AirDrop is a native feature in iOS and macOS that lets users share data from one device to another on the same Wi-Fi network.
Apple Authorized Service Provider (Apple AASP) - An Apple Authorized Service Provider (AASP) is a business that provides repair services for Apple products.
Apple Automated Device Enrollment - The Apple Automated Device Enrollment program, formerly known as the Device Enrollment Program (DEP), is a device enrollment service that's included with Apple Business Manager (ABM) and Apple School Manager (ASM).
Apple Bonjour - Apple Bonjour is a group of networking technologies designed to help devices and applications discover each other on the same network.
Apple Business Manager - Apple Business Manager (ABM) is an online portal for IT administrators who deploy Mac OS, iOS and tvOS devices in an enterprise or educational setting.
Apple iOS - Apple iOS is a proprietary mobile operating system that runs on mobile devices such as the iPhone and iPad.
Apple Push Notification service (APNs) - Apple Push Notification service (APNs) is a cloud service that allows approved third-party apps installed on Apple devices to send push notifications from a remote server to users over a secure connection.
Apple TV (Apple TV 4) - Apple TV is a set-top box that allows end users to stream multimedia content from the Internet over a television.
Apple User Enrollment - Apple User Enrollment (UE) is a form of mobile device management (MDM) for Apple products that supports iOS 13 and macOS Catalina.
Apple Watch - Apple Watch is a wearable smartwatch that allows users to accomplish a variety of tasks, including making phone calls, sending text messages and reading email.
Apple watchOS (Apple Watch operating system) - Apple watchOS is the operating system (OS) designed specifically for the Apple Watch wearable device, with features that take advantage of the smaller screen and location of the device on the user's wrist.
applet - An applet is a small computer program that performs a specific task.
applicant tracking system (ATS) - An applicant tracking system (ATS) is software that manages the recruiting and hiring process, including job postings and job applications.
application blacklisting (application blocklisting) - Application blacklisting --increasingly called application blocklisting -- is a network or computer administration practice used to prevent the execution of undesirable software programs.
application containerization (app containerization) - Application containerization is a virtualization technology that works at the operating system (OS) level.
application delivery controller (ADC) - An application delivery controller (ADC) is a network component that manages and optimizes how client machines connect to web and enterprise application servers.
application firewall - An application firewall is an enhanced firewall that limits access by applications to the operating system (OS) of a computer.
application integration (enterprise application integration or EAI) - Application integration (sometimes called enterprise application integration or EAI) is the process of bringing data or a function from one application program together with that of another application program.
application layer - The application layer sits at Layer 7, the top of the Open Systems Interconnection (OSI) communications model.
application layering (app layering) - Application layering (app layering) is a technology for delivering virtual applications that run in layers separate from a virtual desktop, but interact with the operating system and other apps as if they are installed natively on the base image.
application lifecycle management (ALM) - Application lifecycle management (ALM) is an integrated system of people, tools and processes that supervise a software application from its initial planning and development, through testing and maintenance, and into decommissioning and retirement.
Application Load Balancer - The Application Load Balancer is a feature of Elastic Load Balancing that allows a developer to configure and route incoming end-user traffic to applications based in the AWS public cloud.
application manager (app manager) - An application manager (app manager) is programming for overseeing the installation, patching and updating and perhaps access of software applications.
application migration - Application migration is the process of moving an application program from one environment to another.
application platform - An application platform is a framework of services that applications rely on for standard operations.
application portfolio management (APM) - Application portfolio management (APM) is a framework for managing enterprise IT software applications and software-based services.
application release automation (ARA) - Application release automation (ARA) is a process that automatically packages and deploys an application, or application updates, through the stages of development to production.
application sandboxing - Application sandboxing, also called application containerization, is an approach to software development and management and mobile application management (MAM) that limits the environments in which certain code can execute.
application security - Application security, or appsec, is the practice of using security software, hardware, techniques, best practices and procedures to protect computer applications from external security threats.
application service provider (ASP) - An application service provider (ASP) is a company that offers individuals or enterprises access to applications and related services over the internet.
application streaming - Application streaming is an on-demand software delivery model that takes advantage of the fact that most applications require only a small fraction of their total program code to run.
application support engineer (ASE) - An application support engineer (ASE) is an IT professional who provides technical support for the range of software their employer uses.
application whitelisting - Application whitelisting is the practice of specifying an index of approved software applications or executable files that are permitted to be present and active on a computer system.
Appreciative inquiry (AI) - Appreciative Inquiry (AI) is a change management approach that focuses on identifying what is working well, analyzing why it is working well and then doing more of it.
AppX file - AppX is the application distribution file format that was introduced with Microsoft Windows 8.
archive - An archive is a collection of data moved to a repository for long-term retention, to be kept separate for compliance reasons or moved off primary storage media.
AribaPay - AribaPay is a system for electronic payments for goods and services on the SAP Ariba Network, a global business trading community.
arithmetic-logic unit (ALU) - An arithmetic-logic unit (ALU) is the part of a central processing unit (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words.
Arm processor - An Arm processor is one of a family of CPUs based on the RISC architecture for computer processors.
Army Knowledge Online (AKO) - Army Knowledge Online (AKO) is the United States Army intranet.
ARPANET - The U.S.
artifact (software development) - An artifact is a byproduct of software development that helps describe the architecture, design and function of software.
artificial intelligence (AI) governance - Artificial intelligence governance is the legal framework for ensuring AI and machine learning technologies are researched and developed with the goal of helping humanity adopt and use these systems in ethical and responsible ways.
artificial intelligence of things (AIoT) - Artificial intelligence of things (AIoT) is the combination of artificial intelligence (AI) technologies and the internet of things (IoT) infrastructure.
artificial neuron - An artificial neuron is a connection point in an artificial neural network.
artificial superintelligence (ASI) - Artificial superintelligence (ASI) is a software-based system with intellectual powers beyond those of humans across a comprehensive range of categories and fields of endeavor.
AS/400 (IBM iSeries, AS/400e, eServer iSeries/400, Power Systems) - The IBM Application System/400 -- or AS/400 -- is a family of midrange computers that was released in 1988, succeeding both System/36 and System/38 platforms.
ASAP, ALAP and ATAP - ASAP, ATAP and ALAP are acronyms that stand for, respectively, as soon as possible, as timely as possible and as late as possible.
ASCII (American Standard Code for Information Interchange) - ASCII (American Standard Code for Information Interchange) is the most common character encoding format for text data in computers and on the internet.
ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) - ASHRAE was formed in 1959 by the merger of the American Society of Heating and Air-Conditioning Engineers (ASHAE), founded in 1894, and the American Society of Refrigerating Engineers (ASRE), founded in 1904.
Asilomar AI Principles - Asilomar AI Principles are 23 guidelines for the research and development of artificial intelligence (AI).
ASMR (autonomous sensory meridian response) - Autonomic sensory meridian response (ASMR) is a tingling sensation that some people experience when exposed to particular types of auditory or visual stimuli such as whispering, tapping and slow movements.
aspect-oriented programming (AOP) - Aspect-oriented programming (AOP) is an approach to programming that allows global properties of a program to determine how it is compiled into an executable program.
assembler - An assembler is a computer program that takes in basic instructions and converts them into a pattern of bits that the computer's processor can use to perform basic operations.
asset performance management (APM) - Asset performance management (APM) is both a strategy and a set of software tools for tracking and managing the health of an organization's physical assets.
asset turnover ratio - The asset turnover ratio is a measurement that shows how efficiently a company is using its owned resources to generate revenue or sales.
assistive technology (adaptive technology) - Assistive technology is a set of devices intended to help people who have disabilities.
association rules - Association rules are if-then statements that show the probability of relationships between data items within large data sets in various types of databases.
asymmetric communications - Asymmetric communications is a term pertaining to any system in which the data speed or quantity, when averaged over time, is different in one direction from the other.
asymmetric cryptography - Asymmetric cryptography, also known as public key cryptography, is a process that uses a pair of related keys -- one public key and one private key -- to encrypt and decrypt a message and protect it from unauthorized access or use.
asymmetric cyber attack - An asymmetric cyber attack refers to cyberwarfare that inflicts a proportionally large amount of damage compared to the resources used by targeting the victim's most vulnerable security measure.
asynchronous replication - Asynchronous replication is a store-and-forward approach to data backup and protection.
at sign (address sign or @) - On the Internet, @ (pronounced "at" or "at sign" or "address sign") is the symbol in an e-mail address that separates the name of the user from the user's Internet address, as in this hypothetical e-mail address example: msmuffet@tuffet.
athenahealth Inc. - athenahealth Inc.
ATM jackpotting - ATM jackpotting is the exploitation of physical and software vulnerabilities in automated banking machines that result in the machines dispensing cash.
atomic data - In a data warehouse, atomic data is the lowest level of detail.
atomic mass unit (AMU or amu) - The atomic mass unit (AMU or amu) of an element is a measure of its atomic mass.
attack surface - An attack surface is the total number of all possible entry points for unauthorized access into any system.
attack vector - An attack vector is a path or means by which an attacker or hacker can gain access to a computer or network server in order to deliver a payload or malicious outcome.
attention training - Attention training is a technique or system designed to help people focus on the issue at hand, concentrate more effectively, procrastinate less and make better decisions in less time.
attenuation - Attenuation is a general term that refers to any reduction in the strength of a signal.
attribute - In general, an attribute is a property, quality, or characteristic that something or someone has.
audio - Audio is sound that is within the acoustic range of human hearing.
audit program (audit plan) - An audit program, also called an audit plan, is an action plan that documents what procedures an auditor will follow to validate that an organization is in conformance with compliance regulations.
augmented reality (AR) - Augmented reality (AR) is the integration of digital information with the user's environment in real time.
augmented reality app (AR app) - An augmented reality app (AR app) is a software application that integrates digital visual content (and sometimes audio and other types) into the user’s real-world environment.
augmented reality gaming (AR gaming) - Augmented reality gaming (AR gaming) is the real-time integration of virtual game elements with the physical environment of the player.
Australian Assistance and Access Bill - The Australian Assistance and Access Bill is legislation introduced and passed in 2018 by the Parliament of Australia to support law enforcement and security agencies in their ability to collect evidence from electronic devices.
authentic leadership - Authentic leadership is a type of management style in which people act in a real, genuine and sincere way that is true to who they are as individuals.
authentication - Authentication is the process of determining whether someone or something is who or what they say they are.
authentication factor - An authentication factor is a category of credential that is intended to verify, sometimes in combination with other factors, that an entity involved in some kind of communication or requesting access to some system is who, or what, they are declared to be.
authentication server - An authentication server is an application that facilitates the authentication of an entity that attempts to access a network.
authoritarian leadership - Authoritarian leadership, also known as autocratic leadership, is a management style where an individual possesses total decision-making power and retains as much authority as possible, often requiring followers to strictly adhere to their directives without much freedom or participation.
auto attendant (automated attendant) - An automated attendant (AA) is a telephony system that transfers incoming calls to various extensions as specified by callers, without the intervention of a human operator.
Auto-GPT - Auto-GPT is an experimental, open source autonomous AI agent based on the GPT-4 language model.
autocorrect - Autocorrect is a word processing feature that identifies misspelled words, and uses algorithms to identify the words most likely to have been intended, and edits the text accordingly.
autofill - Autofill, also called autocomplete, is a software feature that automatically inserts previously entered personal information into web form fields for the user's convenience.
Automated Clearing House fraud (ACH fraud) - ACH fraud is the theft of funds through the U.
automated machine learning (AutoML) - Automated machine learning (AutoML) is the process of applying machine learning models to real-world problems using automation.
automated reasoning - Automated reasoning is the area of computer science concerned with applying reasoning in the form of logic to computing systems.
automated testing - Automated testing is a software testing technique that automates the process of validating the functionality of software and ensures it meets requirements before being released into production.
Automatic Identification and Data Capture (AIDC) - Automatic Identification and Data Capture (AIDC) is a broad set of technologies used to collect information from an object, image or sound without manual data entry.
Automatic Private IP Addressing (APIPA) - Automatic Private IP Addressing (APIPA) is a feature of Windows-based OSes -- included since Windows 98 and Windows ME -- that enables a Dynamic Host Configuration Protocol client to automatically assign an IP address to itself when there's no DHCP server available to perform that function.
automatic transfer switch (ATS) - An automatic transfer switch (ATS) is a device that automatically transfers a power supply from its primary source to a backup source when it senses a failure or outage in the primary source.
autonomous system (AS) - An autonomous system (AS) in networking is a collection of one or more associated Internet Protocol (IP) prefixes with a clearly defined routing policy that governs how the AS exchanges routing information with other autonomous systems.
autoscaling - Autoscaling provides users with an automated approach to increase or decrease the compute, storage or networking resources they have allocated, as traffic spikes and use patterns demand.
AV (audio/video) - AV, an abbreviation for audio/video, is frequently used as a generic term for the audio and video components and capabilities in home entertainment systems and related product descriptions and reviews.