Browse Definitions by Alphabet

ACT - ADV

actuator - An actuator is a mechanism that turns energy into a controlled motion.
Acxiom - Acxiom is an identity based marketing company and data broker that specializes in personalized marketing.
ad blocker - An ad blocker is a software product that prevents advertisements from appearing with the content the user is intentionally viewing.
ad exchange - An ad exchange is a software-based automated marketplace that allows publishers to sell their ad inventory and advertisers to bid on and purchase the inventory in real time.
ad fraud - Ad fraud is a type of scam in which the perpetrator fools advertisers into paying for something useless to them, such as fake traffic, fake leads or ineffective and misrepresented ad placement.
ad fraud botnet - An ad fraud botnet is a distributed network of computers controlled by a botmaster to defraud advertisers.
ad hoc - Ad hoc is an adjective used to describe things that are created on the spot, usually for a single use.
Ad Hoc Analysis - Ad hoc analysis is a business intelligence (BI) process designed to answer a single, specific business question.
ad hoc test - An ad hoc test is an unplanned and undocumented procedure designed to assess the viability of a product.
ad hoc testing - Ad hoc testing is a non-methodical approach to assessing the viability of a product.
ad inventory (advertising inventory) - Ad inventory is the total amount of space that a publisher has available for advertisements at any given time.
ad network - An ad network (advertising network) is an intermediary company that acts as a broker between advertisers who want to purchase inventory and publishers who want to host ads.
ad server - An ad server is software that stores advertising content and delivers it to websites and applications.
Ada - Ada (pronounced AY-duh) is a programming language somewhat similar to Pascal that was selected in a competition and made a U.
Ada Byron, countess of Lovelace - Augusta Ada King, Countess of Lovelace, was an English mathematician who is credited with being the first computer programmer.
ADA Cheat Sheets - We've gathered cheat sheets for fast reference to information about the ADA programming language.
Ada Lovelace - Augusta Ada King, Countess of Lovelace, was an English mathematician who is credited with being the first computer programmer.
Ada Lovelace (Augusta Ada King) - Augusta Ada King, Countess of Lovelace, was an English mathematician who is credited with being the first computer programmer.
adapter - An adapter is a physical device that allows one hardware or electronic interface to be adapted (accommodated without loss of function) to another hardware or electronic interface.
adapter - A card (or expansion card, board, or adapter) is circuitry designed to provide expanded capability to a computer.
adaptive cruise control - Adaptive cruise control (ACC) is a driver assistance technology that sets a maximum speed for vehicles and automatically slows the speed of the car when traffic is sensed in front of the vehicle.
adaptive differential pulse code modulation - ADPCM (adaptive differential pulse-code modulation) is a technique for converting sound or analog information to binary information (a string of 0's and 1's) by taking frequent samples of the sound and expressing the value of the sampled sound modulation in binary terms.
adaptive differential pulse-code modulation - ADPCM (adaptive differential pulse-code modulation) is a technique for converting sound or analog information to binary information (a string of 0's and 1's) by taking frequent samples of the sound and expressing the value of the sampled sound modulation in binary terms.
adaptive enterprise - An adaptive enterprise (or adaptive organization) is a corporation, institution, or agency in which the business demand and the IT (information technology) supply are matched and synchronized at all times.
Adaptive Insights (formerly called Adaptive Planning) - Adaptive Insights (formerly called Adaptive Planning) is a cloud-based corporate performance management software (CPM) vendor headquartered in Mountain View, California.
adaptive organization - An adaptive enterprise (or adaptive organization) is a corporation, institution, or agency in which the business demand and the IT (information technology) supply are matched and synchronized at all times.
adaptive routing (dynamic routing) - Adaptive routing, also called dynamic routing, is a process for determining the optimal path a data packet should follow through a network to arrive at a specific destination.
adaptive security - Adaptive security is an approach to safeguarding systems and data by recognizing threat-related behaviors rather than the files and code used by virus definitions.
Adaptive Server Enterprise - Adaptive Server Enterprise (ASE) is a relational database management system (RDBMS) from Sybase, Inc.
Adaptive Server Enterprise (ASE) - Adaptive Server Enterprise (ASE) is a relational database management system (RDBMS) from Sybase, Inc.
adaptive software - Assistive software, also called adaptive software, refers to computer programs designed for specialized hardware used by physically challenged people.
adaptive technology - Assistive technology is a set of devices intended to help people who have disabilities.
ADAT - The ADAT (a registered trademark of Alesis) is an eight-track digital tape recorder that caught the recording industry by storm when it was first released in the early 1990s.
ADAT (Alesis Digital Audio Tape) - The ADAT (a registered trademark of Alesis) is an eight-track digital tape recorder that caught the recording industry by storm when it was first released in the early 1990s.
ADC - Analog-to-digital conversion is an electronic process in which a continuously variable (analog) signal is changed, without altering its essential content, into a multi-level (digital) signal.
add-in - Add-in is a term used, especially by Microsoft, for a software utility or other program that can be added to a primary program.
add-on - An add-on is either a hardware unit that can be added to a computer to increase its capabilities or a program utility that enhances a primary program.
address - An address can mean the unique location of either ( an Internet server, (2) a specific file (for example, a Web page), or (3) an e-mail user.
address bar - The address bar is the familiar text field at the top of a web browser’s graphical user interface (GUI) that displays the name or the URL (uniform resource locator) of the current web page.
Address Resolution Protocol - Address Resolution Protocol (ARP) is a procedure for mapping a dynamic Internet Protocol address (IP address) to a permanent physical machine address in a local area network (LAN).
Address Resolution Protocol (ARP) - Address Resolution Protocol (ARP) is a procedure for mapping a dynamic Internet Protocol address (IP address) to a permanent physical machine address in a local area network (LAN).
address sign - 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: [email protected]
address space - Address space is the amount of memory allocated for all possible addresses for a computational entity, such as a device, a file, a server, or a networked computer.
address space layout randomization (ASLR) - Address space layout randomization (ASLR) is a memory-protection process for operating systems (OSes) that guards against buffer-overflow attacks by randomizing the location where system executables are loaded into memory.
addressability - Addressability is the capacity for an entity to be targeted and found.
addressable call endpoint - A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network.
adhocracy - Adhocracy is a business management and corporate culture model based the ability to adapt quickly to changing conditions.
adiabatic cooling - Adiabatic cooling is the process of reducing heat through a change in air pressure caused by volume expansion.
adjective - An adjective is a word or phrase that describes or modifies a noun.
administrator code - In government contracting, an administrator code (AC), like a buyer code (BC), is a code assigned to each Post Award Administrator.
Admiral Grace Hopper - Grace Murray Hopper (1906-1992) was a pioneer in computer science.
admittance - Admittance (symbolized Y) is an expression of the ease with which alternating current (AC) flows through a complex circuit or system.
admittance (Y) - Admittance (symbolized Y) is an expression of the ease with which alternating current (AC) flows through a complex circuit or system.
ADO - ActiveX Data Objects (ADO) is an application program interface from Microsoft that lets a programmer writing Windows applications get access to a relational or non-relational database from both Microsoft and other database providers.
Adobe AIR - Adobe AIR is a developer's tool for creating platform-independent web applications that can be run on a user's desktop.
Adobe Buzzword - Adobe Buzzword is a free, Web-based word processor similar to Google Docs in which documents are created, edited and stored online.
Adobe Experience Platform - Adobe Experience Platform, formerly known as Adobe Cloud Platform, is a suite of customer experience management (CEM) services and tools.
Adobe Flash Player - Adobe Flash Player is software used to stream and view video, audio and multimedia and Rich Internet Applications (RIA) on a computer or supported mobile device.
Adobe Sign - Adobe Sign is a cloud-based service that lets an individual or organization send, secure, track and manage e-signature processes.
ADP Mobile Solutions - ADP Mobile Solutions allows employees to use their mobile devices to access records such as their pay, schedules, time cards, retirement funds, benefits, contacts and calendar.
ADPCM - ADPCM (adaptive differential pulse-code modulation) is a technique for converting sound or analog information to binary information (a string of 0's and 1's) by taking frequent samples of the sound and expressing the value of the sampled sound modulation in binary terms.
ADPCM (adaptive differential pulse-code modulation) - ADPCM (adaptive differential pulse-code modulation) is a technique for converting sound or analog information to binary information (a string of 0's and 1's) by taking frequent samples of the sound and expressing the value of the sampled sound modulation in binary terms.
ADS - An alternate data stream (ADS) is a feature of Windows New Technology File System (NTFS) that contains metadata for locating a specific file by author or title.
ADSI - ADSI (Analog Display Services Interface) is the standard protocol for enabling alternate voice and data services, such as a visual display at the phone, over the analog telephone network.
ADSI (Analog Display Services Interface) - ADSI (Analog Display Services Interface) is the standard protocol for enabling alternate voice and data services, such as a visual display at the phone, over the analog telephone network.
ADSL - Also see Fast Guide to DSL.
ADSL (Asymmetric Digital Subscriber Line) - Also see Fast Guide to DSL.
ADSL Terminal Unit - Remote - An ATU-R (ADSL Terminal Unit - Remote), sometimes called an "ADSL modem," is a hardware unit that is installed in any computer that uses a telephone company connection with Asymmetric Digital Subscriber Line (ADSL) service.
ADSL Terminal Unit Remote - An ATU-R (ADSL Terminal Unit - Remote), sometimes called an "ADSL modem," is a hardware unit that is installed in any computer that uses a telephone company connection with Asymmetric Digital Subscriber Line (ADSL) service.
ADSM - ADSTAR Distributed Storage Management (ADSM) is a collective term for IBM's family of high-end software that helps a customer manage the storage devices (such as mainframe storage, PC disk drives, and Zip drives) that are scattered around the company.
ADSTAR Distributed Storage Management - ADSTAR Distributed Storage Management (ADSM) is a collective term for IBM's family of high-end software that helps a customer manage the storage devices (such as mainframe storage, PC disk drives, and Zip drives) that are scattered around the company.
ADSTAR Distributed Storage Management (ADSM) - ADSTAR Distributed Storage Management (ADSM) is a collective term for IBM's family of high-end software that helps a customer manage the storage devices (such as mainframe storage, PC disk drives, and Zip drives) that are scattered around the company.
adulting - Adulting is the assumption of tasks and behaviors associated with normal grown-up life, along with the implication that the individual in question does not particularly identify as an adult.
advanced analytics - Advanced analytics is a broad category of inquiry that can be used to help drive changes and improvements in business practices.
Advanced Business Application Programming - ABAP (Advanced Business Application Programming) is the primary programming language supported on the SAP NetWeaver ABAP application server platform and applications that run on it, such as SAP ERP (formerly R/3), S/4HANA and CRM.
Advanced Configuration and Power Interface - ACPI (Advanced Configuration and Power Interface) is an industry specification for the efficient handling of power consumption in desktop and mobile computers.
Advanced Encryption Standard - The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.
Advanced Encryption Standard (AES) - The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.
advanced evasion technique - An advanced evasion technique (AET) is a type of network attack that combines several different known evasion techniques on-the-fly to create a new technique that won't be recognized by an intrusion detection system.
advanced evasion technique (AET) - An advanced evasion technique (AET) is a type of network attack that combines several different known evasion techniques on-the-fly to create a new technique that won't be recognized by an intrusion detection system.
Advanced Function Printing - Advanced Function Printing (AFP) is an IBM architecture and family of associated printer software and hardware that provides document and information presentation control independent of specific applications and devices.
Advanced Intelligent Network - The Advanced Intelligent Network (AIN) is a telephone network architecture that separates service logic from switching equipment, allowing new services to be added without having to redesign switches to support new services.
advanced intelligent tape - AIT (advanced intelligent tape) is a magnetic tape and drive system used for computer data storage and archiving.
Advanced Interactive eXecutive - AIX is an open operating system from IBM that is based on a version of UNIX.
Advanced Message Queuing Protocol (AMQP) - Advanced Message Queuing Protocol (AMQP) is an open source published standard for asynchronous messaging by wire.
advanced metering infrastructure - Advanced metering infrastructure (AMI) is an architecture for automated, two-way communication between a smart utility meter with an IPaddress and a utility company.
advanced metering infrastructure (AMI) - Advanced metering infrastructure (AMI) is an architecture for automated, two-way communication between a smart utility meter with an IPaddress and a utility company.
Advanced Micro Devices - AMD is the second largest maker of personal computer microprocessors after Intel.
Advanced Mobile Phone Service - Advanced Mobile Phone Service (AMPS) is a standard system for analog signal cellular telephone service in the United States and is also used in other countries.
Advanced Mobile Phone Service (AMPS) - Advanced Mobile Phone Service (AMPS) is a standard system for analog signal cellular telephone service in the United States and is also used in other countries.
Advanced Peer to Peer Networking - Advanced Peer-to-Peer Networking (APPN), part of IBM's Systems Network Architecture (SNA), is a group of protocols for setting up or configuring program-to-program communication within an IBM SNA network.
Advanced Peer-to-Peer Networking - Advanced Peer-to-Peer Networking (APPN), part of IBM's Systems Network Architecture (SNA), is a group of protocols for setting up or configuring program-to-program communication within an IBM SNA network.
Advanced Peer-to-Peer Networking (APPN) - Advanced Peer-to-Peer Networking (APPN), part of IBM's Systems Network Architecture (SNA), is a group of protocols for setting up or configuring program-to-program communication within an IBM SNA network.
advanced persistent threat - An advanced persistent threat (APT) is a prolonged and targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period of time.
advanced persistent threat (APT) - An advanced persistent threat (APT) is a prolonged and targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period of time.
Advanced Planner and Optimizer - Advanced Planner and Optimizer (APO) is a set of software applications from the German-based software company SAP for supply chain management.
Advanced Planner and Optimizer (APO) - Advanced Planner and Optimizer (APO) is a set of software applications from the German-based software company SAP for supply chain management.
advanced planning and scheduling - Advanced planning and scheduling (APS) is a type of system that tracks costs based on the activities that are responsible for driving costs in the production of manufactured goods.
advanced planning and scheduling (APS) - Advanced planning and scheduling (APS) is a type of system that tracks costs based on the activities that are responsible for driving costs in the production of manufactured goods.
Advanced Program-to-Program Communication - APPC (Advanced Program-to-Program Communication, sometimes called LU 6.

ACC - ACT

ADV - AIT