Alphabetical list of Information Technology terms beginning with 'A'

• A Programming Language (APL)
• A-list Blogger
• A/B Test
• Abandonment
• Abandonware
• ABAP Objects
• Abnormal End (ABEND)
• Absolute Cell Reference
• Abstract Class
• Abstract Class
• Abstract IL
• Abstract State Machine Language (AsmL)
• Abstract Syntax Notation (ASN.1)
• Abstract Window Toolkit (AWT)
• Abstraction
• Academic Retail Software
• ACCDB File Format
• Accelerated Graphics Port (AGP)
• Accelerated Hub Architecture (AHA)
• Accelerator Board
• Accelerometer
• Acceptable Use Policy (AUP)
• Access
• Access Code
• Access Control
• Access Control Entry (ACE)
• Access Control List (ACL)
• Access Control List (Microsoft) (ACL)
• Access Method
• Access Modifiers
• ACCESS.bus (A.b)
• Accessible Member
• Accessor
• Accounting
• Accounting Software
• Accreditation
• ACD Canvas
• Acoustic Coupler
• Acronym Expansion
• Acrylic
• ActionScript
• Active Attack
• Active Component
• Active Content
• Active Database Management System (ADBMS)
• Active Directory (AD)
• Active Directory Application Mode (ADAM)
• Active Impostor Acceptance
• Active Reconnaissance
• Active Server Pages (ASP pages)
• Active Template Library (ATL)
• Active-Matrix Liquid Crystal Display (AMLCD)
• Active-Matrix OLED
• ActiveMovie
• ActiveX
• ActiveX Control
• ActiveX Data Object.NET (ADO.NET)
• ActiveX Data Objects (ADO)
• Activity Diagram
• Acyclic
• Ad Hoc On-Demand Distance Vector (AODV)
• Ad Hoc Polymorphism
• Ad-Aware
• Ada
• Adaptive Differential Pulse Code Modulation (ADPCM)
• Adaptive Packet Assembly (APA)
• Adaptive Route
• Adaptive Software
• Add-In
• Add/Drop Multiplexer (ADM)
• Address Book
• Address Bus
• Address Resolution Protocol (ARP)
• Address Resolution Protocol Spoofing (ARP Spoofing)
• Address Space
• Address-of Operator (&)
• Adminispam
• Administrative Domain (AD)
• Adobe Acrobat
• Adobe AIR
• Adobe Audition
• Adobe Edge
• Adobe Flash
• Adobe Integrated Runtime (AIR)
• Adobe Wallaby (Wallaby)
• Advanced Audio Coding (AAC)
• Advanced Authoring Format (AAF)
• Advanced Business Application Programming (ABAP)
• Advanced Business Application Programming Workbench (ABAP Workbench)
• Advanced Encryption Standard (AES)
• Advanced Function Presentation (AFP)
• Advanced Interactive eXecutive (AIX)
• Advanced Microcontroller Bus Architecture (AMBA)
• Advanced Program-to-Program Communication (APPC)
• Advanced Research Projects Agency (ARPA)
• Advanced Research Projects Agency Network (ARPANET)
• Advanced RISC Computing (ARC)
• Advanced RISC Machine (ARM)
• Advanced Systems Format (ASF)
• Advanced Technology Extended (ATX)
• Advertising
• Advertising Network (Ad Network)
• Adware
• Affiliate Agreement
• Affiliate Link
• Affiliate Program
• Affiliate Reporting Service
• After Power Failure
• After-Sales Support
• Agent
• Aggregate Event
• Agile Software Development
• Air Cooling
• Air Gap
• Alan Turing
• Algorithm
• Aliasing
• All Your Base Are Belong To Us
• All-Cloud Environment
• All-In-One Printer
• Alliance to Save Energy (ASE)
• ALOHA
• Alpha Channel
• Alpha Geek
• Alpha Test
• Alpha Value
• Alphanumeric
• Alt-Tab
• Amazon CloudFront
• Amazon CloudWatch
• Amazon Elastic Compute Cloud (Amazon EC2)
• Amazon ElastiCache
• Amazon Relational Database Service (Amazon RDS)
• Amazon Simple Queue Service (Amazon SQS)
• Amazon Simple Storage Service (Amazon S3)
• Amazon SimpleDB
• Amazon Virtual Private Cloud (Amazon VPC)
• Amazon Web Services (AWS)
• Ambient Networks
• Ambient Temperature
• AMD Fusion
• AMD Virtualization (AMD-V)
• Amdahl's Law
• America COMPETES Reauthorization Act of 2010
• American Society for Testing and Materials Continuity of Care Record (ASTM-CCR)
• American Standard for Information Interchange (ASCII)
• AMIBIOS
• Analog Display Service Interface (ADSI)
• Analog Roaming
• Analog-to-Digital Converter (ADC)
• Anchor
• Andrew File System (AFS)
• Android
• Android App
• Android Cell Phone
• Android Debug Bridge (ADB)
• Android Device
• Android Eclair
• Android Froyo (Android 2.2)
• Android G1
• Android Gingerbread
• Android Ice Cream Sandwich (ICS)
• Android Market
• Android Operating System
• Android OS
• Android Platform
• Android SDK
• Android Tablet
• Angel Operating System
• Animated GIF
• Anisotropic Filtering (AF)
• Anna Kournikova Virus
• Annotation
• Annoybot
• Annoyware
• Annual Change Traffic (ACT)
• Anonoblog
• Anonymity Network
• Anonymizer
• Anonymous
• Anonymous (Computing)
• Anonymous Email
• Anonymous File Transfer Protocol (AFTP)
• Anonymous Login
• Anonymous Method
• Anonymous Post
• ANSI Bomb
• Answer-Only Modem
• Ant Farming
• ANT+
• Antenna
• Antenna Array
• Anti-Adware
• Anti-Spyware (apyware)
• Anti-Static Mat
• Anti-Virus Killer (AV Killer)
• Anti-Virus Software
• Antialiasing
• Anything But Microsoft (ABM)
• Apache Ant
• Apache Hadoop
• Apache Portals Project
• Apache Subversion
• App
• App Economy
• App Store
• Appending Virus
• Apple Desktop Bus (ADB)
• Apple TV
• AppleScript
• Applet Container
• Appletalk
• AppleTalk Address Resolution Protocol (AARP)
• AppleTalk Filing Protocol (AFP)
• Appliance Computing
• Application Assembler
• Application Base
• Application Client
• Application Client Container (ACC)
• Application Client Module
• Application Compatibility Toolkit (ACT)
• Application Component Provider
• Application Domain
• Application Framework
• Application Gateway
• Application Integration
• Application Layer
• Application Lifecycle Management (ALM)
• Application Link Enabling (ALE)
• Application Log
• Application Management (AM)
• Application Portfolio
• Application Portfolio Management (APM)
• Application Programming Interface (API)
• Application Programming Interface - Java (API)
• Application Programming Model (APM)
• Application Service Provider (ASP)
• Application Sharing
• Application Software
• Application State
• Application Virtualization
• Application-Specific Integrated Circuit (ASIC)
• AppScale
• Arcade Game
• ARccOS
• Archie
• Architecture Neutral Distribution Format (ANDF)
• Arduino
• Arithmetic Logic Unit (ALU)
• Arithmetic Operator
• Arithmetic Operators
• Armored Virus
• Array
• Array Formula
• Artificial Intelligence (AI)
• Artificial Linguistic Computer Entity (ALICE)
• Artificial Neural Network (ANN)
• As Operator
• ASCII Art
• Asia Pacific Network Information Centre (APNIC)
• ASP.NET
• ASP.NET Server Control
• Aspect-Oriented Programming (AOP)
• Assembly Language
• Assignment Operator
• Assignment Operator
• Assisted GPS (A-GPS)
• Astronomical Markup Language (AML)
• Asus Eee
• Asymmetric Digital Subscriber Line (ADSL)
• Asynchronous Groupware
• Asynchronous JavaScript and XML (AJAX)
• Asynchronous Messaging
• Asynchronous Method Call
• Asynchronous Transfer Mode (ATM)
• Asynchronous Transmission
• AT Command Set
• ATI Avivo High Definition (ATI Avivo HD)
• Atom
• Atomic
• Atomic Operation
• Atomicity
• Atomicity Consistency Isolation Durability (ACID)
• Attached Resource Computer Network (ARCNET)
• Attenuation
• Attenuation-to-Crosstalk Ratio (ACR)
• Attribute
• Attribute
• Attribute
• Auction Sniping
• Audio Home Recording Act (AHRA)
• Audio Modem Riser (AMR)
• Audit Trail
• Augusta Ada King
• Authenticated Post Office Protocol (APOP)
• Authentication
• Authentication Authorization and Accounting (AAA)
• Authentication Center (AuC)
• Authentication Header (AH)
• Authorization
• Authorized Education Reseller (AER)
• Authorized Programming Analysis Report (APAR)
• Auto Dialer
• Auto Negotiation
• Auto-Answer
• Auto-Partitioning
• AutoCAD
• Autodesk Animator
• Autodesk Inventor
• Autodiscovery
• Automagically
• Automated Clearing House Network (ACH Network)
• Automated Fingerprint Identification System (AFIS)
• Automated Health Practice Management
• Automated Litigation Support (ALS)
• Automated Merchandising
• Automated Treatment Plan
• Automatic Backup System (ABS)
• Automatic Call Distributor (ACD)
• Automatic Document Feeder (ADF)
• Automatic Fall-over
• Automatic Identification (Auto ID)
• Automatic Identification and Data Capture (AIDC)
• Automatic Location Identification (ALI)
• Automatic Memory Management (AMM)
• Automatic Number Identification (ANI)
• Automatic Private IP Addressing (APIPA)
• Automatic Repeat reQuest (ARQ)
• Automatic Summarization
• Automatic Test Equipment (ATE)
• Autonomic Computing
• Autonomous System (AS)
• Autosense
• Auxiliary Port (AUX)
• Avahi
• Availability
• Availability Management
• Avatar
• Average Hold Time (AHT)
• Azure Fabric Controller
• Azure Service Platform