Index - A
- A/UX
- AAC
- ABC
- ABI
- Abilene Network
- Access Log
- account
- ACE
- ACL
- Acorn MOS
- ACPI
- ACR
- ACR
- Actifed
- ActionScript
- Active Desktop
- Active Directory
- Active Scripting
- ActiveX
- ActiveX control
- Ad filtering
- Ad server
- Ad serving
- Ada
- ADB
- ADC
- Add-on
- ADO
- ADO.NET
- Adobe Acrobat
- Adobe Bridge
- AdSense
- ADSL
- ADSL modem
- Adversarial Information Retrieval
- adware
- AdWords
- AES
- AFC
- affiliate
- Affiliate marketing
- AfriNIC
- AGP
- AGP 1x
- AGP 2x
- AGP Pro
- AHCI
- AI
- AIFF
- AIM
- AirPort
- AIT
- AIX
- Ajax
- Alcon
- Alefox
- Alexa Internet
- ALGOL
- ALGOL 58
- algorithm
- Alt key
- AltaVista
- ALU
- ALZip
- Amazon ECS
- Amazon FPS
- Amazon Mechanical Turk
- Amazon S3
- Amazon SQS
- Amazon.com
- AMD
- AMD K5
- AMD64
- Amiga
- Amiga UNIX
- AmigaOS
- AMosaic
- AMPS
- AMR
- AMR
- AND
- Android
- ANSI
- anti-virus software
- AntiCMOS
- AntiCMOS.B
- Antinny
- AO/DI
- AOL
- AOL Explorer
- Apache
- Apache OFBiz
- Aperture Grill
- API
- APM
- APN
- APNIC
- APOP
- Apple DOS
- Apple Lossless
- AppleScript
- AppleTalk
- Application Software
- APS
- Aqua
- ARA
- ARC
- Architecture
- archive
- ARCNET
- ARCV-n
- Arena
- Arexx
- ArgoUML
- ARIB
- ARIN
- ARM
- ARP
- ARP
- ARPANET
- Arthur
- ArVid
- ARX
- AS
- AS/400
- ASC
- ASCII
- ASF
- ASIC
- ASK
- ASMP
- ASP
- ASP
- ASP.NET
- Assembly Language
- ASTN
- ASUS
- AT
- AT commands
- AT&T
- ATA
- ATAG
- Atari DOS
- Athlon
- Athlon 64
- ATI Technologies
- ATL
- ATM
- ATM
- ATOK
- ATRAC
- ATSC
- ATU
- ATX
- Audio Compression
- AUI
- Authoring
- AuthXML
- Autotel
- Auxiliary Memory
- Avant Browser
- AVCHD
- AVI
- AVL
- AWS
- AWT