- A Programming Language
- A record
- A+ certification
- A-0
- A-GPS
- A-Law
- A-OLs
- A.L.I.C.E.
- A/B box
- a/b/g router
- a/b/g/n router
- A/D conversion
- A/D converter
- A/S/L
- A/UX
- A/V
- A/V drive
- A/V plugs
- A/V ports
- A/V receiver
- A20 line
- A2WML
- A4
- A4 paper
- A6 record
- A:
- a:install
- AA
- AAA
- AAA server
- AAAA record
- AAC
- AAC protected
- aacPlus
- AAL
- AAUI
- abacus
- abandonware
- ABAP/4
- ABARS
- ABC
- ABC FlowCharter
- ABC Graphics Suite
- abc's
- ABCD
- abcs
- Abelene
- abend
- Abend-AID
- ABI
- Abilene
- ablative WORM
- abort
- Abort, Retry...
- About Box
- About this encyclopedia
- About this product
- above the line
- ABR
- ABS
- absolute
- absolute address
- absolute coding
- absolute link
- absolute path
- absolute reference
- absolute URL
- absolute vector
- absolute zero
- abstract class
- abstract data type
- abstract identifier
- abstract superclass
- Abstract Windowing Toolkit
- abstraction
- abstraction layer
- abstraction level
- AC
- AC '97
- AC adapter
- AC'97
- AC-1
- AC-2
- AC-3
- AC97
- Acacia
- ACAP
- ACATS
- ACC
- Accelerated Graphics Port
- Accelerated Hub Architecture
- acceleration
- acceleration services
- accelerator
- accelerator board
- accelerometer
- Accelis
- ACCELL/SQL
- Accenture
- acceptable use policy
- acceptance angle
- acceptance test
- access
- access arm
- access charge
- access code
- access concentrator
- access control
- access control list
- access control protocol
- access denied
- access line
- access list
- access method
- access mode
- access network
- access number
- access point
- access provider
- access rights
- access router
- access server
- access tandem
- access technology
- access tiering
- access time
- access token
- ACCESS.bus
- accessibility
- accessory card
- accident
- account
- account control
- account number
- account policy
- accountability
- accounting machine
- accounts payable software
- accounts receivable software
- accumulator
- accuracy
- ACD
- ACE
- ACF
- ACGNJ
- ACH
- ACID
- ACIS
- ACK
- acknowledgment code
- Acknowledgments
- ACL
- ACM
- acoustic coupler
- acoustic fingerprint
- ACP
- ACPI
- ACR
- Acrobat
- Acrobat Distiller
- Acrobat Exchange
- Acrobat file
- Acrobat forms
- Acrobat Pro
- Acrobat Reader
- acronym
- Acroread
- ACS
- ACT
- ACT!
- actionable intelligence
- ActionScript
- activate
- activation server
- active addressing
- active archiving
- active area
- active cell
- Active Channel
- active component
- active content
- Active Desktop
- Active Directory
- Active Directory server
- active display
- active hub
- active hyperlink
- active link
- Active Management Technology
- active matrix
- active matrix display
- active monitor
- Active Movie
- active network
- active operating system fingerprinting
- active partition
- active RFID tag
- Active Server Page
- active star
- Active Streaming Format
- Active Template Library
- active testing
- active window
- ActiveMovie
- ActiveWorks
- ActiveX
- ActiveX automation
- ActiveX component
- ActiveX control
- ActiveX Documents
- ActiveX object
- ActiveX Server Component
- ActiveX-enabled browser
- ACTOR
- ACTS
- actuator
- actuator arm
- ad
- ad banner
- ad blocker
- AD converter
- ad hoc
- ad hoc mode
- ad hoc network
- ad hoc query
- Ad Lib
- ad network
- ad rotation
- ad server
- ad serving
- ad view
- Ad-aware
- ad-supported software
- AD/Cycle
- Ada
- Adabas
- ADAPSO
- adapter
- adapter bindings
- adapter card
- adaption kit upgrade
- adaptive bridge
- adaptive compression
- adaptive computing
- adaptive cruise control
- adaptive equalization
- adaptive hypermedia
- adaptive hypertext
- adaptive logic
- adaptive routing
- Adaptive Server Enterprise
- adaptive Web site
- adaptor
- ADAT
- ADB
- ADC
- ADCCP
- ADCPM
- add-in, add-on
- add/drop multiplexer
- adder
- additive fabrication
- address
- address book
- address bus
- address cleansing
- address decoder
- address lookup utilities
- address mode
- address register
- address resolution
- address resolution protocol
- address space
- address translation
- addressable
- addressable cursor
- adds, moves and changes
- ADE
- ADF
- ADIC
- ADM
- ADMD
- admin
- administrative area map level
- administrator
- administrivia
- ADO
- ADO.NET
- Adobe
- Adobe AIR
- Adobe Director
- Adobe Document Server
- Adobe Extreme
- Adobe Flash
- Adobe Flex
- Adobe fonts
- Adobe Illustrator
- Adobe Integrated Runtime
- Adobe Photoshop
- Adobe Reader
- Adobe RGB
- Adobe Type Align
- Adobe Type Manager
- ADODB
- ADOX
- ADP
- ADP system
- ADPCM
- adress
- ADRS
- ADS
- AdSense
- adserver
- ADSI
- ADSL
- ADSL Lite
- ADSL splitter
- ADSM
- ADT
- Advanced Configuration and Power Interface
- Advanced Data Connector
- Advanced MC
- Advanced Pick
- Advanced Power Management
- Advanced Research Projects Agency
- Advanced Revelation
- Advanced TCA
- Advanced Video Codec
- Advanced Video Coding
- AdvancedMC
- AdvancedTCA
- AdvanceNet
- advergame
- advertiser supported software
- Advisor
- advisory
- ADW
- adware
- AdWords
- AE
- aerial density
- Aero
- Aero Glass
- AES
- AES-CCMP
- AES/EBU
- AES3
- AFAIK
- AFC
- AFE
- affinity group
- affinity ISP
- aficionado
- AFIPS
- AFK
- AFM
- AFM file
- AFP
- AFP printer
- AFPL
- AfriNIC
- AFS
- AFSMI
- After Dark
- agent
- agent turnover
- aggragator
- aggregate
- aggregate function
- aggregator
- AGI
- agile development
- agile software development
- AgileAlliance
- Agilent
- AGP
- aGPS
- AGPset
- agregator
- Ah
- AI
- AI file
- AIBO
- AICPA ITMS
- AIDC
- AIFC file
- AIFF
- AIFF file
- AIIM
- AIM
- AIM/AOL
- AIML
- AIMM
- AIN
- AIO
- AIR
- air card
- air interface
- Air2Web
- aireal density
- airial density
- AirPort
- AirPort Express
- AirPort Extreme
- AirTunes
- AIS
- AIT
- AITP
- AIX
- AJAX
- AJAX engine
- AJAX framework
- AJAXian app
- Akamai
- akick
- Akomy
- AKU
- AKU1
- AKU2
- alarm
- alarm filtering
- ALC
- Aldus
- Aldus FreeHand
- Aldus Persuasion
- ALE
- alert
- alert box
- algebraic expression
- ALGOL
- algorithm
- algorithmic language
- alias
- aliased
- aliasing
- ALICE
- alien crosstalk
- all optical
- all points addressable
- all rights
- All-In-1
- all-in-one
- all-in-one computer
- all-in-one PC
- all-optical network
- Allaire Spectra
- allClear
- alliances
- allocate
- allocation unit
- allotrope
- alloy
- ALM
- ALOHA
- Alpha
- alpha blending
- alpha channel
- Alpha Five
- Alpha Four
- alpha geek
- alpha release
- alpha test
- alpha version
- alphageometric
- alphamosaic
- alphanumeric
- alphanumeric sort
- alphanumerish
- Alt key
- alt newsgroup
- ALT text
- Alta Vista
- Altair
- AltaVista
- alternate routing
- alternating current
- AlterNet
- Alto
- ALU
- always on
- AM
- AM-LCD
- AM-OLED
- Am286
- Am386
- Am486
- Am586
- Am5x86
- AMA
- Amara's law
- AMASS
- amateur radio
- Amaya
- Amazon Elastic Compute Cloud
- Amazon.com
- ambient
- ambient lighting
- ambiguous user
- Ambra
- AMC
- AmCoEx
- AMD
- AMD LIVE!
- AMD Virtualization
- AMD-V
- AMD64
- AMD64 sockets
- Amdahl
- Amdahl's law
- AME
- America Online
- American Bell
- American Computer Exchange
- American Federation of Information Processing
- American National Standards Institute
- American Registry for Internet Numbers
- American Standard Code for Information Interchange
- AMI
- AMI BIOS
- Ami Pro
- AMI2
- Amiga
- AmigaOne
- AmigaOS
- AMLCD
- AMOLED
- amorphous
- amorphous semiconductor
- amorphous silicon
- amp
- amp-hour
- ampere
- ampere-hour
- ampersand
- ampersand codes
- Ampex
- amplifier
- amplifier classes
- amplitude
- amplitude modulation
- AMPS
- AMPS modem
- AMR
- AMT
- analog
- analog broadcast
- analog camera
- analog cassette
- analog channel
- analog component video
- analog computer
- analog copy machine
- analog data
- analog domain
- analog film
- analog hole
- analog input
- analog line
- analog modem
- analog modulation
- analog monitor
- analog phone
- analog phone adapter
- analog QAM
- analog signal generator
- analog telephone adapter
- analog telephony
- analog telephony adapter
- analog video
- analog-digital conversion
- analog-digital converter
- analog-to-digital conversion
- analog-to-digital converter
- analogue
- analogue broadcast
- analogue camera
- analogue cassette
- analogue computer
- analogue domain
- analogue film
- analogue hole
- analogue input
- analogue modem
- analogue phone
- analogue-to-digital converter
- analysis
- analyst
- analytical database engine
- Analytical Engine
- anamorphic
- anamorphic DVD
- anamorphic lens
- anchor
- anchor tag
- anchor text
- AND-OR-NOT
- Andersen Consulting
- ANDF
- Android
- Android G1
- Android G2
- Android Magic
- Android Market
- angel investor
- angle brackets
- angstrom
- ANI
- animated anchor
- animated cursor
- animated GIF
- animated graphics
- animation
- anion
- anisotropic
- ANN file
- anneal
- annoybot
- annoyware
- anode
- anomaly
- anomaly detection
- anonymity application
- Anonymizer
- anonymous
- anonymous FTP
- anonymous post
- anonymous proxy
- anonymous remailer
- anonymous server
- anonymous surfing
- anonymous Web proxy
- anonymous Web surfing
- ANS
- ANSEL character set
- ANSI
- ANSI character set
- ANSI lumen
- ANSI terminal
- ANSI X12
- ANSI.SYS
- answer mode
- answer only modem
- Answers.com
- Ant
- antenna diversity
- anthropomorphic
- anti-aliasing
- anti-blooming
- anti-glare filter
- anti-glare screen
- anti-malware
- anti-parasite software
- anti-piracy
- anti-spam
- anti-spyware
- anti-static
- anti-virus
- antialiasing
- anticiparallelism
- antidisintermediation
- antifuse
- antimalware
- antispam
- antispyware
- antistatic
- antistatic bag
- antistatic device
- antistatic liquid
- antistatic mat
- antistatic strap
- antistatic wristband
- antitrust cases
- antiviral program
- antivirus
- antivirus program
- antivirus scanner
- antivirus software
- ANVIL
- any key
- anycast
- Anynet
- AO/DI
- AOCE
- AOD
- AODV
- AoE
- AOL
- AOL Instant Messenger
- aol.com
- AOL/AIM
- AOLS
- AOLTV
- AON
- AOP
- AOPed
- AOS
- AP
- APA
- Apache
- Apache Web server
- APC
- APCUG
- aperture
- aperture card
- aperture grille
- API
- APIC
- APIPA
- APL
- Aplio/Phone
- APM
- APNIC
- apogee
- Apollo
- APON
- app
- app bloat
- app code
- App Store
- app streaming
- App-V
- APPC
- AppCenter Server
- append
- appgen
- Apple
- Apple Desktop Bus
- Apple DRM
- Apple Events
- Apple File Exchange
- Apple II
- Apple III
- Apple Intel transition
- Apple key
- Apple Lossless
- Apple menu
- Apple set-top box
- Apple Tax
- Apple TV
- Apple video hub
- Apple-IBM alliance
- AppleScript
- AppleShare
- AppleShare PC
- AppleSoft BASIC
- applet
- AppleTalk
- AppleTalk Filing Protocol
- applett
- AppleWorks
- appliance
- application
- application adapter
- application binary interface
- Application Center
- application centric
- application developer
- application development environment
- application development language
- application development system
- Application Development Workbench
- application distribution program
- Application Error
- Application Execution Error
- application extension
- Application Foundation Classes
- application framework
- application gateway
- application generator
- application integration
- application layer
- application lifecycle management
- application logic
- application management system
- Application Master
- application notes
- application package
- application partitioning
- application processor
- application program
- application program interface
- application program library
- application programmability
- application programmer
- application programming interface
- application proxy
- application server
- application server computing
- application service provider
- application services
- application sharing
- application software
- application stack
- application streaming
- application suite
- application viewing
- application virtualization
- application window
- application-level gateway
- applications management
- applications programmer
- applications software
- APPN
- Approach
- apps on tap
- appserver
- AppV
- AppWare
- APT
- aptitude tests
- arachniography
- Arago
- ARAX
- arbitrated loop
- arbitration
- Arbor Software
- ARC
- ARC server
- ArchestrA
- Archie
- Archistrat computer
- architecture
- architecture neutral
- architecture police
- archive
- archive attribute
- archive bit
- archive file
- archive formats
- archive program
- archived file
- archiving
- archiving program
- ARCNET
- Ardent
- ARDIS
- area array package
- areal density
- arg
- argc
- argument
- argv
- Aries
- ARIN
- arithmetic coding
- arithmetic expression
- arithmetic logic unit
- arithmetic operators
- arithmetic overflow
- arithmetic underflow
- ARJ
- ARM
- ARM chips
- Armada
- armon
- aromaware
- ARP
- ARPAnet
- ARPU
- ARQ
- array
- array element
- array processor
- ARRL
- arrow key
- ART
- artefact
- Article 2B
- artifact
- artificial intelligence
- artificial language
- artificial life
- artilect
- AS
- AS/400
- AS/400 Integrated PC Server
- AS400
- ASA film speed
- ASA setting
- ASC White
- ASC X12
- ascender
- ascending sort
- ASCI White
- ASCII
- ASCII art
- ASCII characters
- ASCII chart
- ASCII file
- ASCII protocol
- ASCII sort
- ASCII table
- ASCII terminal
- ASCII text
- ASCII text file
- ASCII transfer
- ASCII value
- ASCII-based domain name
- ASCIIbetical
- ASDL
- ASE
- ASF
- Ashton-Tate
- ASIC
- ASK
- askSam
- ASM
- ASMO
- ASMP
- ASN
- ASN.1
- ASP
- ASP Industry Consortium
- ASP+
- ASP.NET
- aspect ratio
- Aspen
- asperand
- ASPI
- ASR
- assembler
- assembly language
- assignment statement
- assistive technology
- associate
- associating files
- Association for Computing Machinery
- Association for Systems Management
- Association of Shareware Professionals
- associative storage
- ASSP
- assurance
- AST
- asterisk
- Asterisk PBX
- astroturfing
- ASX file
- asymmetric
- asymmetric compression
- asymmetric cryptography
- asymmetric encryption
- asymmetric modem
- asymmetric multiprocessing
- asymmetric system
- asynchronous
- asynchronous communications
- asynchronous communications server
- asynchronous I/O
- asynchronous mode
- asynchronous protocol
- Asynchronous Protocol Specification
- asynchronous transfer mode
- asynchronous transmission
- AT
- AT Attachment
- AT bus
- AT class
- AT command set
- AT interface
- AT keyboard
- AT keyboard connector
- AT motherboard
- at sign
- At Work
- AT&T
- AT&T GIS
- AT&T WorldNet
- AT-PS/2 adapter
- ATA
- ATA drive
- ATA flash
- ATA over Ethernet
- ATA RAID
- ATA-100
- ATA-2
- ATA-3
- ATA-33
- ATA-4
- ATA-66
- ATA/IDE
- ATAPI
- ATAPI drive
- Atari
- ATASPI
- ATCA
- ATE
- ATG Dynamo
- Athens
- Athlon
- Athlon 64
- Athlon 64 X2
- Athlon XP
- ATI
- ATL
- Atlas
- ATM
- ATM Forum
- ATM machine
- ATM NIC
- ATM.INI
- ATM155
- ATM25
- atom
- atomic
- atomic force microscope
- atomic layer deposition
- atomic operation
- ATRAC3
- ATSC
- ATSC converter box
- ATSC tuner
- attach a file
- attached document
- attached processor
- attaching a file
- attachment
- attachment unit interface
- attack
- attack vector
- attacker
- attenuation
- atto
- Attrib
- attribute
- ATU
- ATU-C
- ATU-R
- ATV
- ATV Forum
- ATVEF
- ATX
- ATX motherboard
- AU file
- auction sniping
- auctions
- Audible
- Audible.com
- AudibleAir
- audio
- audio adapter
- audio blog
- audio board
- audio browser
- audio cable
- audio card
- audio cassette
- audio cassette player
- audio cassette recorder
- audio CD
- audio chat
- audio codec
- audio compression
- audio conferencing
- audio disc
- audio editor
- audio file
- audio files
- audio fingerprint
- audio format
- audio formats
- audio instant messaging
- audio jack
- audio media
- Audio Modem Riser
- audio on demand
- audio response
- audio ripper
- audio scrubbing
- audio server
- audio streaming
- audio tag
- audio tag editor
- audio tagger
- audio video
- audio video connectors
- audio visual
- audio visual ports
- audio watermark
- audio/video receiver
- audioblog
- audioblogging
- audiocast
- audioconference
- audioconferencing
- audiographics
- audiophile
- Audioscrobbler
- audiotex
- audiotext
- audiovisual
- audit
- audit software
- audit trail
- augmentation system
- augmented reality
- augmented virtuality
- AUI
- AUP
- Austin Computer
- authenticate
- authentication
- authentication server
- authentication system
- authentication token
- authenticator
- authenticity
- Authenticode
- authoring language
- authoring program
- authoring system
- authoritative server
- authority server
- authorization
- authorization code
- Authorware
- auto
- auto answer
- auto attendant
- auto baud detect
- auto bypass
- auto complete
- auto dial
- auto fill
- auto hide
- Auto Insert Notification
- auto line feed
- auto login
- auto logon
- auto MDI/MDI-X
- auto MDI/MDIX
- auto negotiate
- auto redial
- auto refresh
- auto reliable
- auto restart
- auto resume
- auto run
- auto save
- auto scroll
- auto sense
- auto start
- auto trace
- auto type
- auto-responder
- autobaud rate
- AutoCAD
- autocasting
- autochanger
- autocoder
- autocomplete
- autoconfiguration addressing
- Autoconfiguration IP address
- AutoCorrect
- Autodesk
- AUTODIN
- AUTOEXEC.BAT
- autofill
- autoflow
- autohide
- AutoLISP
- autoloader
- automagic
- automagically
- automata theory
- automate
- automated checkout
- automated clearing house
- automated provisioning
- automatic call distributor
- automatic car
- automatic data processing
- automatic design optimization
- automatic feature negotiation
- automatic MDI/MDI-X
- automatic MDI/MDIX
- automatic number identification
- Automatic Private IP Addressing
- automatic provisioning
- automatic read notification
- automatic read receipts
- automatic repeat request
- automatic teller machine
- automatic test equipment
- automatic vehicle location
- automation
- automation client
- automation controller
- automation language
- automation product
- automation programming language
- automation server
- automobile
- automobile systems
- automotive systems
- automounting
- autonegotiate
- autonomic computing
- autonomous system
- autonomous vehicle
- Autoplay
- autopolling
- autoresponder
- autorestart
- autorun
- autosave
- autoscroll
- autosense
- autosizing
- AutoSketch
- autostart
- autostart routine
- autosum
- AutoText
- autotrace
- autotype
- AUX
- auxiliary jack
- auxiliary memory
- auxiliary port
- auxiliary storage
- AV
- AV drive
- AV plugs
- AV ports
- AV receiver
- availability
- Avalon
- Avant Stellar keyboard
- avatar
- AVC
- AVI
- avionics
- AVL
- AVR
- AVS
- AVSR
- AWadvs-01
- Award BIOS
- AWC
- AWE32
- AWE64
- AWG
- AWGTHTGTTA
- awk
- AWT
- AX
- Axapta
- aXe
- Axiant
- AXP
- AYT
- AZERTY
- AZERTY keyboard
- azimuth
- Azure
- Azure Services Platform
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