Search Icon

Don't miss an insight. Subscribe to Techopedia for free.

Subscribe

Technology Dictionary

Trending Terms Icon for trending terms
Website
Information and Communications Technology
Database Management System
Computer
Root Cause Analysis
Firmware
Netiquette
PowerPoint Slideshow

IT Terms beginning with A

A Programming Language (APL)
A Record
A+ Certification
A-E
A-GPS
A-Law
A-list Blogger
A.b
A1 Security
A16Z
A2P Messaging
AAA
AaaS
AaaS
AAC
AAF
Aakash
Aaron's Law
AARP
AB Testing
ABAC
Abandonment
Abandonware
ABAP
ABAP Memory
ABAP Objects
ABAP Workbench
ABEND
ABI Software
ABM
Abnormal End (ABEND)
ABPD
ABR
ABS
ABS
Absolute Cell Reference
Absolute Path
Abstract Class
Abstract Class
Abstract Data Type
Abstract IL
Abstract State Machine Language (AsmL)
Abstract Syntax Notation One (ASN.1)
Abstract Syntax Tree (AST)
Abstract Window Toolkit (AWT)
Abstraction
Academic Retail Software
ACC
ACCDB File Format
Accelerated Graphics Port (AGP)
Accelerated Hub Architecture (AHA)
Accelerated Mobile Page (AMP)
Accelerator
Accelerator Board
Accelerometer
Acceptable Spam Report Rate
Acceptable Use Policy (AUP)
Access
Access Code
Access Control
Access Control Entry (ACE)
Access Control Facility (ACF2)
Access Control List (ACL)
Access Control List (Microsoft) (ACL)
Access Control System (ACS)
Access Governance
Access Management (AM)
Access Method
Access Modifiers
Access Port
Access Specifier
ACCESS.bus (A.b)
Accessibility
Accessibility Testing
Accessible Member
Accessor
Account Hijacking
Accounting
Accounting as a Service (AaaS)
Accounting Software
Accreditation
Accredited Standards Committee X12 (ASC X12)
Accumulator
ACD
ACD Canvas
ACE
ACF2
ACH Network
ACID
ACK
Acknowledgement Code (ACK)
ACL
ACL
ACM
Acoustic Coupler
ACPI
Acqhire
ACR
ACR
Acronym
Acronym Expansion
Acrylic
Acrylonitrile Butadiene Styrene (ABS)
ACS
ACT
ACT
Action Center
Actionable Insight
ActionScript
Activation Function
Activation Key
Active Attack
Active Component
Active Content
Active Database Management System (ADBMS)
Active Directory (AD)
Active Directory Application Mode (ADAM)
Active Directory Federated Services (ADFS)
Active Directory Logging
Active Directory Management (AD Management)
Active Directory Monitoring (AD Monitoring)
Active Directory Security
Active Fault Management
Active Impostor Acceptance
Active Matrix Organic Light-Emitting Diode (AMOLED)
Active Radio Frequency Identification (Active RFID)
Active Reconnaissance
Active RFID
Active Server Pages (ASP)
Active Template Library (ATL)
Active Threat Management
Active-Matrix Liquid Crystal Display (AMLCD)
Active-Matrix OLED (AMOLED)
ActiveMovie
ActiveX
Activex Control
ActiveX Data Object.NET (ADO.NET)
ActiveX Data Objects (ADO)
Activity Diagram
Activity Stream
Activity Tracker
Actor Model
Actuator
Acyclic
AD
AD
Ad Blocker
Ad Hoc Analysis
Ad Hoc Network
Ad Hoc On-Demand Distance Vector (AODV)
Ad Hoc Polymorphism
Ad Hoc Query
Ad Hoc Reporting
AD Management
AD Monitoring
Ad Network
Ad Space
Ad Targeting
Ad Tech
Ad-Aware
Ad-Hoc Mode
AD/Cycle
Ada
ADaaS
AdaBoost
ADAM
Adaptive Differential Pulse Code Modulation (ADPCM)
Adaptive Multi-Rate (AMR)
Adaptive Packet Assembly (APA)
Adaptive Resonance Theory (ART)
Adaptive Route
Adaptive Software
ADB
ADB
ADBMS
ADC
ADC
Add-In
Add-On Manager
Add/Drop Multiplexer (ADM)
Additionality
Address Bar
Address Book
Address Bus
Address Record (A Record)
Address Resolution
Address Resolution Protocol (ARP)
Address Resolution Protocol Cache (ARP Cache)
Address Resolution Protocol Poisoning (ARP Poisoning)
Address Resolution Protocol Spoofing (ARP Spoofing)
Address Space
Address Verification Service (AVS)
Address-of Operator (&)
ADE
ADF
ADFS
Adiabatic Cooling
ADM
Adminispam
Administrative Domain (AD)
Administrative Privileges
ADO
ADO.NET
Adobe Acrobat
Adobe AIR
Adobe Audition
Adobe Edge
Adobe Flash
Adobe Integrated Runtime (AIR)
Adobe Photoshop
Adobe Wallaby (Wallaby)
ADPCM
ADSI
ADSL
Advanced Analytics
Advanced Audio Coding (AAC)
Advanced Authoring Format (AAF)
Advanced Business Application Programming (ABAP)
Advanced Business Application Programming Workbench (ABAP Workbench)
Advanced Configuration And Power Interface (ACPI)
Advanced Encryption Standard (AES)
Advanced Function Presentation (AFP)
Advanced Interactive eXecutive (AIX)
Advanced Message Queuing Protocol (AMQP)
Advanced Metering Infrastructure (AMI)
Advanced Microcontroller Bus Architecture (AMBA)
Advanced Peer-To-Peer Networking (APPN)
Advanced Persistent Threat (APT)
Advanced Power Management (APM)
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 Attachment (ATA)
Advanced Technology Extended (ATX)
Advanced Threat Detection (ATD)
Advanced Video Coding (AVC)
Advanced Web Services
Adventure
Advertising
Advertising Network (Ad Network)
Adware
AE
AER
AES
AF
AFA
Affiliate Agreement
Affiliate Link
Affiliate Marketing
Affiliate Program
Affiliate Reporting Service
Affiliate Tracking
Affinity Analysis
AFIS
AFK
AFP
AFP
AFS
After Power Failure
After-Sales Support
AFTP
Agent
Agentless UI
Aggregate Event
AGI
Agile ALM
Agile Application Life Cycle Management (Agile ALM)
Agile Architecture
Agile Retrospective
Agile Software Development
Agile Software Testing
AGP
AH
AHA
AHRA
AHT
AI
AI Strategist
AI-Complete
AIBO
AIDC
AIO PC
AIOps
AIoT
AIP
AIR
Air Cooling
Air Gap
AirPlay
AIS
AIX
AJAX
AKO
Alan Turing
ALE
Algorithm
Algorithm Economy
ALI
Aliasing
ALICE
All The Wares
All Your Base Are Belong To Us (AYBABTU)
All-Cloud Environment
All-Flash Array (AFA)
All-in-One PC (AIO PC)
All-In-One Printer
Alliance to Save Energy (ASE)
ALM
ALM PaaS
ALOHA
Alpha Channel
Alpha Geek
Alpha Test
Alpha Value
Alpha Version
AlphaGo
Alphanumeric
Alphanumerish
ALS
Alt Key
Alt Text
Alt-Tab
Altair 8800
Altair BASIC
Alter Script
Alternate Key (Alt Key)
Alternate Text (Alt Text)
Alternative Delivery Models
Alternative SQL Query
ALU
Alureon
Always On
AM
AM
Amazon CloudFront
Amazon CloudWatch
Amazon EC2
Amazon Elastic Compute Cloud (Amazon EC2)
Amazon ElastiCache
Amazon RDS
Amazon Redshift
Amazon Relational Database Service (Amazon RDS)
Amazon S3
Amazon Simple Notification Service (Amazon SNS)
Amazon Simple Queue Service (Amazon SQS)
Amazon Simple Storage Service (Amazon S3)
Amazon SimpleDB
Amazon SNS
Amazon SQS
Amazon Virtual Private Cloud (Amazon VPC)
Amazon VPC
Amazon Web Services (AWS)
Amazon Web Services S3
Amazon Whispernet
AMBA
Ambient Backscatter
Ambient Display
Ambient Networks
Ambient Temperature
AMD Fusion
AMD Virtualization (AMD-V)
AMD-V
Amdahl's Law
America COMPETES Reauthorization Act of 2010
America Online (AOL)
American National Standards Institute (ANSI)
American Society for Testing and Materials Continuity of Care Record (ASTM-CCR)
American Standard for Information Interchange (ASCII)
American Wire Gauge (AWG)
AMI
AMIBIOS
Amiga
AMIS
AML
AMLCD
AMM
AMO
AMOLED
AMOLED
AMP
AMQP
AMR
AMR
Analog
Analog Computer
Analog Computing
Analog Data
Analog Display Service Interface (ADSI)
Analog Roaming
Analog-to-Digital Converter (ADC)
Analytic Database
Analytic Geometry
Analytical Engine
Analytics
Analytics as a Service (AaaS)
Analytics of Things
Analytics Platform
Analytics Processing Unit (APU)
Anamorphism
Anchor
Anchor Text
ANDF
Andrew File System (AFS)
Android
Android App
Android Cell Phone
Android Debug Bridge (ADB)
Android Device
Android Eclair
Android Fragmentation
Android Froyo (Android 2.2)
Android G1
Android Gingerbread
Android Honeycomb
Android Ice Cream Sandwich (ICS)
Android Jelly Bean
Android Lollipop
Android Market
Android Operating System
Android OS
Android Platform
Android Recovery
Android SDK
Android Studio
Android Tablet
Android Things
Angel Operating System
Angle Bracket
ANI
Animated GIF
Anisotropic Filtering (AF)
ANN
Anna Kournikova Virus
Annotation
Annotation
Annoybot
Annoyware
Annual Change Traffic (ACT)
Anomaly Detection
Anonoblog
Anonymity Network
Anonymization
Anonymizer
Anonymous
Anonymous (Computing)
Anonymous Email
Anonymous File Transfer Protocol (AFTP)
Anonymous Login
Anonymous Method
Anonymous Post
ANSI
ANSI ASC X12 (X12)
ANSI Bomb
ANSI Character Set
Answer-Only Modem
Answering Machine
Ant Farming
ANT+
Antenna
Antenna Array
Anti-Adware
Anti-Glare Filter
Anti-Malware
Anti-Phishing Service
Anti-Spam
Anti-Spyware
Anti-Static Mat
Anti-Static Wrist Strap
Anti-Virus Killer (AV Killer)
Anti-Virus Scanner
Anti-Virus Software
Antialiasing
Antikythera Mechanism
Antique Software
Anycast
Anything as a Service (XaaS)
Anything But Microsoft (ABM)
AODV
AOL
AOP
AOSD
APA
aPaaS
Apache Ambari
Apache Ant
Apache Avro
Apache Cassandra
Apache Drill
Apache Flink
Apache Hadoop
Apache HBase
Apache Hive
Apache Incubator
Apache Kafka
Apache Kudu
Apache Lucene
Apache Mahout
Apache Mesos
Apache Nutch
Apache Oozie
Apache Pig
Apache Portals Project
Apache Slider
Apache Software Foundation (ASF)
Apache Software License
Apache Solr
Apache Spark
Apache Sqoop
Apache SSL Certificate
Apache Storm
Apache Subversion (SVN)
Apache Thrift
Apache Tomcat
Apache Web Server
Apache ZooKeeper
APAR
API
API
APIPA
APL
APM
APM
APM
APM
APM
APNIC
APNs
APOP
App
App Drawer
App Economy
App Store
APPC
Appending Virus
Apple Desktop Bus (ADB)
Apple II
Apple IIe
Apple Pay
Apple Picking
Apple Push Notification Service (APNs)
Apple TV
Apple Watch
AppleScript
Applet Container
AppleTalk
AppleTalk Address Resolution Protocol (AARP)
AppleTalk Filing Protocol (AFP)
Appliance Computing
Applicability Statement 1 (AS1)
Application Analyst
Application Assembler
Application Availability
Application Awareness
Application Base
Application Client
Application Client Container (ACC)
Application Client Module
Application Clustering
Application Compatibility Toolkit (ACT)
Application Component Provider
Application Container
Application Delivery as a Service (ADaaS)
Application Delivery Controller (ADC)
Application Development Cycle (AD/Cycle)
Application Development Environment (ADE)
Application Development Facility
Application Discovery
Application Domain
Application Firewall
Application Framework
Application Gateway
Application Infrastructure Provider (AIP)
Application Integration
Application Layer
Application Life Cycle Management Platform as a Service (ALM PaaS)
Application Lifecycle Management (ALM)
Application Link Enabling (ALE)
Application Log
Application Management (AM)
Application Management Outsourcing (AMO)
Application Monitoring
Application Outsourcing
Application Performance
Application Performance Management (APM)
Application Platform
Application Platform as a Service (aPaaS)
Application Portability
Application Portfolio
Application Portfolio Management (APM)
Application Program
Application Programming Interface (API)
Application Programming Interface (API)
Application Programming Model (APM)
Application Release Automation (ARA)
Application Security
Application Server
Application Service Provider (ASP)
Application Service Virtualization
Application Sharing
Application Software
Application Sprawl
Application Stack
Application State
Application Streaming
Application Suite
Application System/400 (AS/400)
Application Virtualization
Application Workload Demand
Application-Aware Networking
Application-Aware Storage
Application-Defined Networking
Application-Specific Integrated Circuit (ASIC)
Applications Engineer
Applications On Tap (Apps-On-Tap)
APPN
Apportunity
Apps-On-Tap
AppScale
Apriori Algorithm
APT
Aptent
AR
AR Headset
ARA
Arachniography
Arachnotaxis
ARAD
ARC
Arcade Game
ARccOS
Archie
Architect-Engineer (A-E)
Architected Rapid Application Development (ARAD)
Architecture Neutral Distribution Format (ANDF)
Architecture of Integrated Information Systems (ARIS)
Archive Site
ARCNET
Arduino
Area Border Router (ABR)
Areal Density
ARIS
Arithmetic Expression
Arithmetic Logic Unit (ALU)
Arithmetic Operator
Arithmetic Operators
Arithmetic Shift
ARM
ARM Processor
ARM Server
Armored Virus
Armstrong's Axiom
Army Knowledge Online (AKO)
ARP
ARP Cache
ARP Poisoning
ARP Spoofing
ARPA
ARPANET
ARQ
Array
Array Data Structure
Array Formula
ART
Article Spinner
Artificial General Intelligence (AGI)
Artificial Immune System (AIS)
Artificial Intelligence (AI)
Artificial Intelligence Engineer
Artificial Intelligence of Things (AIoT)
Artificial Intelligence Robot (AIBO)
Artificial Linguistic Computer Entity (ALICE)
Artificial Neural Network (ANN)
Artificial Neuron
Artificial Superintelligence (ASI)
AS
as
As Operator
AS/400
AS1
ASC X12
ASCII
ASCII Art
ASCII-Armor
ASE
ASF
ASF
ASI
Asia Pacific Network Information Centre (APNIC)
ASIC
Asimov's Three Laws Of Robotics
AsmL
ASN
ASN.1
ASO
ASP
ASP
ASP.NET
ASP.NET Server Control
Aspect Ratio
Aspect-Oriented Programming (AOP)
Aspect-Oriented Software Development (AOSD)
ASR
Assembler
Assembly Language
Asset Management Software
Asset Performance Management (APM)
Asset Tracking
Asset Tracking Software
Assignment
Assignment Operator
Assignment Operator
Assisted GPS (A-GPS)
Association For Computing Machinery (ACM)
Association Rule Mining
Assortment Intelligence
AST
ASTM-CCR
Astronomical Markup Language (AML)
Astroturfing
Asus Eee
Asymmetric Cyberattack
Asymmetric Digital Subscriber Line (ADSL)
Asynchronous
Asynchronous Communication
Asynchronous Data
Asynchronous Groupware
Asynchronous JavaScript and XML (AJAX)
Asynchronous Learning
Asynchronous Messaging
Asynchronous Method Call
Asynchronous Replication
Asynchronous Transfer Mode (ATM)
Asynchronous Transmission
AT Command Set
ATA
Atari
Atari ST
Atbash
ATD
ATE
ATI Avivo HD
ATI Avivo High Definition (ATI Avivo HD)
ATL
ATM
Atom
Atomic
Atomic Operation
Atomicity
Atomicity Consistency Isolation Durability (ACID)
Attached Resource Computer Network (ARCNET)
Attack
Attack Surface
Attack Vector
Attenuation
Attenuation-to-Crosstalk Ratio (ACR)
Attosecond (as)
Attribute
Attribute
Attribute
Attribute-Based Access Control (ABAC)
Attribute-Value Pair (AVP)
ATX
AuC
Auction Sniping
Audacity
Audio Codec
Audio Home Recording Act (AHRA)
Audio Messaging Interchange Specification (AMIS)
Audio Modem Riser (AMR)
Audio Streaming
Audit Trail
Augmented Analytics
Augmented Reality (AR)
Augmented Reality Headset (AR Headset)
Augusta Ada King
AUP
Aurora
Authenticated Post Office Protocol (APOP)
Authentication
Authentication Authorization and Accounting (AAA)
Authentication Center (AuC)
Authentication Header (AH)
Authentication Server
Authorization
Authorized Education Reseller (AER)
Authorized Programming Analysis Report (APAR)
Auto Dialer
Auto ID
Auto Negotiation
Auto Scaling
Auto-Answer
Auto-Partitioning
Auto-Tiering
Autoboxing
AutoCAD
Autocode
Autocomplete
Autocorrect
Autodesk Animator
Autodesk Inventor
Autodiscovery
Autoencoder (AE)
autoexec.bat
Autofill
Automagically
Automata-Based Programming
Automated Broker Software (ABI Software)
Automated Business Process Discovery (ABPD)
Automated Clearing House Network (ACH Network)
Automated Data Tiering
Automated Fingerprint Identification System (AFIS)
Automated Health Practice Management
Automated Litigation Support (ALS)
Automated Merchandising
Automated Purchasing System
Automated Regression Testing
Automated System Operations (ASO)
Automated Testing
Automated Testing Software
Automated Treatment Plan
Automated Website Testing
Automatic Backup
Automatic Backup System (ABS)
Automatic Call Distributor (ACD)
Automatic Content Recognition (ACR)
Automatic Document Feeder (ADF)
Automatic Failover
Automatic Fall-over
Automatic Identification (Auto ID)
Automatic Identification and Data Capture (AIDC)
Automatic Location Identification (ALI)
Automatic Machine Learning (AutoML)
Automatic Memory Management (AMM)
Automatic Number Identification (ANI)
Automatic Online Backup
Automatic Private IP Addressing (APIPA)
Automatic Programming
Automatic Repeat reQuest (ARQ)
Automatic Speech Recognition (ASR)
Automatic Summarization
Automatic Test Equipment (ATE)
Automatic Vehicle Locator (AVL)
Automatically Executed Batch File (autoexec.bat)
Automation
AutoML
Autonomic Computing
Autonomic Network
Autonomous Robot
Autonomous System (AS)
Autonomous System Number (ASN)
Autonomous Things
Autonomous Vehicle
Autoresponder
Autosense
Autotools
Autotracing
AUX
Auxiliary Port (AUX)
Auxiliary Storage
AV Killer
Avahi
Availability
Availability Management
Avatar
AVC
Average Hold Time (AHT)
AVL
AVP
AVS
Away From Keyboard (AFK)
AWG
AWS
AWS DeepRacer
AWS Elastic Beanstalk
AWS Lambda
AWT
Axiomatic Semantics
AYBABTU
AZERTY Keyboard
Azure Fabric Controller
Azure Service Platform
Go back to top