Computer Acronyms and Abbreviations: A Complete List – 2023

A computer abbreviation is also popularly known as a computer acronym or a computer full-form. These short forms are used in the computer industry to represent certain terms, phrases, or commands. The following are the most frequently used abbreviations.

Computer Acronyms and Abbreviations That starts with A to Z

1. AI – Artificial Intelligence
2. API – Application Programming Interface
3. ACPI – Advanced Configuration and Power Interface
4. ATA – Advanced Technology Attachment
5. ASCII – American Standard Code for Information Interchange
6. AES – Advanced Encryption Standard
7. ARP – Address Resolution Protocol
8. AJAX – Asynchronous JavaScript and XML
9. AMD – Advanced Micro Devices
10. ASP – Active Server Pages
11. APM – Advanced Power Management
12. ADSL – Asymmetric Digital Subscriber Line
13. AWT – Abstract Window Toolkit
14. AVR – Automatic Voltage Regulator

16. ACL – Access Control List
17. AJAX – Asynchronous JavaScript and XML
18. ANSI – American National Standards Institute
19. AMD64 – Advanced Micro Devices 64-bit
20. ADFS – Active Directory Federation Services
21. AD – Active Directory
22. ADC – Analog to Digital Converter
23. APIPA – Automatic Private IP Addressing
24. AES – Advanced Encryption Standard
25. AMOLED – Active Matrix Organic Light Emitting Diode
26. A-GPS – Assisted Global Positioning System
27. ASP.NET – Active Server Pages .NET
28. ATA – Advanced Technology Attachment
29. ATX – Advanced Technology eXtended

31. AVC – Advanced Video Coding
32. AVI – Audio Video Interleave
33. ARP – Address Resolution Protocol
34. AGP – Accelerated Graphics Port
35. AAC – Advanced Audio Coding
36. ASIO – Audio Stream Input/Output
37. AEC – Acoustic Echo Cancellation
38. ADF – Automatic Document Feeder
39. ADSL – Asymmetric Digital Subscriber Line
40. AES-256 – Advanced Encryption Standard 256-bit
41. AJAX – Asynchronous JavaScript and XML
42. AMR – Adaptive Multi-Rate
43. ASN.1 – Abstract Syntax Notation One
44. ATM – Asynchronous Transfer Mode
45. AVR – Automatic Voltage Regulator
46. AOD – Always-On Display
47. ACID – Atomicity, Consistency, Isolation, Durability
48. ARGB – Alpha-Red-Green-Blue.

51. ARM – Advanced RISC Machines
52. ASCII – American Standard Code for Information Interchange
53. AFS – Andrew File System
54. AML – ACPI Machine Language
55. APIPA – Automatic Private IP Addressing
56. APM – Advanced Power Management
57. AR – Augmented Reality
58. ARPU – Average Revenue Per User
59. ASP – Active Server Pages
60. ATAPI – Advanced Technology Attachment Packet Interface
61. ATE – Automatic Test Equipment
62. ATM – Adobe Type Manager
63. AVC-Intra – Advanced Video Codec-Intra Frame
64. AWG – American Wire Gauge
65. AC – Alternating Current
66. ACL – Access Control List
67. AES-NI – Advanced Encryption Standard New Instructions
68. AF – Auto Focus
69. A-GNSS – Assisted Global Navigation Satellite System
70. AHCI – Advanced Host Controller Interface.

71. AIFF – Audio Interchange File Format
72. AIO – All-In-One
73. AJAX – Asynchronous JavaScript and XML
74. ALE – Address Latch Enable
75. AMOLED – Active-Matrix Organic Light-Emitting Diode
76. AMP – Accelerated Mobile Pages
77. APIC – Advanced Programmable Interrupt Controller
78. ARPANET – Advanced Research Projects Agency Network
79. ASIC – Application-Specific Integrated Circuit
80. ASP.NET – Active Server Pages .NET
81. AT – Advanced Technology
82. ATSC – Advanced Television Systems Committee
83. AUI – Attachment Unit Interface
84. AV – Audio-Visual
85. A/D – Analog to Digital
86. ACID-compliant – Atomicity, Consistency, Isolation, Durability compliant
87. ADR – Automatic Dialogue Replacement
88. ADS – Alternate Data Streams
89. AESA – Active Electronically Scanned Array
90. AFM – Atomic Force Microscopy
91. AGP Pro – Accelerated Graphics Port Pro
92. AIX – Advanced Interactive eXecutive
93. AM – Amplitude Modulation
94. AMD-V – AMD Virtualization
95. API Gateway – Application Programming Interface Gateway

96. APT – Advanced Packaging Tool
97. ARP cache – Address Resolution Protocol cache
98. ASLR – Address Space Layout Randomization
99. ASM – Assembly language
100. ASR – Automatic Speech Recognition
101. ATA RAID – Advanced Technology Attachment Redundant Array of Independent Disks
102. ATI – Array Technology Inc.
103. ATM switch – Asynchronous Transfer Mode switch
104. AVCHD – Advanced Video Codec High Definition
105. AWD – Automatic Write Distribution
106. AES-128 – Advanced Encryption Standard 128-bit
107. AGP texturing – Accelerated Graphics Port texturing
108. AI accelerator – Artificial Intelligence accelerator
109. AIS – Automatic Identification System
110. ALU – Arithmetic Logic Unit
111. AOD – Active On-Demand
112. AOI – Automated Optical Inspection
113. AP – Access Point
114. API economy – Application Programming Interface economy
115. APM – Application Performance Management
116. APFS – Apple File System
117. ARP spoofing – Address Resolution Protocol spoofing
118. ASIO4ALL – Audio Stream Input/Output for all
119. ASIC miner – Application-Specific Integrated Circuit miner
120. ATX power supply – Advanced Technology eXtended power supply.

121. A/B testing – A/B (or split) testing
122. ACD – Automatic Call Distributor
123. ACLs – Access Control Lists
124. ACPI – Advanced Configuration and Power Interface
125. ADS – Active Directory Services
126. ADSL – Asymmetric Digital Subscriber Line
127. AE – Auto Exposure
128. ALE – Address Latch Enable
129. ALG – Application-Level Gateway
130. AMD – Advanced Micro Devices
131. AMI – American Megatrends Inc.
132. AMT – Active Management Technology
133. AMPs – Accelerated Mobile Pages
134. APM – Advanced Power Management
135. APP – Advanced Power Planning
136. APR – Apache Portable Runtime
137. APS – Auto Power-Saving
138. APU – Accelerated Processing Unit
139. ARC – Audio Return Channel
140. ARM – Advanced RISC Machines
141. ARP – Address Resolution Protocol
142. AS – Autonomous System
143. ASCII – American Standard Code for Information Interchange
144. ASIC – Application-Specific Integrated Circuit
145. ASLR – Address Space Layout Randomization
146. ASP – Active Server Pages
147. ATA – Advanced Technology Attachment
148. ATAPI – Advanced Technology Attachment Packet Interface
149. ATM – Asynchronous Transfer Mode
150. ATP – Advanced Threat Protection

1. BIOS – Basic Input/Output System
2. BCD – Boot Configuration Data
3. BGP – Border Gateway Protocol
4. BLOB – Binary Large Object
5. BNC – Bayonet Neill-Concelman connector
6. BSSID – Basic Service Set Identifier
7. BSD – Berkeley Software Distribution
8. BSoD – Blue Screen of Death
9. GUI – Graphical User Interface (sometimes pronounced as “gooey”)
10. GB – Gigabyte (sometimes pronounced as “gig-a-byte”)
11. BASH – Bourne-Again SHell
12. BCDR – Business Continuity and Disaster Recovery
13. BYOD – Bring Your Own Device
14. BOM – Byte Order Mark
15. BWT – Burrows-Wheeler Transform
16. BGP – Border Gateway Protocol
17. BSS – Basic Service Set
18. BIN – Binary file
19. BOM – Beginning of Message
20. BPM – Business Process Management
21. BERT – Bidirectional Encoder Representations from Transformers
22. BIST – Built-In Self Test
23. B-tree – Balanced Tree
24. BLOB – Binary Large OBject
25. BYOC – Bring Your Own Cloud
26. BCD – Binary Coded Decimal
27. BFT – Byzantine Fault Tolerance
28. BIG-IP – BIG-IP Intelligent Application Switch
29. BMR – Bare Metal Restore
30. BADI – Business Add-In
31. BGP-4 – Border Gateway Protocol Version 4
32. BML – Business Markup Language
33. BRI – Basic Rate Interface
34. BGA – Ball Grid Array
35. BOM – Bill of Materials
36. BO – Business Object
37. BOR – Business Object Repository
38. BPMN – Business Process Model and Notation
39. BSDL – Boundary Scan Description Language
40. BRR – Bit Rate Reduction
41. BWT – Block World Transformation
42. BOM – Browser Object Model
43. BNR – Basic Networking Rate
44. BMT – Business Management Tool
45. BDT – Business Desktop Terminal
46. BCP – Batch Command Processor
47. BFD – Binary File Descriptor
48. BSC – Base Station Controller
49. BPL – Broadband over Power Lines
50. BRI – Basic Rate Interface
51. BDM – Background Debug Mode
52. BEA – Binary Editor and Analyzer
53. BWT – Burrows-Wheeler Transform
54. BPEL – Business Process Execution Language
55. BLOB – Basic Language Object
56. BCC – Blind Carbon Copy
57. BLS – Basic Line Service
58. BACnet – Building Automation and Control Networks
59. BFT – Binary File Transfer
60. BCDM – Binary-Coded Decimal Microcode
61. BRAM – Block RAM
62. BIST – Built-In Self-Test
63. BPU – Branch Prediction Unit
64. BWT – Block-World Transform
65. BBWC – Battery-Backed Write Cache
66. BGA – Ball Grid Array
67. BVRP – BitWare Virtual Port
68. BCS – Balanced Class Sets
69. BRF – Block Replace Feature
70. BEM – Boundary Element Method
71. BFO – Beat Frequency Oscillator
72. BIST – Boundary-Scan Insertion and Test
73. BSS – Base Station Subsystem
74. BFD – Block Fetch Disable
75. BOR – Basic Output Report
76. BIP – Bit Interleaved Parity
77. BDL – Block Design Language

1. CPU – Central Processing Unit
2. CSS – Cascading Style Sheets
3. CDN – Content Delivery Network
4. CRT – Cathode Ray Tube
5. CLI – Command Line Interface
6. CAD – Computer-Aided Design
7. CMOS – Complementary Metal-Oxide-Semiconductor
8. CD-ROM – Compact Disc Read-Only Memory
9. API – Application Programming Interface
10. CISC – Complex Instruction Set Computing
11. CGI – Common Gateway Interface
12. CNAME – Canonical Name
13. CAM – Content-Addressable Memory
14. CICS – Customer Information Control System
15. COM – Component Object Model
16. CMS – Content Management System
17. CTR – Click-Through Rate
18. CRUD – Create, Read, Update, Delete
19. CLI – Client Line Interface
20. CSV – Comma-Separated Values
21. CASE – Computer-Aided Software Engineering
22. CA – Certificate Authority
23. CPUID – CPU Identification
24. CBT – Computer-Based Training
25. CLOB – Character Large Object
26. CIFS – Common Internet File System
27. CMTS – Cable Modem Termination System
28. CAN – Controller Area Network
29. CRL – Certificate Revocation List
30. CDN – Content Distribution Network
31. CRM – Customer Relationship Management
32. CPU socket – Central Processing Unit socket
33. CDP – Cisco Discovery Protocol
34. CIDR – Classless Inter-Domain Routing
35. COTS – Commercial Off-The-Shelf
36. CLI – Command Line Interpreter
37. CAS – Column Address Strobe
38. CAC – Common Access Card
39. COBOL – Common Business Oriented Language
40. CMYK – Cyan, Magenta, Yellow, Black (key)
41. CAPTCHA – Completely Automated Public Turing test to tell Computers and Humans Apart
42. CDMA – Code Division Multiple Access
43. CAD/CAM – Computer-Aided Design/Computer-Aided Manufacturing
44. CBR – Constant Bit Rate
45. CSSLP – Certified Secure Software Lifecycle Professional
46. CAN – Campus Area Network
47. CLI – Common Language Infrastructure
48. CDF – Channel Definition Format
49. CPE – Customer Premises Equipment
50. CUA – Common User Access
51. CIFS – Common Internet File System
52. COA – Certificate of Authenticity
53. CAC – Common Access Card
54. CHAP – Challenge-Handshake Authentication Protocol
55. CID – Caller ID
56. CACM – Communications of the ACM
57. CDA – Common Data Access
58. CPU time – Central Processing Unit time
59. CIE – Commission Internationale de l’Eclairage
60. CMMI – Capability Maturity Model Integration

1. DNS – Domain Name System
2. DSL – Digital Subscriber Line
3. DDoS – Distributed Denial of Service
4. DBMS – Database Management System
5. DOS – Disk Operating System
6. DPI – Dots Per Inch
7. DAW – Digital Audio Workstation
8. DDR – Double Data Rate
9. DHCP – Dynamic Host Configuration Protocol
10. DRM – Digital Rights Management
11. DMA – Direct Memory Access
12. DVI – Digital Visual Interface
13. DVD – Digital Versatile Disc
14. DaaS – Desktop-as-a-Service
15. DCIM – Data Center Infrastructure Management
16. DWDM – Dense Wavelength Division Multiplexing
17. DFS – Distributed File System
18. DLP – Data Loss Prevention
19. DAC – Digital-to-Analog Converter
20. DRM – Digital Rights Management
21. DSP – Digital Signal Processor
22. DOS – Denial of Service
23. DAW – Digital Audio Workstation
24. DSS – Decision Support System
25. DIMM – Dual In-line Memory Module
26. DWT – Discrete Wavelet Transform
27. DAG – Directed Acyclic Graph
28. DHCP – Dynamic Host Configuration Protocol
29. DLP – Digital Light Processing
30. DRAM – Dynamic Random Access Memory
31. DSLR – Digital Single-Lens Reflex
32. DAP – Digital Audio Player
33. DFS – Distributed File System
34. DFM – Design for Manufacturability
35. DRM – Digital Rights Management
36. DS – Data Set

1. ECU – Electronic Control Unit
2. EEPROM – Electrically Erasable Programmable Read-Only Memory
3. EFI – Extensible Firmware Interface
4. EFS – Encrypting File System
5. EIDE – Enhanced Integrated Drive Electronics
6. EJB – Enterprise JavaBeans
7. EMM – Expanded Memory Manager
8. EMS – Expanded Memory Specification
9. ESD – Electrostatic Discharge
10. EULA – End-User License Agreement
11. EVGA – Extended Video Graphics Array
12. EVDO – Evolution-Data Optimized
13. EXE – Executable file
14. EXT – EXTended file system (used in Linux and Unix-like operating systems)
15. EWS – Embedded Web Server

1. FDD – Floppy Disk Drive
2. FTP – File Transfer Protocol
3. FAQ – Frequently Asked Questions
4. FPM – Fast Page Mode
5. FQDN – Fully Qualified Domain Name
6. FSB – Front Side Bus
7. FUD – Fear, Uncertainty, and Doubt
8. FPGA – Field-Programmable Gate Array
9. FAT – File Allocation Table
10. FDX – Full Duplex
11. FIFO – First In, First Out
12. FPS – Frames Per Second
13. FLOPS – Floating Point Operations Per Second
14. FLOSS – Free/Libre and Open Source Software

1. GUI – Graphical User Interface
2. GPS – Global Positioning System
3. GIF – Graphics Interchange Format
4. GPU – Graphics Processing Unit
5. GPRS – General Packet Radio Service
6. GHz – Gigahertz
7. GB – Gigabyte
8. GNU – GNU’s Not Unix (a recursive acronym)
9. GPL – General Public License
10. GPT – GUID Partition Table
11. GUI – Graphical User Interface
12. GZIP – GNU Zip (file compression format)
13. GPIO – General-Purpose Input/Output

1. HTML – Hypertext Markup Language
2. HTTP – Hypertext Transfer Protocol
3. HTTPS – Hypertext Transfer Protocol Secure
4. HDD – Hard Disk Drive
5. HDTV – High-Definition Television
6. HDMI – High-Definition Multimedia Interface
7. GUI – Human-Computer Interface
8. HP – Hewlett-Packard
9. HPC – High-Performance Computing
10. HFS – Hierarchical File System
11. HIDS – Host-based Intrusion Detection System
12. HTML5 – Hypertext Markup Language version 5
13. Honeypot – A trap set to detect or deflect unauthorized access to information systems

1. IP – Internet Protocol
2. ISP – Internet Service Provider
3. IoT – Internet of Things
4. IMAP – Internet Message Access Protocol
5. ICMP – Internet Control Message Protocol
6. IDE – Integrated Development Environment
7. IEEE – Institute of Electrical and Electronics Engineers
8. IRC – Internet Relay Chat
9. ISO – International Organization for Standardization
10. iOS – iPhone Operating System
11. IMEI – International Mobile Equipment Identity
12. IaaS – Infrastructure as a Service
13. ICMPv6 – Internet Control Message Protocol version 6

1. JVM – Java Virtual Machine
2. JIT – Just-In-Time (a type of compiler used in Java)
3. JSON – JavaScript Object Notation
4. JRE – Java Runtime Environment
5. JDBC – Java Database Connectivity
6. JSP – JavaServer Pages
7. JTAG – Joint Test Action Group (a standard for testing and debugging electronic devices)

1. KB – Kilobyte
2. KBPS – Kilobits per second
3. KVM – Keyboard, Video, and Mouse (a type of switch used to control multiple computers)
4. KLOC – Kilo Lines of Code (a measure of software size)
5. KPI – Key Performance Indicator (a measure of how well a system or process is performing)
6. KDE – K Desktop Environment (a popular desktop environment for Linux)
7. Kbps – Kilobits per second (a measure of data transfer speed)

1. LAN – Local Area Network
2. LCD – Liquid Crystal Display
3. LED – Light Emitting Diode
4. LDAP – Lightweight Directory Access Protocol
5. L1/L2/L3 Cache – Level 1/2/3 Cache (temporary storage for frequently accessed data)

1. MAC – Media Access Control
2. Mbps – Megabits per second
3. MHz – Megahertz
4. MFA – Multi-Factor Authentication
5. MIME – Multipurpose Internet Mail Extensions
6. MP3 – MPEG Audio Layer 3 (a popular digital audio format)
7. MPEG – Moving Picture Experts Group (a set of standards for digital video/audio encoding)
8. MS-DOS – Microsoft Disk Operating System
9. MVC – Model-View-Controller (a software design pattern)
10. MySQL – My Structured Query Language (a popular open-source relational database system)
11. MBR – Master Boot Record (a type of boot sector used in computers)
12. MCU – Microcontroller Unit
13. MTU – Maximum Transmission Unit (the largest packet size that can be transmitted over a network)

1. NIC – Network Interface Card
2. NIST – National Institute of Standards and Technology
3. NAS – Network Attached Storage
4. NAT – Network Address Translation
5. NFS – Network File System
6. NTFS – New Technology File System (a file system used by Windows)
7. NTP – Network Time Protocol
8. NNTP – Network News Transfer Protocol
9. NUMA – Non-Uniform Memory Access
10. npm – Node Package Manager (a package manager for Node.js)
11. NSA – National Security Agency
12. NVRAM – Non-Volatile Random Access Memory

1. OS – Operating System
2. OCR – Optical Character Recognition
3. OOP – Object-Oriented Programming
4. OLED – Organic Light Emitting Diode
5. ODBC – Open Database Connectivity
6. ORM – Object-Relational Mapping
7. OTP – One-Time Password
8. OLE – Object Linking and Embedding
9. OSI – Open Systems Interconnection
10. OpenGL – Open Graphics Library
11. OASIS – Organization for the Advancement of Structured Information Standards
12. OAS – Oracle Application Server
13. OTA – Over-the-Air (referring to wireless data transfer)
14. OEM – Original Equipment Manufacturer

1. PC – Personal Computer
2. PSU – Power Supply Unit
3. PCIe – Peripheral Component Interconnect Express
4. PCI – Peripheral Component Interconnect
5. POP – Post Office Protocol

1. QoS – Quality of Service

1. RAM – Random Access Memory
2. ROM – Read-Only Memory
3. RAID – Redundant Array of Inexpensive Disks
4. RGB – Red Green Blue (a color model used in digital imaging and video)
5. RPC – Remote Procedure Call
6. RTF – Rich Text Format
7. RDBMS – Relational Database Management System
8. RSS – Really Simple Syndication
9. RIP – Routing Information Protocol
10. RARP – Reverse Address Resolution Protocol
11. RAID – Redundant Array of Independent Disks
12. RISC – Reduced Instruction Set Computing
13. REST – Representational State Transfer
14. RJ45 – Registered Jack 45 (a type of connector used for Ethernet cables)
15. RFI – Radio Frequency Interference
16. RPM – Red Hat Package Manager (a package management system used by some Linux distributions)

1. SSD – Solid State Drive
2. SATA – Serial Advanced Technology
3. SQL – Structured Query Language
4. CSS – Cascading Style Sheets

1. TCP/IP – Transmission Control Protocol/Internet Protocol

1. UI – User Interface
2. URL – Uniform Resource Locator
3. USB – Universal Serial Bus
4. UPS – Uninterruptible Power Supply
5. UTP – Unshielded Twisted Pair

1. VPN – Virtual Private Network
2. VGA – Video Graphics Array
3. VR – Virtual Reality
4. VOIP – Voice over Internet Protocol
5. VLAN – Virtual Local Area Network
6. VDI – Virtual Desktop Infrastructure
7. VM – Virtual Machine

1. WAN – Wide Area Network
2. WLAN – Wireless Local Area Network
3. Wi-Fi – Wireless Fidelity: A technology that uses radio waves to provide wireless high-speed internet and network connections.
4. WPA – Wi-Fi Protected Access
5. WEP – Wired Equivalent Privacy
6. WYSIWYG – What You See Is What You Get
7. WWW – World Wide Web
8. WORM – Write Once Read Many
9. WAN/LAN – Wireless Area Network/Local Area Network

1. XML – Extensible Markup Language
2. XSS – Cross-Site Scripting
3. XHR – XMLHttpRequest
4. XPS – XML Paper Specification
5. XaaS – Anything as a Service

1. YAML – YAML Ain’t Markup Language
2. Y2K – Year 2000
3. YMMV – Your Mileage May Vary
4. YUV – YCbCr Color Space

1. ZIP – Zone Improvement Plan
2. ZIF – Zero Insertion Force
3. ZFS – Zettabyte File System
4. ZRAM – ZRAM (previously called Compcache)
5. ZVS – Zero Voltage Switching.

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