list_of_computing_and_it_abbreviations
Table of Contents
List of computing and IT abbreviations
This is a list of computing and IT acronyms and IT abbreviations.
0–9
- Shebang (Unix) | !—Shebang
- First-generation programming language | 1GL—First-Generation Programming Language
- First normal form | 1NF—First Normal Form
- 2B1Q—2 Binary 1 Quaternary
- Multi-factor authentication | 2FA—Two-factor authentication
- Second-generation programming language | 2GL—Second-Generation Programming Language
- 2NF—Second Normal Form
- Third-generation programming language | 3GL—Third-Generation Programming Language
- 3GPP—3rd Generation Partnership Project—'3G comms
- 3NF—Third Normal Form
- Intel 80386 | 386—Intel 80386 processor
- Intel i486 | 486—Intel 80486 processor
- 4B5BLF—4 Byte 5 Byte Local Fiber
- Fourth-generation programming language | 4GL—Fourth-Generation Programming Language
- 4NF—Fourth Normal Form
- Fifth-generation programming language | 5GL—Fifth-Generation Programming Language
- 5NF—Fifth Normal Form
- 6NF—Sixth Normal Form
- 8b/10b encoding | 8B10BLF—8 Byte 10 Byte Local Fiber
- 802.11—Wireless LAN
A
- Minimum bounding box | AABB—Axis Aligned Bounding Box
- Advanced Audio Coding | AAC—Advanced Audio Coding
- ATM adaptation layer | AAL—ATM Adaptation Layer
- ATM adaptation layer | AALC—ATM Adaptation Layer Connection
- Attribute-Based Access Control | ABAC—Attribute-Based Access Control
- Actor-Based Concurrent Language | ABCL—Actor-Based Concurrent Language
- Application binary interface | ABI—Application Binary Interface
- Asynchronous Balanced Mode | ABM—Asynchronous Balanced Mode
- Area Border Router | ABR—Area Border Router
- Automatic baud rate detection | ABR—Auto Baud-Rate detection
- Available Bit Rate | ABR—Available Bitrate
- Average bitrate | ABR—Average Bitrate
- Acoustic coupler | AC—Acoustic Coupler
- Alternating current | AC—Alternating Current
- Automatic call distributor | ACD—Automatic Call Distributor
- Advanced Computing Environment | ACE—Advanced Computing Environment
- ACID—Atomicity Consistency Isolation Durability
- Acknowledge character | ACK—ACKnowledgement
- Amsterdam Compiler Kit | ACK—Amsterdam Compiler Kit
- Access control list | ACL—Access Control List
- Active current loop | ACL—Active Current Loop
- Association for Computing Machinery | ACM—Association for Computing Machinery
- Automated Classification of Medical Entities | ACME—Automated Classification of Medical Entities
- IBM Airline Control Program | ACP—Airline Control Program
- Advanced Configuration and Power Interface | ACPI—Advanced Configuration and Power Interface
- Allowed cell rate | ACR—Allowed Cell Rate
- Attenuation to crosstalk ratio | ACR—Attenuation to Crosstalk Ratio
- Active Directory | AD—Active Directory
- Administrative domain | AD—Administrative Domain
- Analog-to-digital converter | ADC—Analog-to-Digital Converter
- Apple Display Connector | ADC—Apple Display Connector
- Apple Desktop Bus | ADB—Apple Desktop Bus
- Advanced Data Communication Control Procedures | ADCCP—Advanced Data Communications Control Procedures
- ActiveX Data Objects | ADO—ActiveX Data Objects
- Asymmetric digital subscriber line | ADSL—Asymmetric Digital Subscriber Line
- Abstract data type | ADT—Abstract Data Type
- Adaptive equalizer | AE—Adaptive Equalizer
- Advanced Encryption Standard | AES—Advanced Encryption Standard
- Anisotropic filtering | AF—Anisotropic Filtering
- Apple Filing Protocol | AFP—Apple Filing Protocol
- Accelerated Graphics Port | AGP—Accelerated Graphics Port
- Active hub | AH—Active Hub
- Artificial intelligence | AI—Artificial Intelligence
- Ajax (programming) | Ajax—Asynchronous JavaScript and XML
- Access list | AL—Access List
- Apple Lossless Audio Codec | ALAC—Apple Lossless Audio Codec
- ALGOL—Algorithmic Language
- Advanced Linux Sound Architecture | ALSA—Advanced Linux Sound Architecture
- Arithmetic logic unit | ALU—Arithmetic and Logical Unit
- Access method | AM—Access Method
- Active-matrix liquid crystal display | AM—Active Matrix
- AMOLED—Active-Matrix Organic Light-Emitting Diode
- Active monitor | AM—Active Monitor
- I Have No Mouth, and I Must Scream | AM—Allied Mastercomputer
- Amplitude modulation | AM—Amplitude Modulation
- Advanced Micro Devices | AMD—Advanced Micro Devices
- Advanced Message Queuing Protocol | AMQP—Advanced Message Queuing Protocol
- Audio/modem riser | AMR—Audio Modem Riser
- Artificial neural network | ANN—Artificial Neural Network
- American National Standards Institute | ANSI—American National Standards Institute
- Apache Ant | ANT—Another Neat Tool
- ATA over Ethernet | AoE—ATA over Ethernet
- Aspect-oriented programming | AOP—Aspect-Oriented Programming
- Application Layer | APCI—Application-Layer Protocol Control Information
- Application programming interface | API—Application Programming Interface
- Advanced Programmable Interrupt Controller | APIC—Advanced Programmable Interrupt Controller
- Zero configuration networking | APIPA—Automatic Private IP Addressing
- APL (programming language) | APL—A Programming Language
- Apache Portable Runtime | APR—Apache Portable Runtime
- Adaptive replacement cache | ARC—Adaptive Replacement Cache
- Advanced RISC Computing | ARC—Advanced RISC Computing
- American Registry for Internet Numbers | ARIN—American Registry for Internet Numbers
- ARM Holdings | ARM—Advanced RISC Machines
- AROS Research Operating System | AROS—AROS Research Operating System
- Address Resolution Protocol | ARP—Address Resolution Protocol
- Advanced Research Projects Agency | ARPA—Advanced Research Projects Agency
- ARPANET—Advanced Research Projects Agency Network
- Network access server | AS—Access Server
- ASCII—American Standard Code for Information Interchange
- AuthIP—Authenticated Internet Protocol
- Automated Security Enhancement Tool | ASET—Automated Security Enhancement Tool
- Abstract semantic graph | ASG—Abstract Semantic Graph
- Application-specific integrated circuit | ASIC—Application-Specific Integrated Circuit
- ASIMO—Advanced Step in Innovative Mobility
- Address space layout randomization | ASLR—Address Space Layout Randomization
- Algorithmic state machine | ASM—Algorithmic State Machine
- Asymmetric multiprocessing | ASMP—Asymmetric Multiprocessing
- Abstract Syntax Notation One | ASN.1—Abstract Syntax Notation 1
- Active Server Pages | ASP—Active Server Pages
- Application service provider | ASP—Application Service Provider
- Signal (computing) | ASR—Asynchronous Signal Routine
- Abstract syntax tree | AST—Abstract Syntax Tree
- IBM Personal Computer/AT | AT—Advanced Technology
- Access time | AT—Access Time
- Active terminator | AT—Active Terminator
- Advanced Technology Attachment | ATA—Advanced Technology Attachment
- Authoring Tool Accessibility Guidelines | ATAG—Authoring Tool Accessibility Guidelines
- AT Attachment | ATAPI—Advanced Technology Attachment Packet Interface
- Asynchronous transfer mode | ATM—Asynchronous Transfer Mode
- Antivirus software | AV—Antivirus
- H.264/MPEG-4 AVC | AVC—Advanced Video Coding
- Audio Video Interleave | AVI—Audio Video Interleaved
- AWK—Aho Weinberger Kernighan
- Abstract Window Toolkit | AWT—Abstract Window Toolkit
- Acronym With Four Letters | AWFL—Acronym With Four Letters
B
- Business-to-business | B2B—Business-to-Business
- Business-to-consumer | B2C—Business-to-Consumer
- Business-to-employee | B2E—Business-to-Employee
- IBM Basic assembly language | BAL—Basic Assembly Language
- Block availability map | BAM—Block Availability Map
- Bash (Unix shell) | Bash—Bourne-again shell
- BASIC—Beginner's All-Purpose Symbolic Instruction Code
- Baseband processor | BBP—Baseband Processor
- Bulletin board system | BBS—Bulletin Board System
- Business Continuity | BC—Business Continuity
- Binary-coded decimal | BCD—Binary Coded Decimal
- Boot Configuration Data | BCD—Boot Configuration Data
- Boyce–Codd normal form | BCNF—Boyce–Codd normal form
- BEEP—Blocks Extensible Exchange Protocol
- Bit error ratio | BER—Bit Error Rate
- Bidirectional Forwarding Detection | BFD—Bidirectional Forwarding Detection
- Binary File Descriptor library | BFD—Binary File Descriptor
- Breadth-first search | BFS—Breadth-First Search
- Byzantine fault tolerance | BFT—Byzantine Fault Tolerant
- Border Gateway Protocol | BGP—Border Gateway Protocol
- Business intelligence | BI—Business Intelligence
- Bi-directional text | BiDi—Bi-Directional
- Binary file | bin—binary
- BINAC—Binary Automatic Computer
- BIND—Berkeley Internet Name Domain
- BIOS—Basic Input Output System
- Bipolar junction transistor | BJT—Bipolar Junction Transistor
- bit—binary digit
- Binary large object | Blob—Binary large object
- Blog—Web Log
- Basic Multilingual Plane | BMP—Basic Multilingual Plane
- BNC connector | BNC—Bayonet Neill-Concelman
- Berkeley Open Infrastructure for Network Computing | BOINC—Berkeley Open Infrastructure for Network Computing
- Byte order mark | BOM—Byte Order Mark
- Bootstrap Protocol | BOOTP—Bootstrap Protocol
- BPDU—Bridge Protocol Data Unit
- Business Process Execution Language | BPEL—Business Process Execution Language
- Power line communication | BPL—Broadband over Power Lines
- Business Process Management | BPM—Business Process Management
- Business process modeling | BPM—Business Process Modeling
- Business reference model | BRM—Business Reference Model
- Business rule management system | BRMS—Business Rule Management System
- Business Readiness Rating | BRR—Business Readiness Rating
- Multichannel Multipoint Distribution Service | BRS—Broadband Radio Service
- Business Software Alliance | BSA—Business Software Alliance
- Back-side bus | BSB—Backside Bus
- Berkeley Software Distribution | BSD—Berkeley Software Distribution
- Blue Screen of Death | BSoD—Blue Screen of Death
- BitTorrent (protocol) | BT—BitTorrent
- Basic telecommunications access method | B TAM—Basic Telecommunications Access Method
- Bandwidth (computing) | BW—Bandwidth
- Bring your own device | BYOD—Bring Your Own Device
- Byte—By eight (group of 8 bits)
C
- Computer architecture | CA—Computer Accountancy
- Computer-aided design | CAD—Computer-Aided Design
- Computer-aided engineering | CAE—Computer-Aided Engineering
- Computer-aided industrial design | CAID—Computer-Aided Industrial Design
- E-learning | CAI—Computer-Aided Instruction
- Computer-aided manufacturing | CAM—Computer-Aided Manufacturing
- CAPTCHA—Completely Automated Public Turing Test to tell Computers and Humans Apart
- Computer-assisted translation | CAT—Computer-Aided Translation
- Computer-aided quality | CAQ—Computer-Aided Quality Assurance
- Computer-aided software engineering | CASE—Computer-Aided Software Engineering
- GNU Compiler Collection | cc—C Compiler
- Compact Disc | CD—Compact Disc
- Common Desktop Environment | CDE—Common Desktop Environment
- Compact Disk File System | CDFS—Compact Disk File System
- Code division multiple access | CDMA—Code Division Multiple Access
- Content delivery network | CDN—Content Delivery Network
- Cisco Discovery Protocol | CDP—Cisco Discovery Protocol
- Continuous data protection | CDP—Continuous Data Protection
- CD-R—CD-Recordable
- CD-ROM—CD Read-Only Memory
- CD-RW—CD-Rewritable
- Security architecture | CDSA—Common Data Security Architecture
- Computer Emergency Response Team | CERT—Computer Emergency Response Team
- Consumer Electronics Show | CES—Consumer Electronics Show
- Compact Flash | CF—Compact Flash
- Computational fluid dynamics | CFD—Computational Fluid Dynamics
- Context-free grammar | CFG—Context-Free Grammar
- Control flow graph | CFG—Control Flow Graph
- Computer graphics | CG—Computer Graphics
- Color Graphics Adapter | CGA—Color Graphics Array
- Common Gateway Interface | CGI—Common Gateway Interface
- Computer-generated imagery | CGI—Computer-Generated Imagery
- Graph theory | CGT—Computational Graph Theory
- Challenge-handshake authentication protocol | CHAP—Challenge-Handshake Authentication Protocol
- Cylinder-head-sector | CHS—Cylinder-Head-Sector
- Classless Inter-Domain Routing | CIDR—Classless Inter-Domain Routing
- Server Message Block | CIFS—Common Internet Filesystem
- Common Information Model (computing) | CIM—Common Information Model
- Computationally Independent Model | CIM—Computationally Independent Model
- Chief information officer | CIO—Chief Information Officer
- Committed information rate | CIR—Committed information rate
- Complex instruction set computer | CISC—Complex Instruction Set Computer
- CJK characters | CJK—Chinese, Japanese, and Korean
- CJKV—Chinese, Japanese, Korean, and Vietnamese
- Command-line interface | CLI—Command Line Interface
- Common Language Runtime | CLR—Common Language Runtime
- Configuration management | CM—Configuration Management
- Content management | CM—Content Management
- Configuration management database | CMDB—Configuration Management Database
- Capability Maturity Model Integration | CMMI—Capability Maturity Model Integration
- CMOS—Complementary Metal-Oxide Semiconductor
- Current Mode of Operation | CMO—Current Mode of Operation
- Content management system | CMS—Content Management System
- Active Directory | CN—Canonical Name
- Lightweight Directory Access Protocol | CN—Common Name
- CNC—Computer Numerical Control
- Cryptographic Next Generation | CNG—Cryptographic Next Generation
- Cryptography Next Generation | CNG—Cryptography Next Generation
- Communications and Networking Riser | CNR—Communications and Networking Riser
- COBOL—Common Business-Oriented Language
- Component Object Model | COM—Component Object Model or communication
- Common Object Request Broker Architecture | CORBA—Common Object Request Broker Architecture
- Commercial off-the-shelf | COTS—Commercial Off-The-Shelf
- Cell (microprocessor) | CPA—Cell Processor Architecture
- CPAN—Comprehensive Perl Archive Network
- CP/M—Control Program/Monitor
- Common Public Radio Interface | CPRI—Common Public Radio Interface
- Characters Per Second | CPS—characters per second
- Central processing unit | CPU—Central Processing Unit
- Carriage return | CR—Carriage Return
- R (programming language) | CRAN—Comprehensive R Archive Network
- Cyclic redundancy check | CRC—Cyclic Redundancy Check
- Customer relationship management | CRM—Customer Relationship Management
- Computer reservations system | CRS—Computer Reservations System
- Cathode ray tube | CRT—Cathode Ray Tube
- Create, read, update and delete | CRUD—Create, Read, Update and Delete
- AT Attachment | CS—Cable Select
- Computer science | CS—Computer Science
- Computer Science and Engineering | CSE—Computer Science and Engineering
- Common System Interface | CSI—Common System Interface
- Compatibility Support Module | CSM—Compatibility Support Module
- Carrier sense multiple access with collision detection | CSMA/CD—Carrier sense multiple access with collision detection
- Cloud service provider | CSP—Cloud Service Provider
- Communicating sequential processes | CSP—Communicating Sequential Processes
- Cross-site request forgery | CSRF—Cross-Site Request Forgery
- Cascading Style Sheets | CSS—Cascading Style Sheets
- Content Scramble System | CSS—Content-Scrambling System
- Closed source | CSS—Closed Source Software
- Cross-site scripting | CSS—Cross-Site Scripting
- Comma-separated values | CSV—Comma-Separated Values
- Computed axial tomography | CT—Computerized Tomography
- CTAN—Comprehensive TeX Archive Network
- Client-to-client protocol | CTCP—Client-To-Client Protocol
- Computer telephony integration | CTI—Computer Telephony Integration
- Compile time function execution | CTFE—Compile Time Function Execution
- Computation tree logic | CTL—Computational Tree Logic
- Close to Metal | CTM—Close To Metal
- Flow control (data) | CTS—Clear To Send
- Compatible Time-Sharing System | CTSS—Compatible Time-Sharing System
- IBM Common User Access | CUA—Common User Access
- Concurrent Versions System—Concurrent Versioning System]] | CVS * [[Concurrent Versions System | CVS—Concurrent Versioning System
D
- Digital-to-analog converter | DAC—Digital-To-Analog Converter
- Discretionary access control | DAC—Discretionary Access Control
- Database Abstraction Layer | DAL—Database Abstraction Layer
- Data access object | DAO—Data Access Object
- Data Access Objects | DAO—Data Access Objects
- Optical disc recording modes | DAO—Disk-At-Once
- Directory Access Protocol | DAP—Directory Access Protocol
- DARPA—Defense Advanced Research Projects Agency
- Digital Audio Tape | DAT—Digital Audio Tape
- Database administrator | DBA—Database Administrator
- DBCS—Double Byte Character Set
- Database management system | DBMS—Database Management System
- Direct Client-to-Client | DCC—Direct Client-to-Client
- Datagram Congestion Control Protocol | DCCP—Datagram Congestion Control Protocol
- DCC Alliance | DCCA—Debian Common Core Alliance
- Data Control Language | DCL—Data Control Language
- Distributed Control System | DCS—Distributed Control System
- Dublin Core | DCMI—Dublin Core Metadata Initiative
- Distributed Component Object Model | DCOM—Distributed Component Object Model
- Double density | DD—Double Density
- Dynamic Data Exchange | DDE—Dynamic Data Exchange
- DNS DHCP IP Address management | DDI—DNS DHCP & IP Address management
- Data Definition Language | DDL—Data Definition Language
- DDoS—Distributed Denial of Service
- Digital Equipment Corporation | DEC—Digital Equipment Corporation
- Data Encryption Standard | DES—Data Encryption Standard
- Deterministic finite automaton | DFA—Deterministic Finite Automaton
- Data flow diagram | DFD—Data Flow Diagram
- Depth-first search | DFS—Depth-First Search
- Distributed file system | DFS—Distributed File System
- Dworkin's Game Driver | DGD—Dworkin's Game Driver
- Dynamic Host Configuration Protocol | DHCP—Dynamic Host Configuration Protocol
- Dynamic HTML | DHTML—Dynamic Hypertext Markup Language
- Data Integrity Field | DIF—Data Integrity Field
- DIMM—Dual Inline Memory Module
- Deutsches Institut für Normung | DIN—Deutsches Institut für Normung
- Dual in-line package | DIP—Dual In-line Package
- DISM—Deployment Image and Service Management Tool
- DIVX (Digital Video Express) | DIVX—Digital Video Express
- DomainKeys Identified Mail | DKIM—Domain Keys Identified Mail
- Dynamic-link library | DLL—Dynamic Link Library
- Digital Living Network Alliance | DLNA—Digital Living Network Alliance
- Data loss protection | DLP—Data loss protection
- Direct memory access | DMA—Direct Memory Access
- Digital Millennium Copyright Act | DMCA—Digital Millennium Copyright Act
- Direct Media Interface | DMI—Direct Media Interface
- Data Manipulation Language | DML—Data Manipulation Language
- Definitive Media Library | DML—Definitive Media Library
- Dennis Ritchie | DMR—Dennis M. Ritchie
- DMZ (computing) | DMZ—Demilitarized Zone
- Lightweight Directory Access Protocol | DN—Distinguished Name
- Drag-and-drop | DND—Drag-and-Drop
- Domain Name System | DNS—Domain Name System
- Dead on arrival | DOA—Dead on Arrival
- DOCSIS—Data Over Cable Service Interface Specification
- Document Object Model | DOM—Document Object Model
- Denial-of-service attack | DoS—Denial of Service
- DOS—Disk Operating System
- Deferred Procedure Call | DPC—Deferred Procedure Call
- Deep packet inspection | DPI—Deep Packet Inspection
- Dots per inch | DPI—Dots Per Inch
- DOS Protected Mode Interface | DPMI—DOS Protected Mode Interface
- VESA Display Power Management Signaling | DPMS—Display Power Management Signaling
- Disaster recovery | DR—Disaster Recovery
- Dynamic random-access memory | DRAM—Dynamic Random-Access Memory
- DR-DOS—Digital Research - Disk Operating System
- Direct Rendering Infrastructure | DRI—Direct Rendering Infrastructure
- Digital rights management | DRM—Digital Rights Management
- Direct Rendering Manager | DRM—Direct Rendering Manager
- Digital Signature Algorithm | DSA—Digital Signature Algorithm
- Document Schema Definition Languages | DSDL—Document Schema Definition Languages
- Dynamic Systems Development Method | DSDM—Dynamic Systems Development Method
- Digital subscriber line | DSL—Digital Subscriber Line
- Domain-specific language | DSL—Domain-Specific Language
- Digital subscriber line access multiplexer | DSLAM—Digital Subscriber Line Access Multiplexer
- Database Source Name | DSN—Database Source Name
- Data set (IBM mainframe) | DSN—Data Set Name
- Digital signal processor | DSP—Digital Signal Processor
- Document Style Semantics and Specification Language | DSSSL—Document Style Semantics and Specification Language
- Document Type Definition | DTD—Document Type Definition
- Data terminal equipment | DTE—Data Terminal Equipment or data transfer rate
- Desktop publishing | DTP—Desktop Publishing
- DVD—Digital Versatile Disc
- DVD-R—DVD-Recordable
- DVD-ROM—DVD-Read Only Memory
- DVD-RW—DVD-Rewritable
- Digital Visual Interface | DVI—Digital Visual Interface
- Digital video recorder | DVR—Digital Video Recorder
- Data Warehouse | DW—Data Warehouse
E
- Enterprise application integration | EAI—Enterprise Application Integration
- Extensible Authentication Protocol | EAP—Extensible Authentication Protocol
- Exchange ActiveSync | EAS—Exchange ActiveSync
- Extended Binary Coded Decimal Interchange Code | EBCDIC—Extended Binary Coded Decimal Interchange Code
- Extensible Binary Meta Language | EBML—Extensible Binary Meta Language
- Elliptic curve cryptography | ECC—Elliptic Curve Cryptography
- Ecma International | ECMA—European Computer Manufacturers Association
- Explicit Congestion Notification | ECN—Explicit Congestion Notification
- Expense and Cost Recovery System (ECRS) | ECRS—Expense and Cost Recovery System
- Electronic design automation | EDA—Electronic Design Automation
- Enhanced Data Rates for GSM Evolution | EDGE— Enhanced Data rates for GSM Evolution
- Electronic Data Interchange | EDI—Electronic Data Interchange
- Dynamic random access memory | EDO—Extended Data Out
- Electronic Delay Storage Automatic Calculator | EDSAC—Electronic Delay Storage Automatic Calculator
- EDVAC—Electronic Discrete Variable Automatic Computer
- EEPROM—Electronically Erasable Programmable Read-Only Memory
- Electronic Frontier Foundation | EFF—Electronic Frontier Foundation
- Extensible Firmware Interface | EFI—Extensible Firmware Interface
- Eight-to-fourteen modulation | EFM—Eight-to-Fourteen Modulation
- Ethernet in the First Mile | EFM—Ethernet in the First Mile
- Encrypting File System | EFS—Encrypting File System
- Enhanced Graphics Adapter | EGA—Enhanced Graphics Array
- Electronic mail | E-mail—Electronic mail
- Exterior Gateway Protocol | EGP—Exterior Gateway Protocol
- Electronic identity card | eID—electronic ID card
- EIDE—Enhanced IDE
- Enhanced Interior Gateway Routing Protocol | EIGRP—Enhanced Interior Gateway Routing Protocol
- Extended Industry Standard Architecture | EISA—Extended Industry Standard Architecture
- Extremely low frequency | ELF—Extremely Low Frequency
- Executable and Linkable Format | ELF—Executable and Linkable Format
- Elm (e-mail client) | ELM—ELectronic Mail
- Expanded memory | EMS—Expanded Memory Specification
- ENIAC—Electronic Numerical Integrator And Computer
- End-of-Day | EOD—End of Day
- End-of-file | EOF—End of File
- End of Message | EOM—End Of Message
- End of Support | EOS—End OF Support
- Explicitly parallel instruction computing | EPIC—Explicitly Parallel Instruction Computing
- EPROM—Erasable Programmable Read-Only Memory
- Entity-relationship diagram | ERD—Entity-Relationship Diagram
- Entity-relationship model | ERM—Entity-Relationship Model
- Enterprise resource planning | ERP—Enterprise Resource Planning
- external SATA | eSATA—external SATA
- Enterprise service bus | ESB—Enterprise service bus
- ESCON—Enterprise Systems Connection
- Electrostatic discharge | ESD—Electrostatic Discharge
- Eric S. Raymond | ESR—Eric Steven Raymond
- Extract, transform, load | ETL—Extract, Transform, Load
- Event Tracing for Windows | ETW—Event Tracing for Windows
- Extended Unix Code | EUC—Extended Unix Code
- End user license agreement | EULA—End User License Agreement
- Extended Window Manager Hints | EWMH—Extended Window Manager Hints
- Extended file system | EXT—EXTended file system
F
- FORTRAN Assembly Program | FAP—FORTRAN Assembly Program
- FASM—Flat ASseMbler
- File Allocation Table | FAT—File Allocation Table
- FAQ—Frequently Asked Questions
- Fully Buffered DIMM | FBDIMM—Fully Buffered Dual Inline Memory Module
- FC-AL—Fibre Channel Arbitrated Loop
- File control block | FCB—File Control Block
- Frame check sequence | FCS—Frame Check Sequence
- Floppy disk controller | FDC—Floppy Disk Controller
- Fedora Directory Server | FDS—Fedora Directory Server
- Frequency-division multiple access | FDD—Frequency-Division Duplexing
- Floppy disk drive | FDD—Floppy Disk Drive
- Fiber distributed data interface | FDDI—Fiber Distributed Data Interface
- Frequency-division multiplexing | FDM—Frequency-Division Multiplexing
- Frequency-division multiple access | FDMA—Frequency-Division Multiple Access
- Forward error correction | FEC—Forward Error Correction
- Field-effect transistor | FET—Field Effect Transistor
- Filesystem Hierarchy Standard | FHS—Filesystem Hierarchy Standard
- FICON—FIber CONnectivity
- FIFO (computing and electronics) | FIFO—First In First Out
- FL (programming language) | FL—Function Level
- Free Lossless Audio Codec | FLAC—Free Lossless Audio Codec
- FLOPS—FLoating-Point Operations Per Second
- Free and open source software | FLOSS—Free/Libre/Open Source Software
- Fixed Mobile Convergence | FMC— Fixed Mobile Convergence “Mobile UC or Unified Communications over Wireless”
- Future Mode of Operation | FMO—Future Mode of Operation
- Free On-line Dictionary of Computing | FOLDOC—Free On-line Dictionary of Computing
- FOSDEM—Free and Open source Software Developers' European Meeting
- Formatting Output Specification Instance | FOSI—Formatted Output Specification Instance
- Free and open source software | FOSS—Free and Open Source Software
- FP (programming language) | FP—Function Programming
- Field-programmable gate array | FPGA—Field Programmable Gate Array
- Floating Point Systems | FPS—Floating Point Systems
- Floating-point unit | FPU—Floating Point Unit
- Field-replaceable unit | FRU—Field Replaceable Unit
- File system | FS—File System
- Front-side bus | FSB—Front Side Bus
- fsck—File System Check
- Free Software Foundation | FSF—Free Software Foundation
- Finite-state machine | FSM—Finite State Machine
- Fiber to the Antenna | FTTA—Fiber To The Antenna
- Fiber to the Curb | FTTC—Fiber To The Curb
- Fiber to the home | FTTH—Fiber To The Home
- Fiber to the premises | FTTP—Fiber To The Premises
- File Transfer Protocol | FTP—File Transfer Protocol
- Fully qualified domain name | FQDN—Fully Qualified Domain Name
- Fear, uncertainty and doubt | FUD—Fear Uncertainty Doubt
- Whitespace (computer science) | FWS—Folding White Space
- File eXchange Protocol | FXP—File eXchange Protocol
- For Your Information | FYI—For Your Information
- FVEK—Full Volume Encryption Key
G
- Globalization | G11N—Globalization
- GNU Assembler | Gas—GNU Assembler
- GNU Compiler Collection | GCC—GNU Compiler Collection
- GNU Compiler for Java | GCJ—GNU Compiler for Java
- Group coded recording | GCR—Group Coded Recording
- GNU Debugger | GDB—GNU Debugger
- Graphics Device Interface | GDI—Graphics Device Interface
- GNU Free Documentation License | GFDL—GNU Free Documentation License
- Graphics Interchange Format | GIF—Graphics Interchange Format
- Garbage In, Garbage Out | GIGO—Garbage In, Garbage Out
- GIMP—GNU Image Manipulation Program
- Great Internet Mersenne Prime Search | GIMPS—Great Internet Mersenne Prime Search
- Geographic information system | GIS—Geographic Information System
- OpenGL Utility Toolkit | GLUT—OpenGL Utility Toolkit
- Geography Markup Language | GML—Geography Markup Language
- GNOME—GNU Network Object Model Environment
- GUI-Graphical User Interfase
- GNU—GNU's Not Unix
- GOMS—Goals, Operators, Methods, and Selection rules
- IBM General Parallel File System | GPFS—General Parallel File System
- GNU Privacy Guard | GPG—GNU Privacy Guard
- GPGPU—General-Purpose Computing on Graphics Processing Units
- GPIB—General-Purpose Instrumentation Bus
- GNU General Public License | GPL—General Public License
- Domain-specific language | GPL—General-Purpose Language
- General Packet Radio Service | GPRS—General Packet Radio Service
- GUID Partition Table | GPT—GUID Partition Table
- Graphics processing unit | GPU—Graphics Processing Unit
- GERAN—GSM EDGE Radio Access Network
- GSM—Global System for Mobile Communications
- GTK+—GIMP Toolkit
- Graphical user interface | GUI—Graphical User Interface
- Globally Unique Identifier | GUID—Globally Unique IDentifier
- Google Web Toolkit | GWT—Google Web Toolkit
- IT Networking Services | GYR—IT Networking
H
- High availability | HA—High Availability
- Hardware abstraction layer | HAL—Hardware Abstraction Layer
- HTML Application Rapid Development | HARD—HTML Application Rapid Development
- Houston Automatic Spooling Priority | HASP—Houston Automatic Spooling Priority
- Host adapter | HBA—Host Bus Adapter
- Human–computer interaction | HCI—Human Computer Interaction
- High density | HD—High Density
- Hard disk drive | HDD—Hard Disk Drive
- Hardware compatibility list | HCL—Hardware Compatibility List
- HD DVD—High Definition DVD
- Hardware description language | HDL—Hardware Description Language
- HDMI—High-Definition Multimedia Interface
- HECI—Host Embedded Controller Interface
- High frequency | HF—High Frequency
- Hierarchical File System | HFS—Hierarchical File System
- Hybrid drive | HHD—Hybrid Hard Drive
- Human interface device | HID—Human Interface Device
- Human interface guidelines | HIG—Human Interface Guidelines
- IBM High-Level Assembler | HLASM—High Level ASseMbler
- HTTP Live Streaming | HLS—HTTP Live Streaming
- High memory area | HMA—High Memory Area
- Hewlett-Packard | HP—Hewlett-Packard
- High-performance computing | HPC—High-Performance Computing
- High Performance File System | HPFS—High Performance File System
- High-Speed Downlink Packet Access | HSDPA—High-Speed Downlink Packet Access
- High-throughput computing | HTC—High-Throughput Computing
- Hierarchical storage management | HSM—Hierarchical Storage Management
- Hyper-threading | HT—Hyper Threading
- Hierarchical temporal memory | HTM—Hierarchical Temporal Memory
- HTML—Hypertext Markup Language
- Hypertext Transfer Protocol | HTTP—Hypertext Transfer Protocol
- Daemon (computer software) | HTTPd—Hypertext Transport Protocol Daemon
- HTTPS—HTTP Secure
- HyperTransport | HTX—HyperTransport eXpansion
- Holographic Versatile Disc | HVD—Holographic Versatile Disc
I
- I²C—Inter-Integrated Circuit
- I²S—Integrated Interchip Sound
- Internationalization and localization | I18N—Internationalization
- Internet Assigned Numbers Authority | IANA—Internet Assigned Numbers Authority
- Application binary interface | iBCS—Intel Binary Compatibility Standard
- IBM—International Business Machines
- Integrated circuit | IC—Integrated Circuit
- ICANN—Internet Corporation for Assigned Names and Numbers
- In-circuit emulator | ICE—In-Circuit Emulator
- Intrusion Countermeasures Electronics | ICE—Intrusion Countermeasure Electronics
- I/O Controller Hub | ICH—I/O Controller Hub
- Internet Control Message Protocol | ICMP—Internet Control Message Protocol
- Internet Cache Protocol | ICP—Internet Cache Protocol
- Internet Connection Sharing | ICS—Internet Connection Sharing
- Information technology | ICT—Information and Communication Technology
- Integrated development environment | IDE—Integrated Development Environment
- Advanced Technology Attachment | IDE—Integrated Drive Electronics
- Intermediate distribution frame | IDF—Intermediate Distribution Frame
- Intermediate Data Format | IDF—Intermediate Data Format
- IDL (programming language) | IDL—Interactive Data Language
- Interface description language | IDL—Interface Definition Language
- Intrusion detection system | IDS—Intrusion Detection System
- Internet Explorer | IE—Internet Explorer
- International Electrotechnical Commission | IEC—International Electrotechnical Commission
- Institute of Electrical and Electronics Engineers | IEEE—Institute of Electrical and Electronics Engineers
- Internet Engineering Task Force | IETF—Internet Engineering Task Force
- IFGICT—International Federation of Global & Green ICT
- Integrated Facility for Linux | IFL—Integrated Facility for Linux
- Internet Group Management Protocol | IGMP—Internet Group Management Protocol
- Interior Gateway Routing Protocol | IGRP—Interior Gateway Routing Protocol
- Independent hardware vendor | IHV—Independent Hardware Vendor
- General Inter-ORB Protocol | IIOP—Internet Inter-Orb Protocol
- Internet Information Services | IIS—Internet Information Services
- Internet Key Exchange | IKE—Internet Key Exchange
- Intermediate language | IL—Intermediate Language
- Instant messaging | IM—Instant Messaging
- Internet Message Access Protocol | IMAP—Internet Message Access Protocol
- Input method editor | IME—Input Method Editor
- Information security | INFOSEC—Information Systems Security
- Input/output | I/O—Input/output
- Internet of Things | IoT—Internet of Things
- Intellectual property | IP—Intellectual Property
- Internet Protocol | IP—Internet Protocol
- IP address management | IPAM—IP Address Management
- Inter-process communication | IPC—Inter-Process Communication
- Initial Program Load | IPL—Initial Program Load
- Intelligent Platform Management Interface | IPMI—Intelligent Platform Management Interface
- Interprocedural optimization | IPO—Inter Procedural Optimization
- Internet Printing Protocol | IPP—Internet Printing Protocol
- Instructions per second | IPS—Instructions Per Second
- Intrusion prevention system | IPS—Intrusion Prevention System
- IPsec—Internet Protocol security
- IPTV—Internet Protocol Television
- IPv4—Internet Protocol version 4
- IPv6—Internet Protocol version 6
- Internetwork Packet Exchange | IPX—Internetwork Packet Exchange
- Intermediate language | IR—Intermediate Representation
- Internet Relay Chat | IRC—Internet Relay Chat
- Infrared Data Association | IrDA—Infrared Data Association
- Internationalized Resource Identifier | IRI—Internationalized Resource Identifier
- I/F—Interface
- I/O request packet | IRP—I/O Request Packet
- Interrupt request | IRQ—Interrupt Request
- Information systems | IS—Information Systems
- IS-IS—Intermediate System to Intermediate System
- Industry Standard Architecture | ISA—Industry Standard Architecture
- Instruction set | ISA—Instruction Set Architecture
- ISAM—Indexed Sequential Access Method
- ISATAP—Intra-Site Automatic Tunnel Addressing Protocol
- Internet Storm Center | ISC—Internet Storm Center
- iSCSI—Internet Small Computer System Interface
- Integrated services digital network | ISDN—Integrated Services Digital Network
- International Organization for Standardization | ISO—International Organization for Standardization
- Internet Storage Name Service | iSNS—Internet Storage Name Service
- Internet service provider | ISP—Internet Service Provider
- ISPF—Interactive System Productivity Facility
- Interrupt handler | ISR—Interrupt Service Routine
- Independent software vendor | ISV—Independent Software Vendor
- Information technology | IT—Information Technology
- Information Technology Infrastructure Library | ITIL—Information Technology Infrastructure Library
- Interval temporal logic | ITL—Interval Temporal Logic
- International Telecommunication Union | ITU—International Telecommunication Union
- Interactive voice response | IVRS—Interactive Voice Response System
- Interactive Virtual Classroom | IVCR—Interactive Virtual Classroom
J
- Java Platform, Enterprise Edition | J2EE—Java 2 Enterprise Edition
- Java Platform, Micro Edition | J2ME—Java 2 Micro Edition
- Java Platform, Standard Edition | J2SE—Java 2 Standard Edition
- Java Architecture for XML Binding | JAXB—Java Architecture for XML Binding
- Java API for XML-based RPC | JAX-RPC—Java XML for Remote Procedure Calls
- Java API for XML Processing | JAXP—Java API for XML Processing
- JBOD—Just a Bunch of Disks
- Job Control Language | JCL—Job Control Language
- Java Community Process | JCP—Java Community Process
- Java Database Connectivity | JDBC—Java Database Connectivity
- Java Development Kit | JDK—Java Development Kit
- Java Platform, Enterprise Edition | JEE—Java Enterprise Edition
- Job Entry Subsystem 2/3 | JES—Job Entry Subsystem
- Java Desktop System | JDS—Java Desktop System
- Java Foundation Classes | JFC—Java Foundation Classes
- JFET—Junction Field-Effect Transistor
- JFS (file system) | JFS—IBM Journaling File System
- Just-in-time compilation | JIT—Just-In-Time
- Java Platform, Micro Edition | JME—Java Micro Edition
- Java Management Extensions | JMX—Java Management Extensions
- Java Message Service | JMS—Java Message Service
- Java Naming and Directory Interface | JNDI—Java Naming and Directory Interface
- Java Native Interface | JNI—Java Native Interface
- Instruction set | JNZ—Jump non-zero
- JPEG—Joint Photographic Experts Group
- Java Runtime Environment | JRE—Java Runtime Environment
- JavaScript | JS—JavaScript
- Java Platform, Standard Edition | JSE—Java Standard Edition
- JSON—JavaScript Object Notation
- Jackson Structured Programming | JSP—Jackson Structured Programming
- JavaServer Pages | JSP—JavaServer Pages
- Joint Test Action Group | JTAG—Joint Test Action Group
- Java User Group | JUG—Java Users Group
- Java Virtual Machine | JVM—Java Virtual Machine
K
- The C Programming Language (book) | K&R—Kernighan and Ritchie
- Keyboard (computing) | KB—Keyboard
- Knowledge base | KB—Knowledge Base
- KDE—K Desktop Environment
- KM—Knowledge Machine
- KRL (programming language) | KRL—Knowledge Representation Language
- KVM switch | KVM—Keyboard, Video, Mouse
L
- Internationalization and localization | L10N—Localization
- Layer 2 Tunneling Protocol | L2TP—Layer two Tunneling Protocol
- Link Aggregation Control Protocol | LACP—Link Aggregation Control Protocol
- LAMP (software bundle) | LAMP—Linux Apache MySQL Perl
- LAMP (software bundle) | LAMP—Linux Apache MySQL PHP
- LAMP (software bundle) | LAMP—Linux Apache MySQL Python
- Local area network | LAN—Local Area Network
- Logical block addressing | LBA—Logical Block Addressing
- Load balancing (computing) | LB—Load Balancer
- Liquid crystal display | LCD—Liquid Crystal Display
- Least Cost Routing | LCR—Least Cost Routing
- Liquid crystal on silicon | LCOS—Liquid Crystal On Silicon
- Lightweight Directory Access Protocol | LDAP—Lightweight Directory Access Protocol
- Logical volume management | LE—Logical Extents
- Light-emitting diode | LED—Light-Emitting Diode
- Low frequency | LF—Low Frequency
- Linux From Scratch | LFS—Linux From Scratch
- GNU Lesser General Public License | LGPL—Lesser General Public License
- Library (computing) | LIB—LIBrary
- Low insertion force | LIF—Low Insertion Force
- LIFO (computing) | LIFO—Last In First Out
- LILO (boot loader) | LILO—Linux Loader
- Lisp (programming language) | LISP—LISt Processing
- Linux kernel mailing list | LKML—Linux Kernel Mailing List
- LAN Manager | LM—Lan Manager
- Source lines of code | LOC—Lines of Code
- LPC (programming language) | LPC—Lars Pensjö C
- Linux Professional Institute | LPI—Linux Professional Institute
- Least Recently Used | LRU—Least Recently Used
- Least significant bit | LSB—Least Significant Bit
- Linux Standard Base | LSB—Linux Standard Base
- Large Scale Integration | LSI—Large-Scale Integration
- Long Term Evolution | LTE—Long Term Evolution
- Linear temporal logic | LTL—Linear Temporal Logic
- Bi-directional text | LTR—Left-to-Right
- Linux User Group | LUG—Linux User Group
- Logical Unit Number | LUN—Logical Unit Number
- Logical volume management | LV—Logical Volume
- Low-voltage differential signaling | LVD—Low Voltage Differential
- Logical volume management | LVM—Logical Volume Management
- Lempel–Ziv–Welch | LZW—Lempel-Ziv-Welch
- Land Grid Array | LGA—Land Grid Array
M
- Mandatory access control | MAC—Mandatory Access Control
- Media Access Control | MAC—Media Access Control
- Metropolitan area network | MAN—Metropolitan Area Network
- Mobile ad hoc network | MANET—Mobile Ad-Hoc Network
- Messaging Application Programming Interface | MAPI—Messaging Application Programming Interface
- Multi-byte character set | MBCS—Multi Byte Character Set
- Model-based design | MBD—Model-Based Design
- Master boot record | MBR—Master Boot Record
- Micro Channel architecture | MCA—Micro Channel Architecture
- Microsoft Certified Professional | MCA—Microsoft Certified Architect
- Microsoft Certified Application Developer or M.C.A.D. | MCAD—Microsoft Certified Application Developer
- Microsoft Certified Application Specialist or M.C.A.S. | MCAS—Microsoft Certified Application Specialist
- MCDBA—Microsoft Certified DataBase Administrator
- Microsoft Certified Desktop Support Technician or M.C.D.S.T. | MCDST—Microsoft Certified Desktop Support Technician
- Microsoft Certified Professional | MCITP—Microsoft Certified Information Technology Professional
- Microsoft Certified Professional | MCM—Microsoft Certified Master
- Microsoft Certified Professional | MCP—Microsoft Certified Professional
- Multiple Channels Per Carrier | MCPC—Multiple Channels Per Carrier
- Microsoft Certified Professional | MCPD—Microsoft Certified Professional Developer
- Microsoft Certified Systems Administrator or M.C.S.A. | MCSA—Microsoft Certified Systems Administrator
- Microsoft Certified Solution Developer or M.C.S.D. | MCSD—Microsoft Certified Solution Developer
- Microsoft Certified Systems Engineer or M.C.S.E. | MCSE—Microsoft Certified Systems Engineer
- Microsoft Certified Trainer or M.C.T. | MCT—Microsoft Certified Trainer
- Microsoft Certified Professional | MCTS—Microsoft Certified Technology Specialist
- Mail delivery agent | MDA—Mail Delivery Agent
- Model-driven architecture | MDA—Model-Driven Architecture
- IBM Monochrome Display Adapter | MDA—Monochrome Display Adapter
- Model-driven software development | MDD/MDSD—Model-Driven (Software) Development
- Main distribution frame | MDF—Main Distribution Frame
- Multiple document interface | MDI—Multiple Document Interface
- Microsoft Edge | ME—Microsoft Edge
- Windows Me | ME—[Windows] Millennium Edition
- Medium frequency | MF—Medium Frequency
- Microsoft Foundation Class Library | MFC—Microsoft Foundation Classes
- Modified Frequency Modulation | MFM—Modified Frequency Modulation
- Media Gateway Control Protocol | MGCP—Media Gateway Control Protocol
- Management information base | MIB—Management Information Base
- Magnetic ink character recognition | MICR—Magnetic Ink Character Recognition
- Musical Instrument Digital Interface | MIDI—Musical Instrument Digital Interface
- MIMD—Multiple Instruction, Multiple Data
- MIMO—Multiple-Input Multiple-Output
- MINIX—MIni-uNIX
- Million instructions per second | MIPS—Million Instructions Per Second
- MIPS architecture | MIPS—Microprocessor without Interlocked Pipeline Stages
- Management information system | MIS—Management Information Systems
- MISD—Multiple Instruction, Single Data
- Massachusetts Institute of Technology | MIT—Massachusetts Institute of Technology
- MIME—Multipurpose Internet Mail Extensions
- Multichannel Multipoint Distribution Service | MMDS—Multichannel Multipoint Distribution Service
- Mortality Medical Data System | MMDS—Mortality Medical Data System
- Man-machine interface | MMI—Man Machine Interface.
- Memory-mapped I/O | MMIO—Memory-Mapped I/O
- Massively multiplayer online role-playing game | MMORPG—Massively Multiplayer Online Role-Playing Game
- Microsoft Management Console | MMC— Microsoft Management Console
- Multi-mode optical fiber | MMF—Multi-Mode (optical) Fiber
- Memory management unit | MMU—Memory Management Unit
- MMX (instruction set) | MMX—Multi-Media Extensions
- Multiple-image Network Graphics | MNG—Multiple-image Network Graphics
- Motherboard | MoBo—Motherboard
- Message-oriented middleware | MOM—Message-Oriented Middleware
- MOO—MUD Object Oriented
- Metaobject protocol | MOP—Meta-Object Protocol
- Microsoft Office Specialist or M.O.S. | MOS—Microsoft Office Specialist
- MOSFET—Metal-Oxide Semiconductor Field Effect Transistor
- Motd (Unix) | MOTD—Message Of The Day
- Microsoft Certified Professional | MOUS—Microsoft Office User Specialist
- QuickTime File Format | MOV—Apple QuickTime Multimedia File
- Motion Picture Association of America | MPAA—Motion Picture Association of America
- Moving Picture Experts Group | MPEG—Motion Pictures Experts Group
- Mozilla Public License | MPL—Mozilla Public License
- Multiprotocol Label Switching | MPLS—Multiprotocol Label Switching
- Microprocessor | MPU—Microprocessor Unit
- USB flash drive | MS—Memory Stick
- Most significant bit | MSB—Most Significant Bit
- Microsoft Network | MSN—Microsoft Network
- MS-DOS—Microsoft DOS
- Machine translation | MT—Machine Translation
- Message transfer agent | MTA—Mail Transfer Agent
- Microsoft Certified Professional | MTA—Microsoft Technology Associate
- MTBF—Mean Time Between Failures
- Maximum transmission unit | MTU—Maximum Transmission Unit
- Mail submission agent | MSA—Mail Submission Agent
- Microsoft Developer Network | MSDN—Microsoft Developer Network
- Message Signaled Interrupts | MSI—Message Signaled Interrupt
- Windows Installer | MSI—Microsoft Installer
- Mail User Agent | MUA—Mail User Agent
- MUD—Multi-User Dungeon
- Model–view–controller | MVC—Model-View-Controller
- Microsoft Most Valuable Professional | MVP—Most Valuable Professional
- MVS—Multiple Virtual Storage
- Mobile World Congress | MWC—Mobile World Congress
- Material Exchange Format | MXF—Material Exchange Format
N
- Negative-acknowledge character | NACK—Negative ACKnowledgement
- Negative-acknowledge character | NAK—Negative AcKnowledge Character
- NaN—Not a Number
- Network Access Protection | NAP—Network Access Protection
- Network-attached storage | NAS—Network-Attached Storage
- Netwide Assembler | NASM—Netwide ASseMbler
- Network address translation | NAT—Network Address Translation
- NetWare Core Protocol | NCP—NetWare Core Protocol
- Native Command Queuing | NCQ—Native Command Queuing
- National Center for Supercomputing Applications | NCSA—National Center for Supercomputing Applications
- Network Driver Interface Specification | NDIS—Network Driver Interface Specification
- Novell Embedded Systems Technology | NDPS—Novell Distributed Print Services
- Novell Directory Services | NDS—Novell Directory Services
- Network Equipment Provider | NEP—Network Equipment Provider
- NetBIOS—Network Basic Input/Output System
- NetBIOS over TCP/IP | NetBT—NetBIOS over TCP/IP
- Near end crosstalk | NEXT—Near-End CrossTalk
- Nondeterministic finite automaton | NFA—Nondeterministic Finite Automaton
- Near field communication | NFC—Near field communication
- Network File System (protocol) | NFS—Network File System
- NGL—aNGeL
- Next-Generation Secure Computing Base | NGSCB—Next-Generation Secure Computing Base
- National Instruments | NI—National Instruments
- Network interface controller | NIC—Network Interface Controller
- No Internal Message | NIM—No Internal Message
- Non-blocking I/O (Java) | NIO—Non-blocking I/O
- National Institute of Standards and Technology | NIST—National Institute of Standards and Technology
- Natural language processing | NLP—Natural Language Processing
- Internationalization and localization | NLS—Native Language Support
- Non-maskable interrupt | NMI—Non-Maskable Interrupt
- Network News Transfer Protocol | NNTP—Network News Transfer Protocol
- Network operations center | NOC—Network Operations Center
- NOP—No OPeration
- Network operating system | NOS—Network Operating System
- NP (complexity) | NP—Nondeterministic Polynomial time
- Netscape Public License | NPL—Netscape Public License
- Native POSIX Thread Library | NPTL—Native POSIX Thread Library
- Network Processing Unit | NPU—Network Processing Unit
- Network Security Appliance | NSA—Network Security Appliance
- Network Service Interface | NSI—Network Service Interface
- Netscape Portable Runtime | NSPR—Netscape Portable Runtime
- Novell Storage Services | NSS—Novell Storage Service
- Network Security Services | NSS—Network Security Services
- Name Service Switch | NSS—Name Service Switch
- Windows NT | NT—New Technology
- NTFS—NT Filesystem
- NTLM—NT Lan Manager
- Network Time Protocol | NTP—Network Time Protocol
- Non-Uniform Memory Access | NUMA—Non-Uniform Memory Access
- Non-uniform rational B-spline | NURBS—Non-Uniform Rational B-Spline
- Network Video Recorder | NVR—Network Video Recorder
- Non-volatile random access memory | NVRAM—Non-Volatile Random Access Memory
O
- OASIS (organization) | OASIS—Organization for the Advancement of Structured Information Standards
- Operational Acceptance Testing | OAT—Operational Acceptance Testing
- OBSAI—Open Base Station Architecture Initiative
- Open Database Connectivity | ODBC—Open Database Connectivity
- Original equipment manufacturer | OEM—Original Equipment Manufacturer
- Open Enterprise Server | OES—Open Enterprise Server
- Orthogonal Frequency Division Multiplexing | OFDM—Orthogonal Frequency Division Multiplexing
- Open and Free Technology Community | OFTC—Open and Free Technology Community
- Object identifier | OID—Object Identifier
- Online analytical processing | OLAP—Online Analytical Processing
- Object Linking and Embedding | OLE—Object Linking and Embedding
- Organic light-emitting diode | OLED—Organic Light Emitting Diode
- One Laptop per Child | OLPC—One Laptop per Child
- Online transaction processing | OLTP—Online Transaction Processing
- Relocatable Object Module Format | OMF—Object Module Format
- Object Management Group | OMG—Object Management Group
- Optical Mark Recognition | OMR—Optical Mark Reader
- Object-oriented programming | OO—Object-Oriented
- OpenOffice.org | OO—OpenOffice
- Out-of-order execution | OOE—Out-of-Order Execution
- Out of memory | OOM—Out Of Memory
- OpenOffice.org | OOo—OpenOffice.org
- Out-of-order execution | OoOE—Out-of-Order Execution
- Object-oriented programming | OOP—Object-Oriented Programming
- Out of the box (feature) | OOTB—Out of the box
- OPML—Outline Processor Markup Language
- Object request broker | ORB—Object Request Broker
- Object-relational mapping | ORM—Object-Relational Mapping
- Open source | OS—Open Source
- Operating system | OS—Operating System
- O'Reilly Open Source Convention | OSCON—O'Reilly Open Source CONvention
- OSDN—Open Source Development Network
- Open Source Initiative | OSI—Open Source Initiative
- Open Systems Interconnection | OSI—Open Systems Interconnection
- Open Shortest Path First | OSPF—Open Shortest Path First
- Open Sound System | OSS—Open Sound System
- Open source software | OSS—Open-Source Software
- Operations support system | OSS—Operations Support System
- Open Source Technology Group | OSTG—Open Source Technology Group
- Organizationally Unique Identifier | OUI—Organisationally Unique Identifier
P
- Peer-to-peer | P2P—Peer-To-Peer
- Platform as a service | PaaS—Platform as a Service
- Personal area network | PAN—Personal Area Network
- Password authentication protocol | PAP—Password Authentication Protocol
- PARC (company) | PARC—Palo Alto Research Center
- Parallel ATA | PATA—Parallel ATA
- Portable Batch System | PBS—Portable Batch System
- Personal computer | PC—Personal Computer
- Printed circuit board | PCB—Printed Circuit Board
- Process control block | PCB—Process Control Block
- IBM PC DOS | PC DOS—Personal Computer Disc Operating System
- Peripheral Component Interconnect | PCI—Peripheral Component Interconnect
- PCI Express | PCIe—PCI Express
- PCI Extended | PCI-X—PCI Extended
- Printer Command Language | PCL—Printer Command Language
- Personal Computer Memory Card International Association | PCMCIA—Personal Computer Memory Card International Association
- Pulse-code modulation | PCM—Pulse-Code Modulation
- Perl Compatible Regular Expressions | PCRE—Perl Compatible Regular Expressions
- Public domain | PD—Public Domain
- Personal digital assistant | PDA—Personal Digital Assistant
- Portable Document Format | PDF—Portable Document Format
- Plesiochronous Digital Hierarchy | PDH—Plesiochronous Digital Hierarchy
- Programmed Data Processor | PDP—Programmed Data Processor
- Logical volume management | PE—Physical Extents
- Please Find Atachment | PFA—Please Find Attachment
- Peripheral Gateway | PG—Peripheral Gateway
- Pin grid array | PGA—Pin Grid Array
- Field-programmable gate array | PGA—Programmable Gate Array
- Profile-guided optimization | PGO—Profile-Guided Optimization
- Pretty Good Privacy | PGP—Pretty Good Privacy
- PHP—Hypertext Preprocessor
- PIC microcontroller | PIC—Peripheral Interface Controller
- Programmable Interrupt Controller | PIC—Programmable Interrupt Controller
- PID controller | PID—Proportional-Integral-Derivative
- Process identifier | PID—Process ID
- Personal information manager | PIM—Personal Information Manager
- Pine (e-mail client) | PINE—Program for Internet News and Email
- Platform Independent Model | PIM—Platform Independent Model
- Programmed input/output | PIO—Programmed Input/Output
- PKCS—Public Key Cryptography Standards
- Public key infrastructure | PKI—Public Key Infrastructure
- Power line communication | PLC—Power Line Communication
- Programmable logic controller | PLC—Programmable Logic Controller
- Programmable logic device | PLD—Programmable Logic Device
- PL/I—Programming Language One
- PL/M—Programming Language for Microcomputers
- PL/P—Programming Language for Prime
- Power line communication | PLT—Power Line Telecommunications
- Power-on self-test | PMM—POST Memory Manager
- Portable Network Graphics | PNG—Portable Network Graphics
- Plug and play | PnP—Plug-and-Play
- Peer Name Resolution Protocol | PNRP—Peer Name Resolution Protocol
- Power over Ethernet | PoE—Power over Ethernet
- Persistent Object Identifier | POID—Persistent Object Identifier
- Plain Old Java Object | POJO—Plain Old Java Object
- Point of presence | POP—Point of Presence
- Post Office Protocol | POP3—Post Office Protocol v3
- POSIX—Portable Operating System Interface, formerly IEEE-IX
- Power-on self-test | POST—Power-On Self Test
- Pixels per inch | PPI—Pixels Per Inch
- Point-to-Point Protocol | PPP—Point-to-Point Protocol
- Point-to-Point Protocol over ATM | PPPoA—PPP over ATM
- Point-to-Point Protocol over Ethernet | PPPoE—PPP over Ethernet
- Point-to-point tunneling protocol | PPTP—Point-to-Point Tunneling Protocol
- Pull request | PR—Pull Request
- PostScript | PS—PostScript
- IBM Personal System/2 | PS/2—Personal System/2
- Professional Services Automation | PSA—Professional Services Automation
- Platform Specific Model | PSM—Platform Specific Model
- Power supply | PSU—Power Supply Unit
- PSVI—Post-Schema-Validation Infoset
- PTS-DOS—PhysTechSoft - Disk Operating System
- Logical volume management | PV—Physical Volume
- Logical volume management | PVG—Physical Volume Group
- Personal video recorder | PVR—Personal Video Recorder
- Preboot Execution Environment | PXE—Preboot Execution Environment
- PCI eXtensions for Instrumentation | PXI—PCI eXtensions for Instrumentation
Q
- Quad Data Rate SRAM | QDR—Quad Data Rate
- Quality control | QA—Quality Assurance
- Quad Flat Package | QFP—Quad Flat Package
- Quality of service | QoS—Quality of Service
- QOTD—Quote of the Day
- Qt (toolkit) | Qt—Quasar Toolkit
- Queued teleprocessing access method | QTAM—Queued Teleprocessing Access Method
- Quarter Small Outline Package | QSOP—Quarter Small Outline Package
- Quality Windows Audio/Video Experience | qWave—Quality Windows Audio/Video Experience
R
- RACF—Resource Access Control Facility
- Rapid application development | RAD—Rapid Application Development
- RADIUS—Remote Authentication Dial In User Service
- RAID—Redundant Array of Independent Disks
- Resource Acquisition Is Initialization | RAII—Resource Acquisition Is Initialization
- Random-access memory | RAM—Random Access Memory
- Reverse Address Resolution Protocol | RARP—Reverse Address Resolution Protocol
- Reliability, availability and serviceability (computer hardware) | RAS—Reliability, Availability and Serviceability
- remote access service | RAS—Remote access service
- DVD region code | RC—Region Code
- Release Candidate | RC—Release Candidate
- Run commands | RC—Run Commands
- Revision Control System | RCS—Revision Control System
- Remote desktop software | RD—Remote Desktop
- remove directory | rd—remove directory
- Relational database management system | RDBMS—Relational Database Management System
- Remote Desktop Connection | RDC—Remote Desktop Connection
- Resource Description Framework | RDF—Resource Description Framework
- Relational data model | RDM—Relational Data Model
- Remote Desktop Protocol | RDP— Remote Desktop Protocol
- Remote Data Services | RDS—Remote Data Services
- Representational State Transfer | REST—Representational State Transfer
- Regular expression | regex—Regular Expression
- Regular expression | regexp—Regular Expression
- Radio frequency | RF—Radio Frequency
- Request for Comments | RFC—Request For Comments
- Radio frequency interference | RFI—Radio Frequency Interference
- Radio-frequency identification | RFID—Radio Frequency Identification
- RGB color model | RGB—Red, Green, Blue
- RGBA—Red, Green, Blue, Alpha
- Red Hat Linux | RHL—Red Hat Linux
- Red Hat Enterprise Linux | RHEL—Red Hat Enterprise Linux
- Rich Internet application | RIA—Rich Internet Application
- Recording Industry Association of America | RIAA—Recording Industry Association of America
- Raster image processor | RIP—Raster Image Processor
- Routing Information Protocol | RIP—Routing Information Protocol
- Regional Internet registry | RIR—Regional Internet registry
- Reduced instruction set computer | RISC—Reduced Instruction Set Computer
- RISC OS—Reduced Instruction Set Computer Operating System
- Remote job entry | RJE—Remote Job Entry
- Run-length encoding | RLE—Run-Length Encoding
- Run-length limited | RLL—Run-Length Limited
- remove directory | rmdir—remove directory
- Java remote method invocation | RMI—Remote Method Invocation
- Richard Stallman | RMS—Richard Matthew Stallman
- Read-only memory | ROM—Read Only Memory
- ROM-DOS—Read Only Memory - Disk Operating System
- Remote procedure call | RPC—Remote Procedure Call
- RPM Package Manager | RPM—RPM Package Manager
- Routing and Remote Access Service | RRAS—Routing and Remote Access Service
- RSA (algorithm) | RSA—Rivest Shamir Adleman
- Repetitive strain injury | RSI—Repetitive Strain Injury
- Radio Service Software | RSS—Radio Service Software
- RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication
- RTAI—Real-Time Application Interface
- Real-time clock | RTC—Real-Time Clock
- Real-time business intelligence | RTE—Real-Time Enterprise
- RTEMS—Real-Time Executive for Multiprocessor Systems
- Bi-directional text | RTL—Right-to-Left
- Real-time operating system | RTOS—Real-Time Operating System
- Real-time Transport Protocol | RTP—Real-time Transport Protocol
- Flow control (data) | RTS—Ready To Send
- Real Time Streaming Protocol | RTSP—Real Time Streaming Protocol
- Run-time type information | RTTI—Run-time Type Information
- Responsive Web Design | RWD—Responsive Web Design
S
- Software as a service | SaaS—Software as a Service
- Security Account Manager | SAM— Security Account Manager
- Storage area network | SAN—Storage Area Network
- Serial attached SCSI | SAS—Serial attached SCSI
- Serial ATA | SATA—Serial ATA
- Simple API for XML | SAX—Simple API for XML
- Spinning beachball of death | SBOD—Spinning Beachball of Death
- Serial Bus Protocol 2 | SBP-2—Serial Bus Protocol 2
- sbin—superuser binary
- Windows Small Business Server | sbs—Small Business Server
- Standard Build Unit | SBU—Standard Build Unit
- SCADA—Supervisory Control And Data Acquisition
- Source Code in Database | SCID—Source Code in Database
- Software configuration management | SCM—Software Configuration Management
- Revision control | SCM—Source Code Management
- Secure copy | SCP—Secure Copy
- Single channel per carrier | SCPC—Single Channel Per Carrier
- Standard Commands for Programmable Instruments | SCPI—Standard Commands for Programmable Instrumentation
- Secure Content Storage Association | SCSA—Secure Content Storage Association
- SCSI—Small Computer System Interface
- Stream Control Transmission Protocol | SCTP—Stream Control Transmission Protocol
- Secure Digital | SD—Secure Digital
- SDDL—Security Descriptor Definition Language
- Synchronous Digital Hierarchy | SDH—Synchronous Digital Hierarchy
- Single document interface | SDI—Single Document Interface
- Single Edge Contact | SEC—Single Edge Contact
- Secure Digital | SDIO—Secure Digital Input Output
- Software development kit | SDK—Software Development Kit
- Simple DirectMedia Layer | SDL—Simple DirectMedia Layer
- Service Delivery | SDN—Service Delivery Network
- Session Description Protocol | SDP—Session Description Protocol
- Software-defined radio | SDR—Software-Defined Radio
- Synchronous dynamic random access memory | SDRAM—Synchronous Dynamic Random Access Memory
- Symmetric digital subscriber line | SDSL—Symmetric DSL
- Single-ended signalling | SE—Single Ended
- Software Engineering Institute | SEI—Software Engineering Institute
- Search engine optimization | SEO—Search Engine Optimization
- FTP over SSH | SFTP—Secure FTP
- Simple File Transfer Protocol | SFTP—Simple File Transfer Protocol
- SSH file transfer protocol | SFTP—SSH File Transfer Protocol
- Silicon Graphics | SGI—Silicon Graphics, Incorporated
- Standard Generalized Markup Language | SGML—Standard Generalized Markup Language
- Secure Hash Algorithm | SHA—Secure Hash Algorithm
- Single-pair high-speed digital subscriber line | SHDSL—Single-pair High-speed Digital Subscriber Line
- SIGCAT—Special Interest Group on CD-ROM Applications and Technology
- SIGGRAPH—Special Interest Group on Graphics
- SIMD—Single Instruction, Multiple Data
- SIMM—Single Inline Memory Module
- Session Initiation Protocol | SIP—Session Initiation Protocol
- Supplementary Ideographic Plane | SIP—Supplementary Ideographic Plane
- SISD—Single Instruction, Single Data
- Single-Input and Single-Output | SISO—Single-Input and Single-Output
- SUSE Linux Enterprise Desktop | SLED—SUSE Linux Enterprise Desktop
- SUSE Linux Enterprise Server | SLES—SUSE Linux Enterprise Server
- Scalable Link Interface | SLI—Scalable Link Interface
- Serial Line Internet Protocol | SLIP—Serial Line Internet Protocol
- Service Level Management | SLM—Service Level Management
- Source lines of code | SLOC—Source Lines of Code
- Subject Matter Expert | SME—Subject Matter Expert
- Single-mode optical fiber | SMF—Single-Mode (optical) Fiber
- Software project management | SPM—Software project management
- SPMD—Single Program, Multiple Data
- SMA connector | SMA—SubMiniature version A
- Server Message Block | SMB—Server Message Block
- System Management BIOS | SMBIOS—System Management BIOS
- Synchronized Multimedia Integration Language | SMIL—Synchronized Multimedia Integration Language
- S/MIME—Secure/Multipurpose Internet Mail Extensions
- Supplementary Multilingual Plane | SMP—Supplementary Multilingual Plane
- Symmetric multiprocessing | SMP—Symmetric Multi-Processing
- Switched-mode power supply | SMPS—Switch Mode Power Supply
- SMS—Short Message Service
- System Management Server | SMS—System Management Server
- Simultaneous multithreading | SMT—Simultaneous Multithreading
- Simple Mail Transfer Protocol | SMTP—Simple Mail Transfer Protocol
- IBM Systems Network Architecture | SNA—Systems Network Architecture
- Simple Network Management Protocol | SNMP—Simple Network Management Protocol
- SNTP—Simple Network Time Protocol
- Service-oriented architecture | SOA—Service-Oriented Architecture
- SOAP—Simple Object Access Protocol
- Symbolic Optimal Assembly Program | SOAP—Symbolic Optimal Assembly Program
- Stop Online Piracy Act | SOPA—Stop Online Piracy Act
- System-on-a-chip | SoC—System-on-a-Chip
- SO-DIMM—Small Outline DIMM
- Standard Operating Environment | SOE—Standard Operating Environment
- Small office/home office | SOHO—Small Office/Home Office
- Silicon on insulator | SOI—Silicon On Insulator
- Service pack | SP—Service Pack
- Single-page application | SPA—Single Page Application
- Sender Policy Framework | SPF—Sender Policy Framework
- Serial Peripheral Interface Bus | SPI—Serial Peripheral Interface
- Stateful Packet Inspection | SPI—Stateful Packet Inspection
- SPARC—Scalable Processor Architecture
- SQL—Structured Query Language
- Static random access memory | SRAM—Static Random Access Memory
- Static single assignment form | SSA—Static Single Assignment
- V-Model (software development) | SSD—Software Specification Document
- Solid-state drive | SSD—Solid-State Drive
- Simple Service Discovery Protocol | SSDP—Simple Service Discovery Protocol
- Streaming SIMD Extensions | SSE—Streaming SIMD Extensions
- Secure Shell | SSH—Secure Shell
- Server Side Includes | SSI—Server Side Includes
- Single-system image | SSI—Single-System Image
- Small Scale Integration | SSI—Small-Scale Integration
- Service set (802.11 network) | SSID—Service Set Identifier
- Secure Sockets Layer | SSL—Secure Socket Layer
- Single Sign On | SSO—Single Sign On
- Supplementary Special-purpose Plane | SSP—Supplementary Special-purpose Plane
- Streaming SIMD Extensions | SSSE—Supplementary Streaming SIMD Extensions
- Single-source shortest paths | SSSP—Single Source Shortest Path
- Secure Socket Tunneling Protocol | SSTP—Secure Socket Tunneling Protocol
- Single UNIX Specification | SUS—Single UNIX Specification
- SUSE Linux | SUSE—Software und System-Entwicklung
- Scalable Video Coding | SVC—Scalable Video Coding
- Scalable Vector Graphics | SVG—Scalable Vector Graphics
- Super Video Graphics Array | SVGA—Super Video Graphics Array
- Structured VLSI design | SVD—Structured VLSI Design
- Adobe Flash | SWF—Shock Wave Flash
- Standard Widget Toolkit | SWT—Standard Widget Toolkit
- Sysop—System operator
T
- Optical disc recording modes | TAO—Track-At-Once
- Telephony Application Programming Interface | TAPI—Telephony Application Programming Interface
- Turbo Assembler | TASM—Turbo ASseMbler
- Tcl—Tool Command Language
- Transmission Control Protocol | TCP—Transmission Control Protocol
- Internet Protocol Suite | TCP/IP—Transmission Control Protocol/Internet Protocol
- Telecommunication Control Unit | TCU—Telecommunication Control Unit
- Time-division multiple access | TDMA—Time-Division Multiple Access
- Thin-film transistor | TFT—Thin-Film Transistor
- tif- image(Tagged Image File Format)
- TFTP—Trivial File Transfer Protocol
- Texas Instruments | TI—Texas Instruments
- Three-letter acronym | TLA—Three-Letter Acronym
- Top-level domain | TLD—Top-Level Domain
- Thread-local storage | TLS—Thread-Local Storage
- Transport Layer Security | TLS—Transport Layer Security
- Type-length-value | TLV—Type-length-value
- Terminal node controller | TNC—Terminal Node Controller
- TNC connector | TNC—Threaded Neill-Concelman connector
- Transaction Processing Facility | TPF—Transaction Processing Facility
- Trusted Platform Module | TPM—Trusted Platform Module
- TRON command | TROFF—Trace Off
- TRON command | TRON—Trace On
- TRON Project | TRON—The Real-time Operating system Nucleus
- TRSDOS—Tandy Radio Shack - Disk Operating System
- Time Sharing Option | TSO—Time Sharing Option
- Travelling salesman problem | TSP—Traveling Salesman Problem
- Terminate and Stay Resident | TSR—Terminate and Stay Resident
- TTA (codec) | TTA—True Tap Audio
- Transistor–transistor logic | TTL—Transistor-Transistor Logic
- Time to live | TTL—Time To Live
- Speech synthesis | TTS—Text-to-Speech
- Computer terminal | TTY—Teletype
- TWAIN—Technology Without An Interesting Name
U
- UAAG—User Agent Accessibility Guidelines
- User Account Control | UAC—User Account Control
- Universal asynchronous receiver/transmitter | UART—Universal Asynchronous Receiver/Transmitter
- User Acceptance Testing | UAT—User Acceptance Testing
- Universal Character Set | UCS—Universal Character Set
- Universal Description Discovery and Integration | UDDI—Universal Description, Discovery, and Integration
- UDMA—Ultra DMA
- User Datagram Protocol | UDP—User Datagram Protocol
- UEFI—Unified Extensible Firmware Interface
- Ultra high frequency | UHF—Ultra High Frequency
- User interface | UI—User Interface
- Gate array | ULA—Uncommitted Logic Array
- Upper memory area | UMA—Upper Memory Area
- Upper memory area | UMB—Upper Memory Block
- Unified Modeling Language | UML—Unified Modeling Language
- User-mode Linux | UML—User-Mode Linux
- Ultra-Mobile PC | UMPC—Ultra-Mobile Personal Computer
- Universal Mobile Telecommunications System | UMTS—Universal Mobile Telecommunications System
- Universal Naming Convention | UNC—Universal Naming Convention
- UNIVAC—Universal Automatic Computer (By MKS)
- Uninterruptible power supply | UPS—Uninterruptible Power Supply
- Uniform Resource Identifier | URI—Uniform Resource Identifier
- Uniform Resource Locator | URL—Uniform Resource Locator
- Uniform Resource Name | URN—Uniform Resource Name
- Universal Serial Bus | USB—Universal Serial Bus
- U.S. Robotics | USR—U.S. Robotics
- Coordinated Universal Time | UTC—Coordinated Universal Time
- Unshielded twisted pair | UTP—Unshielded Twisted Pair
- UMTS Terrestrial Radio Access Network | UTRAN—Universal Terrestrial Radio Access Network
- UUCP—Unix to Unix Copy
- Universally Unique Identifier | UUID—Universally Unique Identifier
- Universal User Name | UUN—Universal User Name
- Universal Virtual Computer | UVC—Universal Virtual Computer
- Universal Windows Platform | UWP—Universal Windows Platform
- User experience design | UX—User Experience
V
- Filesystem Hierarchy Standard | var—variable
- VAX—Virtual Address eXtension
- DOS Protected Mode Interface | VCPI—Virtual Control Program Interface
- Virtual reality | VR—Virtual Reality
- VRML—Virtual Reality Modeling Language
- Visual Basic | VB—Visual Basic
- Visual Basic for Applications | VBA—Visual Basic for Applications
- Desktop virtualization | VDI—Virtual Desktop Infrastructure
- Virtual DOS machine | VDM— Virtual DOS machine
- Very high bitrate digital subscriber line | VDSL—Very High Bitrate Digital Subscriber Line
- VESA—Video Electronics Standards Association
- File Allocation Table | VFAT—Virtual FAT
- Virtual Hard Disk | VHD — Virtual Hard Disk
- Virtual file system | VFS—Virtual File System
- Logical volume management | VG—Volume Group
- Video Graphics Array | VGA—Video Graphics Array
- Very high frequency | VHF—Very High Frequency
- Virtual LAN | VLAN—Virtual Local Area Network
- VLSM—Variable Length Subnet Mask
- VESA Local Bus | VLB—Vesa Local Bus
- Very low frequency | VLF—Very Low Frequency
- Very long instruction word | VLIW—Very Long Instruction Word
- Very-large-scale integration | VLSI—Very-Large-Scale Integration
- Virtual machine | VM—Virtual Machine
- Virtual memory | VM—Virtual Memory
- Hypervisor | VMM—Virtual Machine Monitor
- VNC—Virtual Network Computing
- Video on demand | VOD—Video On Demand
- Voice over Internet Protocol | VoIP—Voice over Internet Protocol
- Virtual private network | VPN—Virtual Private Network
- Graphics processing unit | VPU—Visual Processing Unit
- Virtual storage access method | VSAM—Virtual Storage Access Method
- Very small aperture terminal | VSAT—Very Small Aperture Terminal
- Virtual Tape Library | VTL— Virtual Tape Library
- Virtual telecommunications access method | VTAM—Virtual Telecommunications Access Method
- Video Random Access Memory | VRAM—Video Random Access Memory
W
- World Wide Web Consortium | W3C—World Wide Web Consortium
- Wide area file services | WAFS—Wide Area File Services
- Web Accessibility Initiative | WAI—Web Accessibility Initiative
- Wide area information server | WAIS—Wide Area Information Server
- Wide area network | WAN—Wide Area Network
- Wireless access point | WAP—Wireless Access Point
- Wireless Application Protocol | WAP—Wireless Application Protocol
- Open Watcom Assembler | WASM—Watcom ASseMbler
- Web-Based Enterprise Management | WBEM—Web-Based Enterprise Management
- Web Content Accessibility Guidelines | WCAG—Web Content Accessibility Guidelines
- Windows Communication Foundation | WCF—Windows Communication Foundation
- Wavelength-division multiplexing | WDM—Wavelength-Division Multiplexing
- WebDAV—WWW Distributed Authoring and Versioning
- Wired Equivalent Privacy | WEP—Wired Equivalent Privacy
- WiMAX—Worldwide Interoperability for Microwave Access
- WinFS—Windows Future Storage
- Windows RunTime | WinRT—Windows RunTime
- Windows Internet Name Service | WINS—Windows Internet Name Service
- Wireless LAN | WLAN—Wireless Local Area Network
- Windows Media Audio | WMA—Windows Media Audio
- Windows Management Instrumentation | WMI— Windows Management Instrumentation
- Windows Media Video | WMV—Windows Media Video
- Windows Push Notification Service | WNS—Windows Push Notification Service
- Wake-on-LAN | WOL—Wake-on-LAN
- Wake-on-ring | WOR—Wake-on-Ring
- Write once, run anywhere | WORA—Write once, run anywhere
- Write once, run anywhere | WORE—Write once, run everywhere
- Wi-Fi Protected Access | WPA—Wi-Fi Protected Access
- Web Proxy Autodiscovery Protocol | WPAD—Web Proxy Autodiscovery Protocol
- Personal area network | WPAN—Wireless Personal Area Network
- Windows Presentation Foundation | WPF—Windows Presentation Foundation
- WS-Discovery | WS-D—Web Services-Discovery
- Web Services Description Language | WSDL—Web Services Description Language
- Web Services Flow Language | WSFL—Web Services Flow Language
- Wireless USB | WUSB—Wireless Universal Serial Bus
- Wireless Wide Area Network | WWAN—Wireless Wide Area Network
- World Wide Name | WWID—World Wide Identifier
- World Wide Name | WWN—World Wide Name
- World Wide Web | WWW—World Wide Web
- WYSIWYG—What You See Is What You Get
- Wireless Zero Configuration | WZC—Wireless Zero Configuration
X
- XML Accessibility Guidelines | XAG—XML Accessibility Guidelines
- Extensible Application Markup Language | XAML—eXtensible Application Markup Language
- X Display Manager (implementation) | XDM—X Window Display Manager
- X display manager (program type) | XDMCP—X Display Manager Control Protocol
- XCBL—XML Common Business Library
- XHTML—eXtensible Hypertext Markup Language
- Xilp (Unix software) | XILP—X Interactive ListProc
- XML—eXtensible Markup Language
- XMMS—X Multimedia System
- Extensible Messaging and Presence Protocol | XMPP—eXtensible Messaging and Presence Protocol
- Extended memory | XMS—Extended Memory Specification
- Xerox Network Systems | XNS—Xerox Network Systems
- Cross-platform | XP—Cross-Platform
- Extreme Programming | XP—Extreme Programming
- XPCOM—Cross Platform Component Object Model
- Interface description language | XPIDL—Cross-Platform IDL
- Open XML Paper Specification | XPS— XML Paper Specification
- XML Schema (W3C) | XSD—XML Schema Definition
- Extensible Stylesheet Language | XSL—eXtensible Stylesheet Language
- XSL Formatting Objects | XSL-FO—eXtensible Stylesheet Language Formatting Objects
- XSL Transformations | XSLT—eXtensible Stylesheet Language Transformations
- Cross-site scripting | XSS—Cross-Site Scripting
- eXtensible Tag Framework | XTF—eXtensible Tag Framework
- eXtended Triton Format | XTF—eXtended Triton Format
- XUL—XML User Interface Language
- XVGA—Extended Video Graphics Adapter
Y
- Year 2000 problem | Y2K—Year Two Thousand
- YAAF—Yet Another Application Framework
- YAML—YAML Ain't Markup Language
- YaST—Yet another Setup Tool
Z
- Zone bit recording | ZCAV—Zone Constant Angular Velocity
- Zero code suppression | ZCS—Zero Code Suppression
- Zero insertion force | ZIF—Zero Insertion Force
- Zero insertion force | ZIFS—Zero Insertion Force Socket
- Zip (file format) | ZIP—ZIP file archive
- Zero instruction set computer | ZISC—Zero Instruction Set Computer
- Zero One Infinity | ZOI—Zero One Infinity
- Zone Multicast Address | ZMA—Zone Multicast Address
- ZPL (programming language) | ZPL—Z-level Programming Language
See also
References
External links
list_of_computing_and_it_abbreviations.txt · Last modified: 2025/02/01 06:43 by 127.0.0.1