From Wikipedia, the free encyclopedia
This is a list of computing and IT acronyms, initialisms and abbreviations.
0–9
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1GL—First-Generation Programming Language
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1NF—First Normal Form
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10B2—10BASE-2
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10B5—10BASE-5
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10B-F—10BASE-F
-
10B-FB—10BASE-FB
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10B-FL—10BASE-FL
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10B-FP—10BASE-FP
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10B-T—10BASE-T
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100B-FX—100BASE-FX
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100B-TX—100BASE-TX
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100BVG—100BASE-VG
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286—Intel 80286 processor
-
2B1Q—2 Binary 1 Quaternary
-
2FA—Two-factor authentication
-
2GL—Second-Generation Programming Language
-
2NF—Second Normal Form
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3GL—Third-Generation Programming Language
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3GPP—3rd Generation Partnership Project – 3G comms
-
3GPP2—3rd Generation Partnership Project 2
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3NF—Third Normal Form
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386—Intel 80386 processor
-
486—Intel 80486 processor
-
4B5BLF—4-bit 5-bit Local Fiber
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4GL—Fourth-Generation Programming Language
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4NF—Fourth Normal Form
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5GL—Fifth-Generation Programming Language
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5NF—Fifth Normal Form
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6NF—Sixth Normal Form
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8B10BLF—8-bit 10-bit Local Fiber
-
802.11—Wireless LAN
A
B
-
B2B—Business-to-Business
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B2C—Business-to-Consumer
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B2E—Business-to-Employee
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BAL—Basic Assembly Language
-
BAM—Block Availability Map
-
Bash—Bourne-again shell
-
BASIC—Beginner's All-Purpose Symbolic Instruction Code
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BBP—Baseband Processor
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BBS—Bulletin Board System
-
BC—Business Continuity
-
BCC—Blind Carbon Copy
-
BCD—Binary Coded Decimal
-
BCD—Boot Configuration Data
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BCNF—Boyce–Codd normal form
-
BCP—Business Continuity Planning
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BCP—Best Current Practice
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BE—Backend
-
BEEP—Blocks Extensible Exchange Protocol
-
BER—Bit Error Rate
-
BFD—Bidirectional Forwarding Detection
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BFD—Binary File Descriptor
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BFS—Breadth-First Search
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BFT—Byzantine Fault Tolerant
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BGP—Border Gateway Protocol
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BI—Business Intelligence
-
BiDi—Bi-Directional
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bin—binary
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BINAC—Binary Automatic Computer
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BIND—Berkeley Internet Name Domain
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BIOS—Basic Input Output System
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BJT—Bipolar Junction Transistor
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bit—binary digit
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Blob—Binary large object
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Blog—Web Log
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BMP—Basic Multilingual Plane
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BNC—Baby Neill Constant
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BOINC—Berkeley Open Infrastructure for Network Computing
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BOM—Byte Order Mark
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BOOTP—Bootstrap Protocol
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BPDU—Bridge Protocol Data Unit
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BPEL—Business Process Execution Language
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BPL—Broadband over Power Lines
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BPM—Business Process Management
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BPM—Business Process Modeling
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bps—bits per second
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BRM—Business Reference Model
-
BRMS—Business Rule Management System
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BRR—Business Readiness Rating
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BRS—Broadband Radio Service
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BSA—Business Software Alliance
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BSB—Backside Bus
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BSD—Berkeley Software Distribution
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BSoD—Blue Screen of Death
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BSS—Block Started by Symbol
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BT—BitTorrent
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BT—Bluetooth
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B TAM—Basic Telecommunications Access Method
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BW—Bandwidth
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BYOD—Bring Your Own Device
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Byte—By eight (group of 8 bits)
C
D
-
DAC—Digital-To-Analog Converter
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DAC—Discretionary Access Control
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DAL—Database Abstraction Layer
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DAO—Data Access Object
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DAO—Data Access Objects
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DAO—Disk-At-Once
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DAP—Directory Access Protocol
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DARPA—Defense Advanced Research Projects Agency
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DAS—Direct Attached Storage
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DAT—Digital Audio Tape
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DB—Database
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DSKT—Desktop
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DBA—Database Administrator
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DBCS—Double Byte Character Set
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DBMS—Database Management System
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DCC—Direct Client-to-Client
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DCCP—Datagram Congestion Control Protocol
-
DCCA—Debian Common Core Alliance
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DCL—Data Control Language
-
DCS—Distributed Control System
-
DCMI—Dublin Core Metadata Initiative
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DCOM—Distributed Component Object Model
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DD—Double Density
-
DDE—Dynamic Data Exchange
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DDI—DNS DHCP &
IP address management
-
DDL—Data Definition Language
-
DDoS—Distributed Denial of Service
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DDR—Double Data Rate
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DEC—Digital Equipment Corporation
-
DES—Data Encryption Standard
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dev—development
-
DFA—Deterministic Finite Automaton
-
DFD—Data Flow Diagram
-
DFS—Depth-First Search
-
DFS—Distributed File System
-
DGD—Dworkin's Game Driver
-
DHCP—Dynamic Host Configuration Protocol
-
DHTML—Dynamic Hypertext Markup Language
-
DIF—Data Integrity Field
-
DIMM—Dual Inline Memory Module
-
DIN—Deutsches Institut für Normung
-
DIP—Dual In-line Package
-
DISM—Deployment Image and Service Management Tool
-
DIVX—Digital Video Express
-
DKIM—Domain Keys Identified Mail
-
DL—Download
-
DLL—Dynamic Link Library
-
DLNA—Digital Living Network Alliance
-
DMA—Direct Memory Access
-
DMCA—Digital Millennium Copyright Act
-
DMI—Direct Media Interface
-
DML—Data Manipulation Language
-
DML—Definitive Media Library
-
DMR—Dennis M. Ritchie
-
DMZ—Demilitarized Zone
-
DN—Distinguished Name
-
DND—Drag-and-Drop
-
DNS—Domain Name System
-
DOA—Dead on Arrival
-
DOCSIS—Data Over Cable Service Interface Specification
-
DOM—Document Object Model
-
DORA—Discover, Offer, Request, Acknowledge
-
DoS—Denial of Service
-
DOS—Disk Operating System
-
DP—Dot Pitch
-
DPC—Deferred Procedure Call
-
DPI—Deep Packet Inspection
-
DPI—Dots Per Inch
-
DPMI—DOS Protected Mode Interface
-
DPMS—Display Power Management Signaling
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DR—Disaster Recovery
-
DRAM—Dynamic Random-Access Memory
-
DR-DOS—Digital Research – Disk Operating System
-
DRI—Direct Rendering Infrastructure
-
DRM—Digital Rights Management
-
DRM—Direct Rendering Manager
-
DSA—Digital Signature Algorithm
-
DSDL—Document Schema Definition Languages
-
DSDM—Dynamic Systems Development Method
-
DSL—Digital Subscriber Line
-
DSL—Domain-Specific Language
-
DSLAM—Digital Subscriber Line Access Multiplexer
-
DSN—Database Source Name
-
DSN—Data Set Name
-
DSP—Digital Signal Processor
-
DSSSL—Document Style Semantics and Specification Language
-
DTD—Document Type Definition
-
DTE—Data Terminal Equipment or data transfer rate
-
DTO—Data Transfer Object
-
DTP—Desktop Publishing
-
DTR—Data Terminal Ready or Data transfer rate
-
DVD—Digital Versatile Disc or Digital Video Disc
-
DVD-R—DVD-Recordable
-
DVD-ROM—DVD-Read-Only Memory
-
DVD-RW—DVD-Rewritable
-
DVI—Digital Visual Interface
-
DVR—Digital Video Recorder
-
DW—Data Warehouse
E
-
EAI—Enterprise Application Integration
-
EAP—Extensible Authentication Protocol
-
EAS—Exchange ActiveSync
-
EBCDIC—Extended Binary Coded Decimal Interchange Code
-
EBML—Extensible Binary Meta Language
-
ECC—Elliptic Curve Cryptography
-
ECMA—European Computer Manufacturers Association
-
ECN—Explicit Congestion Notification
-
ECOS—Embedded Configurable Operating System
-
ECRS—Expense and Cost Recovery System
-
ECS—Entity-Component-System
-
EDA—Electronic Design Automation
-
EDGE—Enhanced Data rates for GSM Evolution
-
EDI—Electronic Data Interchange
-
EDO—Extended Data Out
-
EDSAC—Electronic Delay Storage Automatic Calculator
-
EDVAC—Electronic Discrete Variable Automatic Computer
-
EEPROM—Electronically Erasable Programmable Read-Only Memory
-
EFF—Electronic Frontier Foundation
-
EFI—Extensible Firmware Interface
-
EFM—Eight-to-Fourteen Modulation
-
EFM—Ethernet in the First Mile
-
EFS—Encrypting File System
-
EGA—Enhanced Graphics Array
-
E-mail—Electronic mail
-
EGP—Exterior Gateway Protocol
-
eID—electronic ID card
-
EIDE—Enhanced IDE
-
EIGRP—Enhanced Interior Gateway Routing Protocol
-
EISA—Extended Industry Standard Architecture
-
ELF—Extremely Low Frequency
-
ELF—Executable and Linkable Format
-
ELM—ELectronic Mail
-
EMACS—Editor MACroS
-
EMS—Expanded Memory Specification
-
ENIAC—Electronic Numerical Integrator And Computer
-
EOD—End of Day
-
EOF—End of File
-
EOL—End of Life
-
EOL—End of Line
-
EOM—End of Message
-
EOS—End of Support
-
EPIC—Explicitly Parallel Instruction Computing
-
EPROM—Erasable Programmable Read-Only Memory
-
ERD—Entity–Relationship Diagram
-
ERM—Entity–Relationship Model
-
ERP—Enterprise Resource Planning
-
eSATA—external SATA
-
ESB—Enterprise service bus
-
ESCON—Enterprise Systems Connection
-
ESD—Electrostatic Discharge
-
ESI—Electronically Stored Information
-
ESR—Eric Steven Raymond
-
ETL—Extract, Transform, Load
-
ETW—Event Tracing for Windows
-
EUC—Extended Unix Code
-
EULA—End User License Agreement
-
EWM—Enterprise Work Management
-
EWMH—Extended Window Manager Hints
-
EXT—EXTended file system
-
ETA—Estimated Time of Arrival
F
-
FAP—FORTRAN Assembly Program
-
FASM—Flat ASseMbler
-
FAT—File Allocation Table
-
FAQ—Frequently Asked Questions
-
FBDIMM—Fully Buffered Dual Inline Memory Module
-
FC-AL—Fibre Channel Arbitrated Loop
-
FCB—File Control Block
-
FCS—Frame Check Sequence
-
FDC—Floppy-Disk Controller
-
FDS—Fedora Directory Server
-
FDD—Frequency-Division Duplexing
-
FDD—Floppy Disk Drive
-
FDDI—Fiber Distributed Data Interface
-
FDM—Frequency-Division Multiplexing
-
FDMA—Frequency-Division Multiple Access
-
FE—Frontend
-
FEC—Forward Error Correction
-
FEMB—Front-End Motherboard
-
FET—Field Effect Transistor
-
FHS—Filesystem Hierarchy Standard
-
FICON—FIber CONnectivity
-
FIFO—First In First Out
-
FIPS—Federal Information Processing Standards
-
FL—Function Level
-
FLAC—Free Lossless Audio Codec
-
FLOPS—FLoating-Point Operations Per Second
-
FLOSS—Free/Libre/Open-Source Software
-
FMC—Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless"
-
FMO—Future Mode of Operation
-
FOLDOC—Free On-line Dictionary of Computing
-
FORTRAN—Formula Translation
-
FOSDEM—Free and Open-source Software Developers' European Meeting
-
FOSI—Formatted Output Specification Instance
-
FOSS—Free and Open-Source Software
-
FP—Function Programming
-
FP—Functional Programming
-
FPGA—Field Programmable Gate Array
-
FPS—Floating Point Systems
-
FPU—Floating-Point Unit
-
FRU—Field-Replaceable Unit
-
FS—File System
-
FSB—Front-Side Bus
-
fsck—File System Check
-
FSF—Free Software Foundation
-
FSM—Finite State Machine
-
FTTA—Fiber To The Antenna
-
FTTC—Fiber To The Curb
-
FTTH—Fiber To The Home
-
FTTP—Fiber To The Premises
-
FTP—File Transfer Protocol
-
FQDN—Fully Qualified Domain Name
-
FUD—Fear Uncertainty Doubt
-
FWS—Folding White Space
-
FXP—File eXchange Protocol
-
FYI—For Your Information
-
FVEK—Full Volume Encryption Key
G
-
G11N—Globalization
-
Gas—GNU Assembler
-
Gb—Gigabit
-
GB—Gigabyte
-
Gbps—Gigabits per second
-
GCC—GNU Compiler Collection
-
GCJ—GNU Compiler for Java
-
GCP—Google Cloud Platform
-
GCR—Group Coded Recording
-
GDB—GNU Debugger
-
GDI—Graphics Device Interface
-
GFDL—GNU Free Documentation License
-
GIF—Graphics Interchange Format
-
GIGO—Garbage In, Garbage Out
-
GIMP—GNU Image Manipulation Program
-
GIMPS—Great Internet Mersenne Prime Search
-
GIS—Geographic Information System
-
GLUT—OpenGL Utility Toolkit
-
GML—Geography Markup Language
-
GNOME—GNU Network Object Model Environment
-
GNU—GNU's Not Unix
-
GOMS—Goals, Operators, Methods, and Selection rules
-
GPASM—GNU PIC ASseMbler
-
GPFS—General Parallel File System
-
GPG—GNU Privacy Guard
-
GPGPU—General-Purpose Computing on Graphics Processing Units
-
GPIB—General-Purpose Instrumentation Bus
-
GPL—General Public License
-
GPL—General-Purpose Language
-
GPRS—General Packet Radio Service
-
GPT—GUID Partition Table
-
GPU—Graphics Processing Unit
-
GRUB—Grand Unified Boot-Loader
-
GERAN—GSM EDGE Radio Access Network
-
GSM—Global System for Mobile Communications
-
GTK/GTK+—GIMP Toolkit
[1]
-
GUI—Graphical User Interface
-
GUID—Globally Unique IDentifier
-
GWT—Google Web Toolkit
-
GYR—IT Networking
H
-
HA—High availability
-
HAL—Hardware Abstraction Layer
-
HARD—HTML Application Rapid Development
-
HASP—Houston Automatic Spooling Priority
-
HBA—Host Bus Adapter
-
HCI—Human—Computer Interaction
-
HD—High Density
-
HDD—Hard Disk Drive
-
HCL—Hardware Compatibility List
-
HD DVD—High Definition DVD
-
HDL—Hardware Description Language
-
HDMI—High-Definition Multimedia Interface
-
HECI—Host Embedded Controller Interface
-
HF—High Frequency
-
HFS—Hierarchical File System
-
HHD—Hybrid Hard Drive
-
HID—Human Interface Device
-
HIG—Human Interface Guidelines
-
HIRD—Hurd of Interfaces Representing Depth
-
HLASM—High Level ASseMbler
-
HLS—HTTP Live Streaming
-
HMA—High Memory Area
-
HP—Hewlett-Packard
-
HPC—High-Performance Computing
-
HPFS—High Performance File System
-
HSDPA—High-Speed Downlink Packet Access
-
HTC—High-Throughput Computing
-
HSM—Hierarchical Storage Management
-
HT—Hyper Threading
-
HTM—Hierarchical Temporal Memory
-
HTML—Hypertext Markup Language
-
HTTP—Hypertext Transfer Protocol
-
HTTPd—Hypertext Transport Protocol Daemon
-
HTTPS—HTTP Secure
-
HTX—HyperTransport eXpansion
-
HURD—Hird of Unix-Replacing Daemons
-
HVD—Holographic Versatile Disc
-
Hz—Hertz
I
-
I²C—Inter-Integrated Circuit
-
I²S—Integrated Interchip Sound
-
I18N—Internationalization
-
IANA—Internet Assigned Numbers Authority
-
IaaS—Infrastructure as a Service
-
IaC—Infrastructure as Code
-
iBCS—Intel Binary Compatibility Standard
-
IBM—International Business Machines
-
IC—Integrated Circuit
-
ICANN—Internet Corporation for Assigned Names and Numbers
-
ICE—In-Circuit Emulator
-
ICE—Intrusion Countermeasure Electronics
-
ICH—I/O Controller Hub
-
ICMP—Internet Control Message Protocol
-
ICP—Internet Cache Protocol
-
ICS—Internet Connection Sharing
-
ICT—Information and Communication Technology
-
IDE—Integrated Development Environment
-
IDE—Integrated Drive Electronics
-
IDF—Intermediate Distribution Frame
-
IDF—Intermediate Data Format
-
IDL—Interactive Data Language
-
IDL—Interface Definition Language
-
IdP—Identity Provider (cybersecurity)
-
IDS—Intrusion Detection System
-
IE—Internet Explorer
-
IEC—International Electrotechnical Commission
-
IEEE—Institute of Electrical and Electronics Engineers
-
IETF—Internet Engineering Task Force
-
IFL—Integrated Facility for Linux
-
IGMP—Internet Group Management Protocol
-
IGRP—Interior Gateway Routing Protocol
-
IHV—Independent Hardware Vendor
-
IIOP—Internet Inter-Orb Protocol
-
IIS—Internet Information Services
-
IKE—Internet Key Exchange
-
IL—Intermediate Language
-
IM—Instant Message or Instant Messaging
-
IMAP—Internet Message Access Protocol
-
IME—Input Method Editor
-
INFOSEC—Information Systems Security
-
I/O—Input/output
-
IoT—Internet of Things
-
IP—Intellectual Property
-
IP—Internet Protocol
-
IPAM—IP Address Management
-
IPC—Inter-Process Communication
-
IPL—Initial Program Load
-
IPMI—Intelligent Platform Management Interface
-
IPO—Inter Procedural Optimization
-
IPP—Internet Printing Protocol
-
IPS—In-Plane Switching
-
IPS—Instructions Per Second
-
IPS—Intrusion Prevention System
-
IPsec—Internet Protocol security
-
IPTV—Internet Protocol Television
-
IPv4—Internet Protocol version 4
-
IPv6—Internet Protocol version 6
-
IPX—Internetwork Packet Exchange
-
IR—Intermediate Representation
-
IRC—Internet Relay Chat
-
IrDA—Infrared Data Association
-
IRI—Internationalized Resource Identifier
-
IRP—I/O Request Packet
-
IRQ—Interrupt Request
-
IS—Information Systems
-
IS-IS—Intermediate System to Intermediate System
-
ISA—Industry Standard Architecture
-
ISA—Instruction Set Architecture
-
ISAM—Indexed Sequential Access Method
-
ISATAP—Intra-Site Automatic Tunnel Addressing Protocol
-
ISC—Internet Storm Center
-
iSCSI—Internet Small Computer System Interface
-
ISDN—Integrated Services Digital Network
-
ISO—International Organization for Standardization
-
iSNS—Internet Storage Name Service
-
ISP—Internet Service Provider
-
ISPF—Interactive System Productivity Facility
-
ISR—Interrupt Service Routine
-
ISV—Independent Software Vendor
-
IT—Information Technology
-
ITIL—Information Technology Infrastructure Library
-
ITL—Interval Temporal Logic
-
ITU—International Telecommunication Union
-
IVR(S)—Interactive Voice Response (System)
J
-
J2EE—Java 2 Enterprise Edition
-
J2ME—Java 2 Micro Edition
-
J2SE—Java 2 Standard Edition
-
JAXB—Java Architecture for XML Binding
-
JAX-RPC—Jakarta XML (formerly Java XML) for Remote Procedure Calls
-
JAXP—Java API for XML Processing
-
JBOD—Just a Bunch of Disks
-
JCE— Java Cryptography Extension
-
JCL—Job Control Language
-
JCP—Java Community Process
-
JDBC—Java Database Connectivity
-
JDK—Java Development Kit
-
JEE—Java Enterprise Edition
-
JES—Job Entry Subsystem
-
JDS—Java Desktop System
-
JFC—Java Foundation Classes
-
JFET—Junction Field-Effect Transistor
-
JFS—IBM Journaling File System
-
JINI—Jini Is Not Initials
-
JIT—Just-In-Time
-
JME—Java Micro Edition
-
JMX—Java Management Extensions
-
JMS—Java Message Service
-
JNDI—Java Naming and Directory Interface
-
JNI—Java Native Interface
-
JNZ—Jump non-zero
-
JPEG—Joint Photographic Experts Group
-
JRE—Java Runtime Environment
-
JS—JavaScript
-
JSE—Java Standard Edition
-
JSON—JavaScript Object Notation
-
JSP—Jackson Structured Programming
-
JSP—JavaServer Pages
-
JTAG—Joint Test Action Group
-
JVM—Java Virtual Machine
K
-
K&R—Kernighan and Ritchie
-
K8s—Kubernetes
-
KB—Keyboard
-
Kb—Kilobit
-
KB—Kilobyte
-
KB—Knowledge Base
-
Kbps—Kilobits per second
-
KiB—Kibibyte
-
KDE—K Desktop Environment
-
kHz—Kilohertz
- KM—Knowledge Machine
-
KRL—Knowledge Representation Language
-
KVM—Keyboard, Video, Mouse
L
-
L10N—Localization
-
L2TP—Layer two Tunneling Protocol
-
LACP—Link Aggregation Control Protocol
-
LAMP—Linux Apache MySQL Perl
-
LAMP—Linux Apache MySQL PHP
-
LAMP—Linux Apache MySQL Python
-
LAN—Local Area Network
-
LBA—Logical Block Addressing
-
LB—Load Balancer
-
LCD—Liquid Crystal Display
-
LCR—Least Cost Routing
-
LCOS—Liquid Crystal On Silicon
-
LDAP—Lightweight Directory Access Protocol
-
LE—Logical Extents
-
LED—Light-Emitting Diode
-
LF—Line Feed
-
LF—Low Frequency
-
LFS—Linux From Scratch
-
LGA—Land Grid Array
-
LGPL—Lesser General Public License
-
LIB—LIBrary
-
LIF—Low Insertion Force
-
LIFO—Last In First Out
-
LILO—Linux Loader
- LIP—Loop Initialization Primitive
-
LISP—LISt Processing
-
LKML—Linux Kernel Mailing List
-
LM—Lan Manager
-
LOC—Lines of Code
-
LPC—Lars Pensjö C
-
LPI—Lines Per Inch
-
LPI—Linux Professional Institute
-
LPT— Line Print Terminal
-
LRU—Least Recently Used
-
LSB—Least Significant Bit
-
LSB—Linux Standard Base
-
LSI—Large-Scale Integration
-
LTE—Long Term Evolution
-
LTL—Linear Temporal Logic
-
LTR—Left-to-Right
-
LUG—Linux User Group
-
LUN—Logical Unit Number
-
LV—Logical Volume
-
LVD—Low Voltage Differential
-
LVM—Logical Volume Management
-
LZW—Lempel-Ziv-Welch
M
N
-
NAC—Network Access Control
-
NACK—Negative ACKnowledgement
-
NAK—Negative AcKnowledge Character
-
NaN—Not a Number
-
NAP—Network Access Protection
-
NAS—Network-Attached Storage
-
NASM—Netwide ASseMbler
-
NAT—Network Address Translation
-
NCP—NetWare Core Protocol
-
NCQ—Native Command Queuing
-
NCSA—National Center for Supercomputing Applications
-
NDIS—Network Driver Interface Specification
-
NDPS—Novell Distributed Print Services
-
NDS—Novell Directory Services
-
NEP—Network Equipment Provider
-
NetBIOS—Network Basic Input/Output System
-
NetBT—NetBIOS over TCP/IP
-
NEXT—Near-End CrossTalk
-
NFA—Nondeterministic Finite Automaton
-
NFC—Near-field communication
-
NFS—Network File System
-
NFT—Non-Fungible Token
- NGL—aNGeL
-
NGSCB—Next-Generation Secure Computing Base
-
NI—National Instruments
-
NIC—Network Interface Controller or Network Interface Card
-
NIM—No Internal Message
-
NIO—Non-blocking I/O
-
NIST—National Institute of Standards and Technology
-
NLE—Non-Linear Editing system
-
NLP—Natural Language Processing
-
NLS—Native Language Support
-
NMI—Non-Maskable Interrupt
-
NNTP—Network News Transfer Protocol
-
NOC—Network Operations Center
-
NOP—No OPeration
-
NOS—Network Operating System
-
NP—Nondeterministic Polynomial time
-
NPL—Netscape Public License
-
NPTL—Native POSIX Thread Library
-
NPU—Network Processing Unit
-
NS—Netscape
-
NSA—Network Security Appliance
-
NSI—Network Service Interface
-
NSIS—Nullsoft Scriptable Install System
-
NSPR—Netscape Portable Runtime
-
NSS—Novell Storage Service
-
NSS—Network Security Services
-
NSS—Name Service Switch
-
NT—New Technology
-
NTFS—NT Filesystem
-
NTLM—NT Lan Manager
-
NTP—Network Time Protocol
-
NUMA—Non-Uniform Memory Access
-
NURBS—Non-Uniform Rational B-Spline
-
NVR—Network Video Recorder
-
NVRAM—Non-Volatile Random-Access Memory
O
-
OASIS—Organization for the Advancement of Structured Information Standards
-
OAT—Operational Acceptance Testing
-
OBSAI—Open Base Station Architecture Initiative
-
OCR—Optical Character Recognition
-
ODBC—Open Database Connectivity
-
OEM—Original Equipment Manufacturer
-
OES—Open Enterprise Server
-
OFDM—Orthogonal Frequency-Division Multiplexing
-
OFTC—Open and Free Technology Community
-
OID—Object Identifier
-
OLAP—Online Analytical Processing
-
OLE—Object Linking and Embedding
-
OLED—Organic Light Emitting Diode
-
OLPC—One Laptop per Child
-
OLTP—Online Transaction Processing
-
OMF—Object Module Format
-
OMG—Object Management Group
-
OMR—Optical Mark Reader
-
OO—Object-Oriented
-
OO—OpenOffice
-
OOE—Out-of-Order Execution
-
OOM—Out Of Memory
-
OOo—OpenOffice.org
-
OoOE—Out-of-Order Execution
-
OOP—Object-Oriented Programming
-
OOTB—Out of the box
-
OPML—Outline Processor Markup Language
-
ORB—Object Request Broker
-
ORM—Object–Relational Mapping
-
OS—Open Source
-
OS—Operating System
-
OSCON—O'Reilly Open Source CONvention
-
OSDN—Open Source Development Network
-
OSI—Open Source Initiative
-
OSI—Open Systems Interconnection
-
OSPF—Open Shortest Path First
-
OSS—Open Sound System
-
OSS—Open-Source Software
-
OSS—Operations Support System
-
OSTG—Open Source Technology Group
-
OTP—One-time password
-
OUI—Organizationally Unique Identifier
P
-
P2P—Peer-To-Peer
-
PaaS—Platform as a Service
-
PAM—Privileged Access Management
-
PAN—Personal Area Network
-
PAP—Password Authentication Protocol
-
PARC—Palo Alto Research Center
-
PATA—Parallel ATA
-
PBS—Portable Batch System
-
PC—Personal Computer
-
PCB—Printed Circuit Board
-
PCB—Process Control Block
-
PC DOS—Personal Computer Disc Operating System
-
PCI—Peripheral Component Interconnect
-
PCIe—PCI Express
-
PCI-X—PCI Extended
-
PCL—Printer Command Language
-
PCMCIA—Personal Computer Memory Card International Association
-
PCM—Pulse-Code Modulation
-
PCRE—Perl Compatible Regular Expressions
-
PD—Public Domain
-
PDA—Personal Digital Assistant
-
PDF—Portable Document Format
-
PDH—Plesiochronous Digital Hierarchy
-
PDP—Programmed Data Processor
-
PE—Physical Extents
-
PE—Portable Executable
-
PERL—Practical Extraction and Reporting Language
-
PFA—Please Find Attachment
-
PG—Peripheral Gateway
-
PGA—Pin Grid Array
-
PGA—Programmable Gate Array
-
PGO—Profile-Guided Optimization
-
PGP—Pretty Good Privacy
-
PHP—Hypertext Preprocessor
-
PIC—Peripheral Interface Controller
-
PIC—Programmable Interrupt Controller
-
PID—Proportional-Integral-Derivative
-
PID—Process ID
-
PIM—Personal Information Manager
-
PINE—Program for Internet News and Email
-
PIM—Platform Independent Model
-
PING—Packet Internet Gopher
-
PIO—Programmed Input/Output
-
Pixel—Picture element
-
PKCS—Public Key Cryptography Standards
-
PKI—Public Key Infrastructure
-
PLC—Power Line Communication
-
PLC—Programmable Logic Controller
-
PLD—Programmable Logic Device
-
PL/I—Programming Language One
-
PL/M—Programming Language for Microcomputers
-
PL/P—Programming Language for Prime
-
PLT—Power Line Telecommunications
-
PMM—POST Memory Manager
-
PNG—Portable Network Graphics
-
PnP—Plug-and-Play
-
PNRP—Peer Name Resolution Protocol
-
PoE—Power over Ethernet
-
PoS—Point of Sale
-
POCO—Plain Old Class Object
-
POID—Persistent Object Identifier
-
POJO—Plain Old Java Object
-
POP—Point of Presence
-
POP3—Post Office Protocol v3
-
POSIX—Portable Operating System Interface, formerly IEEE-IX
-
POST—Power-On Self Test
-
PPC—PowerPC
-
PPI—Pixels Per Inch
-
PPM—Pages Per Minute
-
PPP—Point-to-Point Protocol
-
PPPoA—PPP over ATM
-
PPPoE—PPP over Ethernet
-
PPTP—Point-to-Point Tunneling Protocol
-
PR—Pull Request
-
PROM—Programmable Read-Only Memory
-
PS—PostScript
-
PS/2—Personal System/2
-
PSA—Professional Services Automation
-
PSM—Platform Specific Model
-
PSTN—Public Switched Telephone Network
-
PSU—Power Supply Unit
-
PSVI—Post-Schema-Validation Infoset
-
PTS-DOS—PhysTechSoft – Disk Operating System
-
PV—Physical Volume
-
PVG—Physical Volume Group
-
PVR—Personal Video Recorder
-
PXE—Preboot Execution Environment
-
PXI—PCI eXtensions for Instrumentation
-
PRC—Procedure Remote Call
Q
-
QDR—Quad Data Rate
-
QA—Quality Assurance
-
QFP—Quad Flat Package
-
QoS—Quality of Service
-
QOTD—Quote of the Day
-
Qt—Quasar Toolkit[
citation needed]
-
QTAM—Queued Teleprocessing Access Method
-
QSOP—Quarter Small Outline Package
-
qWave—Quality Windows Audio/Video Experience
R
-
RACF—Resource Access Control Facility
-
RAD—Rapid Application Development
-
RADIUS—Remote Authentication Dial In User Service
-
RAID—Redundant Array of Independent Disks
-
RAII—Resource Acquisition Is Initialization
-
RAIT—Redundant Array of Inexpensive Tapes
-
RAM—Random-Access Memory
-
RARP—Reverse Address Resolution Protocol
-
RAS—Reliability, Availability and Serviceability
-
RAS—Remote access service
-
RC—Region Code
-
RC—Release Candidate
-
RC—Run Commands
-
RCA—Root Cause Analysis
-
RCS—Revision Control System
-
RD—Remote Desktop
-
rd—remove directory
-
RDBMS—Relational Database Management System
-
RDC—Remote Desktop Connection
-
RDF—Resource Description Framework
-
RDM—Relational Data Model
-
RDOS—Real-time Disk Operating System
-
RDP—Remote Desktop Protocol
-
RDS—Remote Data Services
-
REFAL—Recursive Functions Algorithmic Language
- REP—RAID Error Propagation
-
REST—Representational State Transfer
- RESV—Reservation Message
-
regex—Regular Expression
-
regexp—Regular Expression
-
RF—Radio Frequency
-
RFC—Request For Comments
-
RFI—Radio Frequency Interference
-
RFID—Radio Frequency Identification
-
RGB—Red, Green, Blue
- RGBA—Red, Green, Blue, Alpha
-
RHL—Red Hat Linux
-
RHEL—Red Hat Enterprise Linux
-
RIA—Rich Internet Application
-
RIAA—Recording Industry Association of America
-
RIP—Raster Image Processor
-
RIP—Routing Information Protocol
-
RIR—Regional Internet registry
-
RISC—Reduced Instruction Set Computer
-
RISC OS—Reduced Instruction Set Computer Operating System
-
RJE—Remote Job Entry
-
RLE—Run-Length Encoding
-
RLL—Run-Length Limited
-
rmdir—remove directory
-
RMI—Remote Method Invocation
-
RMS—Richard Matthew Stallman
-
ROM—Read-Only Memory
-
ROMB—Read-Out Motherboard
-
ROM-DOS—Read-Only Memory – Disk Operating System
-
RPA—Robotic Process Automation
-
RPC—Remote Procedure Call
-
RPG—Report Program Generator
-
RPM—RPM Package Manager
-
RRAS—Routing and Remote Access Service
-
RSA—Rivest Shamir Adleman
-
RSI—Repetitive Strain Injury
-
RSS—Radio Service Software
-
RSS—Rich Site Summary, RDF Site Summary, or Really Simple Syndication
-
RSVP—Resource Reservation Protocol
-
RTAI—Real-Time Application Interface
-
RTC—Real-Time Clock
-
RTE—Real-Time Enterprise
-
RTEMS—Real-Time Executive for Multiprocessor Systems
-
RTF—Rich Text Format
-
RTL—Right-to-Left
-
RTMP—Real Time Messaging Protocol
-
RTOS—Real-Time Operating System
-
RTP—Real-time Transport Protocol
-
RTS—Ready To Send
-
RTSP—Real Time Streaming Protocol
-
RTTI—Run-time Type Information
-
RTU—Remote Terminal Unit
-
RWD—Responsive Web Design
S
T
-
TAO—Track-At-Once
-
TAPI—Telephony Application Programming Interface
-
TASM—Turbo ASseMbler
-
TB—TeraByte
-
Tcl—Tool Command Language
-
TCP—Transmission Control Protocol
-
TCP/IP—Transmission Control Protocol/Internet Protocol
-
TCU—Telecommunication Control Unit
-
TDMA—Time-Division Multiple Access
-
TDP—Thermal Design Power
-
TFT—Thin-Film Transistor
-
TFTP—Trivial File Transfer Protocol
-
TI—Texas Instruments
-
TIFF—Tagged Image File Format
-
TLA—Three-Letter Acronym
-
TLD—Top-Level Domain
-
TLS—Thread-Local Storage
-
TLS—Transport Layer Security
-
TLV—Type—length—value
-
tmp—temporary
-
TNC—Terminal Node Controller
-
TNC—Threaded Neill-Concelman connector
-
TPF—Transaction Processing Facility
-
TPM—Trusted Platform Module
-
TROFF—Trace Off
-
TRON—Trace On
-
TRON—The Real-time Operating system Nucleus
-
TRSDOS—Tandy Radio Shack – Disk Operating System
-
TSO—Time Sharing Option
-
TSP—Traveling Salesman Problem
-
TSR—Terminate and Stay Resident
- TTA—True Tap Audio
-
TTF—TrueType Font
-
TTL—Transistor—Transistor Logic
-
TTL—Time To Live
-
TTS—Text-to-Speech
-
TTY—Teletype
-
TUCOWS—The Ultimate Collection of Winsock Software
-
TUG—TeX Users Group
-
TWAIN—Technology Without An Interesting Name
U
-
UAAG—User Agent Accessibility Guidelines
-
UAC—User Account Control
-
UART—Universal Asynchronous Receiver/Transmitter
-
UAT—User Acceptance Testing
-
UB—Undefined Behavior
-
UCS—Universal Character Set
-
UDDI—Universal Description, Discovery, and Integration
-
UDMA—Ultra DMA
-
UDP—User Datagram Protocol
-
UEFI—Unified Extensible Firmware Interface
-
UHF—Ultra High Frequency
-
UI—User Interface
-
UL—Upload
-
ULA—Uncommitted Logic Array
-
ULSI—Ultra Large Scale Integration
-
UMA—Upper Memory Area
-
UMB—Upper Memory Block
-
UML—Unified Modeling Language
-
UML—User-Mode Linux
-
UMPC—Ultra-Mobile Personal Computer
-
UMTS—Universal Mobile Telecommunications System
-
UNC—Universal Naming Convention
-
UNIVAC—Universal Automatic Computer (By MKS)
-
UPS—Uninterruptible Power Supply or Uninterrupted Power Supply
-
URI—Uniform Resource Identifier
-
URL—Uniform Resource Locator
-
URN—Uniform Resource Name
-
USB—Universal Serial Bus
-
usr—User System Resources
-
USR—U.S. Robotics
-
UTC—Coordinated Universal Time
-
UTF—Unicode Transformation Format
-
UTP—Unshielded Twisted Pair
-
UTRAN—Universal Terrestrial Radio Access Network
-
UUCP—Unix to Unix Copy
-
UUID—Universally Unique Identifier
-
UUN—Universal User Name
-
UVC—Universal Virtual Computer
-
UWP—Universal Windows Platform
-
UX—User Experience
V
-
var—variable
-
VoLTE—Voice Over Long Term Evolution
-
VAX—Virtual Address eXtension
-
VCPI—Virtual Control Program Interface
-
VB—Visual Basic
-
VBA—Visual Basic for Applications
-
VBS—Visual Basic Script
-
VDI—Virtual Desktop Infrastructure
-
VDU—Visual Display Unit
-
VDM—Virtual DOS machine
-
VDSL—Very High Bitrate Digital Subscriber Line
-
VESA—Video Electronics Standards Association
-
VFAT—Virtual FAT
-
VHD—Virtual Hard Disk
-
VFS—Virtual File System
-
VG—Volume Group
-
VGA—Video Graphics Array
-
VHF—Very High Frequency
-
VIRUS—Vital Information Resource Under Seize
-
VLAN—Virtual Local Area Network
-
VLSM—Variable Length Subnet Mask
-
VLB—Vesa Local Bus
-
VLF—Very Low Frequency
-
VLIW—Very Long Instruction Word
-
VLSI—Very-Large-Scale Integration
-
VM—Virtual Machine
-
VM—Virtual Memory
-
VMM—Virtual Machine Monitor
-
VNC—Virtual Network Computing
-
VOD—Video On Demand
-
VoIP—Voice over Internet Protocol
-
VPN—Virtual Private Network
-
VPS—Virtual Private Server
-
VPU—Visual Processing Unit
-
VR—Virtual Reality
-
VRML—Virtual Reality Modeling Language
-
VSAM—Virtual Storage-Access Method
-
VSAT—Very Small Aperture Terminal
-
VT—Video Terminal
-
VTL—Virtual Tape Library
-
VTAM—Virtual Telecommunications Access Method
-
VRAM—Video Random-Access Memory
W
-
W3C—World Wide Web Consortium
-
WWDC—
Apple World Wide Developer Conference
-
WAFS—Wide Area File Services
-
WAI—Web Accessibility Initiative
-
WAIS—Wide Area Information Server
-
WAN—Wide Area Network
-
WAP—Wireless Access Point
-
WAP—Wireless Application Protocol
-
WASM—Watcom ASseMbler
-
WBEM—Web-Based Enterprise Management
-
WCAG—Web Content Accessibility Guidelines
-
WCF—Windows Communication Foundation
-
WDM—Wavelength-Division Multiplexing
-
WebDAV—WWW Distributed Authoring and Versioning
-
WEP—Wired Equivalent Privacy
-
WFI—Wait For Interrupt
-
Wi-Fi—Wireless Fidelity
-
WiMAX—Worldwide Interoperability for Microwave Access
-
WinFS—Windows Future Storage
-
WinRT—Windows RunTime
-
WINS—Windows Internet Name Service
-
WLAN—Wireless Local Area Network
-
WMA—Windows Media Audio
-
WMI—Windows Management Instrumentation
-
WMV—Windows Media Video
-
WNS—Windows Push Notification Service
-
WOL—Wake-on-LAN
-
WOR—Wake-on-Ring
-
WORA—Write once, run anywhere
-
WORE—Write once, run everywhere
-
WORM—Write Once Read Many
-
WPA—Wi-Fi Protected Access
-
WPAD—Web Proxy Autodiscovery Protocol
-
WPAN—Wireless Personal Area Network
-
WPF—Windows Presentation Foundation
-
WS-D—Web Services-Discovery
-
WSDL—Web Services Description Language
-
WSFL—Web Services Flow Language
-
WUSB—Wireless Universal Serial Bus
-
WWAN—Wireless Wide Area Network
-
WWID—World Wide Identifier
-
WWN—World Wide Name
-
WWW—World Wide Web
-
WYSIWYG—What You See Is What You Get
-
WZC—Wireless Zero Configuration
X
-
XAG—XML Accessibility Guidelines
-
XAML—eXtensible Application Markup Language
-
XDM—X Window Display Manager
-
XDMCP—X Display Manager Control Protocol
-
XCBL—XML Common Business Library
-
XHTML—eXtensible Hypertext Markup Language
-
XILP—X Interactive ListProc
-
XML—eXtensible Markup Language
-
XMMS—X Multimedia System
-
XMPP—eXtensible Messaging and Presence Protocol
-
XMS—Extended Memory Specification
-
XNS—Xerox Network Systems
-
XP—Cross-Platform
-
XP—Extreme Programming
-
XPCOM—Cross Platform Component Object Model
-
XPI—XPInstall
-
XPIDL—Cross-Platform IDL
-
XPS—XML Paper Specification
-
XSD—XML Schema Definition
-
XSL—eXtensible Stylesheet Language
-
XSL-FO—eXtensible Stylesheet Language Formatting Objects
-
XSLT—eXtensible Stylesheet Language Transformations
-
XSS—Cross-Site Scripting
-
XTF—eXtensible Tag Framework
-
XTF—eXtended Triton Format
-
XUL—XML User Interface Language
-
XVGA—Extended Video Graphics Adapter
Y
-
Y2K—Year Two Thousand
-
Y2K38—Year Two Thousand Thirty Eight
-
YAAF—Yet Another Application Framework
-
YACC—Yet Another Compiler Compiler
-
YAGNI—You Aren't Gonna Need It
-
YAML—YAML Ain't Markup Language
-
YARN—Yet Another Resource Negotiator
-
YaST—Yet another Setup Tool
Z
-
ZCAV—Zone Constant Angular Velocity
-
ZCS—Zero Code Suppression
-
ZIF—Zero Insertion Force
-
ZIFS—Zero Insertion Force Socket
-
ZIP—ZIP file archive
-
ZISC—Zero Instruction Set Computer
-
ZOI—Zero One Infinity
-
ZOPE—Z Object Publishing Environment
-
ZMA—Zone Multicast Address
-
ZPL—Z-level Programming Language
See also
References
External links