List of Information Technology (IT) abbreviation

I.T.” Stands for “Information Technology“, It refers to anything related to computer technology, such as networkinghardwaresoftwarethe Internet, or the people that work with these technologies. IT jobs including computer programming, network administration, computer engineeringWeb development, technical support, and other related occupations. As we live in the “information age,” information technology has become a part of our everyday lives. That means the term “IT,” already highly overused, is here to stay. So IT is not a small subject. It is a largest subject and it use a lot of abbreviations. So if you want to study as well in this subject or if you want to get IT (Information Technology) Related job, of course you need to read that what is abbreviation which is used in IT. So I have collected a list of Information Technology IT abbreviation for you.

So enjoy…

Information Technology (IT) and Computing Abbreviation List

 

Information Technology abbreviation List

 

IT abbreviation list – A

  1. AA = Anti-Aliasing
  2. AD = Active Directory
  3. AD = Administrative Domain
  4. AE = Adaptive Equalizer
  5. AL = Active Link
  6. AL = Access List
  7. AT = Access Time / Advanced Technology
  8. AT = Active Terminator
  9. AM = Access Method
  10. AM = Active Matrix
  11. AM = Active Monitor
  12. AM = Allied Mastercomputer
  13. AM = Amplitude Modulation
  14. AS = Access Server
  15. ASG = Abstract Semantic Graph
  16. ASM = Algorithmic State Machine
  17. APL = A Programming Language
  18. APR = Apache Portable Runtime
  19. ARC = Adaptive Replacement Cache
  20. ARC = Advanced RISC Computing
  21. AMR = Audio Modem Riser
  22. ANN = Artificial Neural Network
  23. ANSI = American National Standards Institute
  24. ANT = Another Neat Tool
  25. AoE = ATA over Ethernet
  26. AOP = Aspect-Oriented Programming
  27. AMD = Advanced Micro Devices
  28. ASP = Application Service Provider
  29. ATA = Advanced Technology Attachment
  30. AVC = Advanced Video Coding
  31. AVI = Audio Video Interleaved
  32. AWK = Aho Weinberger Kernighan
  33. AWT = Abstract Window Toolkit
  34. ATM = Asynchronous Transfer Mode
  35. AAT = Average Access Time
  36. AAC = Advanced Audio Coding
  37. AAL = ATM Adaptation Layer
  38. ABI = Application Binary Interface
  39. ABM = Asynchronous Balanced Mode
  40. ABR = Area Border Router
  41. ABR = Auto Baud-Rate detection
  42. ABR = Average Bitrate
  43. ACD = Automatic Call Distributor
  44. ACE = Advanced Computing Environment
  45. ACL = Access Control List
  46. AMIE = Associate Member of the Institute of Engineers
  47. AABB = Axis Aligned Bounding Box
  48. AALC = ATM Adaptation Layer Connection
  49. AARP = AppleTalk Address Resolution Protocol
  50. ABCL = Actor-Based Concurrent Language
  51. ACID = Atomicity Consistency Isolation Durability
  52. ACM = Association for Computing Machinery
  53. ACME = Automated Classification of Medical Entities
  54. ACP = Airline Control Program
  55. ACPI = Advanced Configuration and Power Interface
  56. ADC = Analog-to-Digital Converter
  57. ADCCP = Advanced Data Communications Control Procedures
  58. ADO = ActiveX Data Objects
  59. ADSL = Asymmetric Digital Subscriber Line
  60. ADT = Abstract Data Type
  61. AES =  Advanced Encryption Standard
  62. AGP = Accelerated GraphicsPort
  63. AI = Artificial Intelligence
  64. Ajax = Asynchronous JavaScript and XML
  65. ALGOL = Algorithmic Language
  66. ALSA = Advanced Linux Sound Architecture
  67. ALU = Arithmetic and Logical Unit
  68. AMOLED = Active-Matrix Organic Light-Emitting Diode
  69. AMQP = Advanced Message Queuing Protocol
  70. APCI = Application-Layer Protocol Control Information
  71. API = Application Programming Interface
  72. APIC = Advanced Programmable Interrupt Controller
  73. APIPA = Automatic Private IP Addressing
  74. ARIN = American Registry for Internet Numbers
  75. ARM = Advanced RISC Machines
  76. AROS = AROS Research Operating System
  77. ARP = Address Resolution Protocol
  78. ARPA = Address and Routing Parameter Area
  79. ARPA = Advanced Research Projects Agency
  80. ARPANET = Advanced Research Projects Agency Network
  81. ASCII = American Standard Code for Information Interchange
  82. ASIC = Application-Specific Integrated Circuit
  83. ASIMO = Advanced Step in Innovative Mobility
  84. ASMP = Asymmetric Multiprocessing
  85. ATAG = Authoring Tool Accessibility Guidelines
  86. ATAPI = Advanced Technology Attachment Packet Interface

 

IT abbreviation list – B

  1. bit = binary digit
  2. bps = bits per second
  3. Blob = Binary large object
  4. Blog = Web Log
  5. BW = Bandwidth
  6. BT = BitTorrent
  7. BT = Bluetooth
  8. BSS = Block Started by Symbol
  9. BRR = Business Readiness Rating
  10. BSA = Business Software Alliance
  11. BPL = Broadband over Power Lines
  12. BPM = Business Process Modeling
  13. BSB = Backside Bus
  14. BSD = Berkeley Software Distribution
  15. BCD = Binary Coded Decimal
  16. BEEP = Blocks Extensible Exchange Protocol
  17. BER = Bit Error Rate
  18. BFD = Bidirectional Forwarding Detection
  19. BFD = Binary File Descriptor
  20. BGP = Border Gateway Protocol
  21. BINAC = Binary Automatic Computer
  22. BIND = Berkeley Internet Name Domain
  23. BIOS = Basic Input Output System
  24. BJT = Bipolar Junction Transistor
  25. BMP = Basic Multilingual Plane
  26. BOINC = Berkeley Open Infrastructure for Network Computing
  27. BOM = Byte Order Mark
  28. BOOTP = Bootstrap Protocol
  29. BPDU = Bridge Protocol Data Unit
  30. BPEL = Business Process Execution Language
  31. BSoD = Blue Screen of Death
  32. BTAM = Basic Telecommunications Access Method

 

IT abbreviation list – C

  1. cc = C Compiler
  2. CD = Compact Disc
  3. CM = Configuration Management
  4. CM = Content Management
  5. CS = Cable Select
  6. CS = Computer Science
  7. CP/M = Control Program/Monitor
  8. CF = Compact Flash
  9. CG = Computer Graphics
  10. CGA = Color Graphics Array
  11. CES = Consumer Electronics Show
  12. CFD = Computational Fluid Dynamics
  13. CGI = Common Gateway Interface
  14. CGI = Computer-Generated Imagery
  15. CGT = Computational Graph Theory
  16. CPRI = Common Public Radio Interface
  17. CPU = Central Processing Unit
  18. CRAN = Comprehensive R Archive Network
  19. CRC = Cyclic Redundancy Check
  20. CRLF = Carriage Return Line Feeds
  21. CRS = Computer Reservations System
  22. CRT = Cathode Ray Tube
  23. CTAN = Comprehensive TeX Archive Network
  24. CTI = Computer Telephony Integration
  25. CTL = Computational Tree Logic
  26. CTSS = Compatible Time-Sharing System
  27. CUA = Common User Access
  28. CVS = Concurrent Versioning System
  29. CSE = Computer Science and Engineering
  30. CSI = Common System Interface
  31. CSP = Communicating Sequential Processes
  32. CSS = Cascading Style Sheets
  33. CSS = Content-Scrambling System
  34. CSS = Closed Source Software
  35. CSS = Cross-Site Scripting
  36. CIFS = Common Internet Filesystem
  37. CIM = Common Information Model
  38. CIM = Computationally Independent Model
  39. CLI = Command Line Interface
  40. CLR = Common Language Runtime
  41. CAI = Computer-Aided Instruction
  42. CDE = Common Desktop Environment
  43. CAT = Computer-Aided Translation
  44. CAQ = Computer-Aided Quality Assurance
  45. CDMA = Code Division Multiple Access
  46. CDN = Content Delivery Network
  47. CDP = Continuous Data Protection
  48. CD-R = CD-Recordable
  49. CD-ROM = CD Read-Only Memory
  50. CD-RW = CD-Rewritable
  51. CAD = Computer-Aided Design
  52. CAE = Computer-Aided Engineering
  53. CAID = Computer-Aided Industrial Design
  54. CAM = Computer-Aided Manufacturing
  55. CAPTCHA = Completely Automated Public Turing Test to tell Computers and Humans Apart
  56. CASE = Computer-Aided Software Engineering
  57. CDSA = Common Data Security Architecture
  58. CERT = Computer Emergency Response Team
  59. CHAP = Challenge-Handshake Authentication Protocol
  60. CHS = Cylinder-Head-Sector
  61. CIDR = Classless Inter-Domain Routing
  62. CISC = Complex Instruction Set Computer
  63. CMMI = Capability Maturity Model Integration
  64. CMOS = Complementary Metal-Oxide Semiconductor
  65. CMS = Content Management System
  66. CNC = Computer Numerical Control
  67. CNR = Communications and Networking Riser
  68. COBOL = Common Business-Oriented Language
  69. COM = Component Object Model
  70. CPA = Cell Processor Architecture
  71. CPAN = Comprehensive Perl Archive Network

 

IT abbreviation list – D

  1. DB = Database
  2. DP = Dot Pitch
  3. DD = Double Density
  4. DDE = Dynamic Data Exchange
  5. DDL = Data Definition Language
  6. DDoS = Distributed Denial of Service
  7. DDR = Double Data Rate
  8. DEC = Digital Equipment Corporation
  9. DES = Data Encryption Standard
  10. DFA = Deterministic Finite Automaton
  11. DFD = Data Flow Diagram
  12. DFS = Depth-First Search
  13. DFS = Distributed File System
  14. DGD = Dworkin’s Game Driver
  15. DPC = Deferred Procedure Call
  16. DPI = Deep Packet Inspection
  17. DPI = Dots Per Inch
  18. DSL = Digital Subscriber Line
  19. DSL = Domain-Specific Language
  20. DAC = Digital-To-Analog Converter
  21. DAC = Discretionary Access Control
  22. DAL = Database Abstraction Layer
  23. DAO = Data Access Objects
  24. DAP = Directory Access Protocol
  25. DARPA = Defense Advanced Research Projects Agency
  26. DAT = Digital Audio Tape
  27. DBA = Database Administrator
  28. DBCS = Double Byte Character Set
  29. DBMS = Database Management System
  30. DCC = Direct Client-to-Client
  31. DCCP = Datagram Congestion Control Protocol
  32. DCCA = Debian Common Core Alliance
  33. DCL = Data Control Language
  34. DCMI = Dublin Core Metadata Initiative
  35. DCOM = Distributed Component Object Model
  36. DHCP = Dynamic Host Configuration Protocol
  37. DHTML = Dynamic Hypertext Markup Language
  38. DIF = Data Integrity Field
  39. DIMM = Dual Inline Memory Module
  40. DIP = Dual In-line Package
  41. DIVX = Digital Video Express
  42. DKIM = Domain Keys Identified Mail
  43. Down = Download
  44. DLL = Dynamic Link Library
  45. DLNA = Digital Living Network Alliance
  46. DLP = Digital Light Processing
  47. DMA = Direct Memory Access
  48. DMCA = Digital Millennium Copyright Act
  49. DMI = Direct Media Interface
  50. DML = Data Manipulation Language
  51. DND = Drag-and-Drop
  52. DNS = Domain Name System
  53. DOCSIS = Data Over Cable Service Interface Specification
  54. DOM = Document Object Model
  55. DoS = Denial of Service
  56. DOS = Disk Operating System
  57. DPMI = DOS Protected Mode Interface
  58. DPMS = Display Power Management Signaling
  59. DRAM = Dynamic Random Access Memory
  60. DR-DOS = Digital Research – Disk Operating System
  61. DRI = Direct Rendering Infrastructure
  62. DRM = Digital Rights Management
  63. DRM = Direct Rendering Manager
  64. DSDL = Document Schema Definition Languages
  65. DSDM = Dynamic Systems Development Method
  66. DSLAM = Digital Subscriber Line Access Multiplexer
  67. DSN = Database Source Name
  68. DSN = Data Set Name
  69. DSP = Digital Signal Processor
  70. DTE = Data Terminal Equipment
  71. DTP = Desktop Publishing
  72. DTR = Data Terminal Ready
  73. DVD = Digital Video Disc/ Digital Versatile Disc
  74. DVD-R = DVD-Recordable
  75. DVD-ROM = DVD-Read Only Memory
  76. DVD-RW = DVD-Rewritable
  77. DVI = Digital Visual Interface
  78. DVR = Digital Video Recorder

 

IT abbreviation list – E

  1. EDA = Electronic Design Automation
  2. EDI = Electronic Data Interchange
  3. EDO = Extended Data Out
  4. ELF = Extremely Low Frequency
  5. ELF = Executable and Linkable Format
  6. ELM = ELectronic Mail
  7. EOF = End of File
  8. EOL = End of Life
  9. EOL = End of Line
  10. ERD = Entity-Relationship Diagram
  11. ERM = Entity-Relationship Model
  12. ERP = Enterprise Resource Planning
  13. ESB = Enterprise service bus
  14. ESD = Electrostatic Discharge
  15. ETL = Extract, Transform, Load
  16. ESR = Eric Steven Raymond
  17. EUC = Extended Unix Code
  18. EOM = End Of Message
  19. EAI = Enterprise Application Integration
  20. EAP = Extensible Authentication Protocol
  21. EBCDIC = Extended Binary Coded Decimal Interchange Code
  22. EBML = Extensible Binary Meta Language
  23. ECC = Elliptic Curve Cryptography
  24. ECMA = European Computer Manufacturers Association
  25. ECN = Explicit Congestion Notification
  26. ECOS = Embedded Configurable Operating System
  27. ECRS = Expense and Cost Recovery System
  28. EDSAC = Electronic Delay Storage Automatic Calculator
  29. EDVAC = Electronic Discrete Variable Automatic Computer
  30. EEPROM = Electronically Erasable Programmable Read-Only Memory
  31. EFF = Electronic Frontier Foundation
  32. EFI = Extensible Firmware Interface
  33. EFM = Eight-to-Fourteen Modulation
  34. EGA = Enhanced Graphics Array
  35. EGP = Exterior Gateway Protocol
  36. eID = electronic ID card
  37. EIDE = Enhanced IDE
  38. EIGRP = Enhanced Interior Gateway Routing Protocol
  39. EISA = Extended Industry Standard Architecture
  40. EMACS = Editor MACroS
  41. EMS = Expanded Memory Specification
  42. ENIAC = Electronic Numerical Integrator And Computer
  43. EPIC = Explicitly Parallel Instruction Computing
  44. EPROM = Erasable Programmable Read-Only Memory
  45. ESCON = Enterprise Systems Connection
  46. EULA = End User License Agreement
  47. EWMH = Extended Window Manager Hints
  48. EXT = EXTended file system

 

IT abbreviation list – F

  1. fsck = File System Check
  2. FL = Function Level
  3. FP = Function Programming
  4. FS = File System
  5. FPS = Floating Point Systems
  6. FPU = Floating Point Unit
  7. FRU = Field Replaceable Unit
  8. FSB = Front Side Bus
  9. FSF = Free Software Foundation
  10. FSM = FiniteState Machine
  11. FTTP = Fiber To The Premises
  12. FTP = File Transfer Protocol
  13. FAP = FORTRAN Assembly Program
  14. FAT = File Allocation Table
  15. FAQ = Frequently Asked Questions
  16. FCB = File Control Block
  17. FCS = Frame Check Sequence
  18. FDC = Floppy Disk Controller
  19. FDS = Fedora Directory Server
  20. FDD = Floppy Disk Drive
  21. FBDIMM = Fully Buffered Dual Inline Memory Module
  22. FC-AL = Fibre Channel Arbitrated Loop
  23. FDDI = Fiber Distributed Data Interface
  24. FDMA = Frequency-Division Multiple Access
  25. FEC = Forward Error Correction
  26. FEMB = Front-End Motherboard
  27. FET = Field Effect Transistor
  28. FHS = Filesystem Hierarchy Standard
  29. FICON = FIber CONnectivity
  30. FIFO = First In First Out
  31. FIPS = Federal Information Processing Standards
  32. FLAC = Free Lossless Audio Codec
  33. FLOPS = FLoating-Point Operations Per Second
  34. FLOSS = Free/Libre/Open Source Software
  35. FMC = Fixed Mobile Convergence “Mobile UC or Unified Communications over Wireless”
  36. FOLDOC = Free On-line Dictionary of Computing
  37. FOSDEM = Free and Open source Software Developers’ European Meeting
  38. FOSI = Formatted Output Specification Instance
  39. FPGA = Field Programmable Gate Array
  40. FQDN = Fully Qualified Domain Name
  41. FUD = Fear Uncertainty Doubt
  42. FWS = Folding White Space
  43. FXP = File eXchange Protocol

 

IT abbreviation list – G

  1. Gb = Gigabit
  2. GB = Gigabyte
  3. GPG = GNU Privacy Guard
  4. GPL = General Public License
  5. GPL = General-Purpose Language
  6. GCJ = GNU Compiler for Java
  7. GCR = Group Code Recording
  8. GDI = Graphics Device Interface
  9. GIF = Graphics Interchange Format
  10. GIGO = Garbage In, Garbage Out
  11. G11N = Globalization
  12. GIMP = GNU Image Manipulation Program
  13. GIS = Geographic Information System
  14. GML = Geography Markup Language
  15. GNOME = GNU Network Object Model Environment
  16. GNU = GNU’s Not Unix
  17. GOMS = Goals, Operators, Methods, and Selection rules
  18. GPASM = GNU PIC ASseMbler
  19. GPFS = General Parallel File System
  20. GPGPU = General-Purpose Computing on Graphics Processing Units
  21. GPIB = General-Purpose Instrumentation Bus
  22. GPT = GUID Partition Table
  23. GPU = Graphics Processing Unit
  24. GRUB = Grand Unified Boot-Loader
  25. GSM = Global System for Mobile Communications
  26. GUI = Graphical User Interface
  27. GUID = Globally Unique IDentifier
  28. GWT = Google Web Toolkit
  29. GPRS = General Packet Radio Service

 

IT abbreviation list – H

  1. HP = Hewlett-Packard
  2. HF = High Frequency
  3. Hz = Hertz
  4. HT = Hyper Threading
  5. HTM = Hierarchical Temporal Memory
  6. HHD = Hybrid Hard Drive
  7. HID = Human Interface Device
  8. HMA = High Memory Area
  9. HPC = High-Performance Computing
  10. HAL = Hardware Abstraction Layer
  11. HBA = Host Bus Adapter
  12. HCI = Human Computer Interaction
  13. HDL = Hardware Description Language
  14. HDMI = High-Definition Multimedia Interface
  15. HPFS = High Performance File System
  16. HTC = High-Throughput Computing
  17. HSM = Hierarchical Storage Management
  18. HTML = Hypertext Markup Language
  19. HTTP = Hypertext Transfer Protocol
  20. HTTPd = Hypertext Transport Protocol Daemon
  21. HTX = HyperTransport eXpansion
  22. HVD = Holographic Versatile Disc
  23. HD DVD = High Definition DVD

 

IT abbreviation list – I

  1. IC = Integrated Circuit
  2. IE = Internet Explorer
  3. IL = Intermediate Language
  4. IM = Instant Messaging
  5. I/O = Input/Output
  6. IP = Intellectual Property
  7. IP = Internet Protocol
  8. IR = Intermediate Representation
  9. IS = Information Systems
  10. IT = Information Technology
  11. ITIL = Information Technology Infrastructure Library
  12. ITL = Interval Temporal Logic
  13. ITU = International Telecommunication Union
  14. ISA = Industry Standard Architecture
  15. ISA = Instruction Set Architecture
  16. ISC = Internet Storm Center
  17. IRI = Internationalized Resource Identifier
  18. IRP = I/O Request Packet
  19. IRQ = Interrupt Request
  20. IRC = Internet Relay Chat
  21. IPC = Inter-Process Communication
  22. IPL = Initial Program Load
  23. IPO = Inter Procedural Optimization
  24. IPP = Internet Printing Protocol
  25. IPS = In-Plane Switching
  26. IPS = Instructions Per Second
  27. IPS = Intrusion Prevention System
  28. IPsec = Internet Protocol security
  29. IPTV = Internet Protocol Television
  30. IPX = Internetwork Packet Exchange
  31. IMAP = Internet Message Access Protocol
  32. IME = Input Method Editor
  33. IEC = International Electrotechnical Commission
  34. IBM = International Business Machines
  35. ICE = In-Circuit Emulator
  36. ICE = Intrusion Countermeasure Electronics
  37. ICMP = Internet Control Message Protocol
  38. ICP = Internet Cache Protocol
  39. ICT = Information and Communication Technology
  40. IDE = Integrated Development Environment
  41. IDE = Integrated Drive Electronics
  42. IDF = Intermediate Distribution Frame
  43. IDL = Interface Definition Language
  44. IDS = Intrusion Detection System
  45. IEEE = Institute of Electrical and Electronics Engineers
  46. IETF = Internet Engineering Task Force
  47. IGMP = Internet Group Management Protocol
  48. IGRP = Interior Gateway Routing Protocol
  49. IHV = Independent Hardware Vendor
  50. IIOP = Internet Inter-Orb Protocol
  51. IIS = Internet Information Services
  52. INFOSEC = Information Systems Security
  53. IrDA = Infrared Data Association
  54. ISAM = Indexed Sequential Access Method
  55. iSCSI=Internet Small Computer System Interface
  56. ISDN = Integrated Services Digital Network
  57. iSNS = Internet Storage Name Service
  58. ISP = Internet Service Provider
  59. ISPF = Interactive System Productivity Facility
  60. ISR = Interrupt Service Routine
  61. ISV = Independent Software Vendor
  62. IVRS = Interactive Voice Response System
  63. iBCS = Intel Binary Compatibility Standard
  64. ICANN = Internet Corporation for Assigned Names and Numbers

 

IT abbreviation list – J

  1. JS = JavaScript
  2. JCE= Java Cryptography Extension
  3. JCL=Job Control Language
  4. JCP = Java Community Process
  5. JDK = Java Development Kit
  6. JDS = Java Desktop System
  7. JFC = Java Foundation Classes
  8. JMX = Java Management Extensions
  9. JMS = Java Message Service
  10. JSON = JavaScript Object Notation
  11. JSP = Jackson Structured Programming
  12. JSP = JavaServer Pages
  13. JUG = Java Users Group
  14. JVM = Java Virtual Machine
  15. J2EE=Java 2 Enterprise Edition
  16. J2ME=Java 2 Micro Edition
  17. J2SE=Java 2 Standard Edition
  18. JAXB=Java Architecture for XML Binding
  19. JAX-RPC=Java XML for Remote Procedure Calls
  20. JAXP=Java API for XML Processing
  21. JBOD=Just a Bunch of Disks
  22. JDBC = Java Database Connectivity
  23. JNDI = Java Naming and Directory Interface
  24. JNI = Java Native Interface
  25. JNZ = Jump non-zero
  26. JPEG = Joint Photographic Experts Group
  27. JRE = Java Runtime Environment

 

IT abbreviation list – K

  1. Kb = Kilobit
  2. KB = Kilobyte
  3. kHz = Kilohertz

 

IT abbreviation list – L

  1. LV = Logical Volume
  2. LF = Low Frequency
  3. LE = Logical Extents
  4. LAN = Local Area Network
  5. LBA = Logical Block Addressing
  6. LCD = Liquid Crystal Display
  7. LCR = Least Cost Routing
  8. LED = Light-Emitting Diode
  9. LFS = Linux From Scratch
  10. LGPL = Lesser General Public License
  11. LIF = Low Insertion Force
  12. LVD = Low Voltage Differential
  13. LVM = Logical Volume Management
  14. L2TP = Layer two Tunneling Protocol
  15. LAMP = Linux Apache MySQL Perl
  16. LAMP = Linux Apache MySQL PHP
  17. LAMP = Linux Apache MySQL Python
  18. LCOS = Liquid Crystal On Silicon
  19. LDAP = Lightweight Directory Access Protocol
  20. LIFO=Last In First Out
  21. LILO = Linux Loader
  22. LISP = LISt Processing
  23. LKML = Linux Kernel Mailing List
  24. LOC = Lines of Code
  25. LUN = Logical Unit Number

 

IT abbreviation list – M

  1. MHz = Megahertz
  2. Mb = Megabit
  3. MB = Megabyte
  4. MX = Mail exchange
  5. MS = Memory Stick
  6. MS = Microsoft
  7. ME = [Windows] Millennium Edition
  8. MF = Medium Frequency
  9. MCM = Microsoft Certified Master
  10. MCP = Microsoft Certified Professional
  11. MCT = Microsoft Certified Trainer
  12. MFC = Microsoft Foundation Classes
  13. MFM = Modified Frequency Modulation
  14. MGCP = Media Gateway Control Protocol
  15. MIB = Management Information Base
  16. MDA = Mail Delivery Agent
  17. MDA = Model-Driven Architecture
  18. MDA = Monochrome Display Adapter
  19. MDD/MDSD = Model-Driven (Software) Development
  20. MDF = Main Distribution Frame
  21. MDI = Multiple Document Interface
  22. MSB = Most Significant Bit
  23. MS-DOS = Microsoft DOS
  24. MTA = Mail Transfer Agent
  25. MTA = Microsoft Technology Associate
  26. MTU = /Maximum Transmission Unit
  27. MSA = Mail Submission Agent
  28. MSDN = Microsoft Developer Network
  29. MSI = Message Signaled Interrupt
  30. MSI = Microsoft Installer
  31. MAC = Mandatory Access Control
  32. MAC = Media Access Control
  33. MAN = Metropolitan Area Network
  34. MBD = Model-Based Design
  35. MBR = Master Boot Record
  36. MANET = Mobile Ad-Hoc Network
  37. MAPIV = Messaging Application Programming Interface
  38. MBCS = Multi Byte Character Set
  39. MCAD = Microsoft Certified Application Developer
  40. MCAS = Microsoft Certified Application Specialist
  41. MCDBA = Microsoft Certified DataBase Administrator
  42. MCDST = Microsoft Certified Desktop Support Technician
  43. MCITP = Microsoft Certified Information Technology Professional
  44. MCPD = Microsoft Certified Professional Developer
  45. MCSA = Microsoft Certified Systems Administrator
  46. MCSD = Microsoft Certified Solution Developer
  47. MCSE = Microsoft Certified Systems Engineer
  48. MCTS = Microsoft Certified Technology Specialist
  49. MICR = Magnetic Ink Character Recognition
  50. MIDI = Musical Instrument Digital Interface
  51. MIMD = Multiple Instruction, Multiple Data
  52. MIMO = Multiple-Input Multiple-Output
  53. MIPS = Million Instructions Per Second
  54. MIPS = Microprocessor without Interlocked Pipeline Stages
  55. MIS = Management Information Systems
  56. MISD = Multiple Instruction, Single Data
  57. MIT = Massachusetts Institute of Technology
  58. MIME = Multipurpose Internet Mail Extensions
  59. MMDS = Mortality Medical Data System
  60. MMI = Man Machine Interface.
  61. MMORPG = Massively Multiplayer Online Role-Playing Game
  62. MMU = Memory Management Unit
  63. MMX = Multi-Media Extensions
  64. MNG = Multiple-image Network Graphics
  65. MOS = Microsoft Office Specialist
  66. MOSFET = Metal-Oxide Semiconductor Field Effect Transistor
  67. MOUS = Microsoft Office User Specialist
  68. MPLS = Multiprotocol Label Switching
  69. MPU = Microprocessor Unit
  70. MVC = Model-View-Controller
  71. MVP = Most Valuable Professional
  72. MVS = Multiple Virtual Storage

 

IT abbreviation list – M

  1. NT = New Technology
  2. NTP = Network Time Protocol
  3. NVR = Network Video Recorder
  4. NOC = NetworkOperationsCenter
  5. NOS = Network Operating System
  6. NSS = Novell Storage Service
  7. NSS = Network Security Services
  8. NSS = Name Service Switch
  9. NFA = Nondeterministic Finite Automaton
  10. NFC = Near field communication
  11. NFS = Network File System
  12. NIC = Network Interface Controller
  13. NIM = No Internal Message
  14. NIST = National Institute of Standards and Technology
  15. NLP = Natural Language Processing
  16. NLS = Native Language Support
  17. NPL = Netscape Public License
  18. NPU = Network Processing Unit
  19. NSA = National Security Agency
  20. NAS = Network-Attached Storage
  21. NASM = Netwide ASseMbler
  22. NAT = Network Address Translation
  23. NCP = NetWare Core Protocol
  24. NCQ = Native Command Queuing
  25. NCSA = NationalCenter for Supercomputing Applications
  26. NDPS = Novell Distributed Print Services
  27. NDS = Novell Directory Services
  28. NEP = Network Equipment Provider
  29. NetBIOS = Network Basic Input/Output System
  30. NGSCB = Next-Generation Secure Computing Base
  31. NNTP = Network News Transfer Protocol
  32. NTFS = NT Filesystem
  33. NVRAM = Non-Volatile Random Access Memory

 

IT abbreviation list – O

  1. OS = Operating System
  2. OID = Object Identifier
  3. OMF = Object Module Format
  4. OMG = Object Management Group
  5. OMR = Optical Mark Recognition
  6. ORB = Object Request Broker
  7. ORM = Oject-Relational Mapping
  8. OSI = Open Source Initiative
  9. OSI = Open Systems Interconnection
  10. OSS = Open Sound System
  11. OSS = Open-Source Software
  12. OSS = Operations Support System
  13. OUI = Organizationally Unique Identifier
  14. OLTP = Online Transaction Processing
  15. OPML = Outline Processor Markup Language
  16. OSCON = O’Reilly Open Source CONvention
  17. OSDN = Open Source Developer Network
  18. OSPF = Open Shortest Path First
  19. OSTG = Open Source Technology Group
  20. OASIS = Organization for the Advancement of Structured Information Standards
  21. OAT = Operational Acceptance Testing
  22. OBSAI = Open Base Station Architecture Initiative
  23. ODBC = Open DataBase Connectivity
  24. OEM = Original Equipment Manufacturer
  25. OFTC = Open and Free Technology Community
  26. OLAP = Online Analytical Processing

 

IT abbreviation list – P

  1. PC = Personal Computer
  2. PV = Physical Volume
  3. PL/I = Programming Language One
  4. PL/M = Programming Language for Microcomputers
  5. PL/P = Programming Language for Prime
  6. PD = Public Domain
  7. PE = Physical Extents
  8. PDA = Personal Digital Assistant
  9. PDF = Portable Document Format
  10. PDH = Plesiochronous Digital Hierarchy
  11. PDP = Programmed Data Processor
  12. PVG = Physical Volume Group
  13. PVR = Personal Video Recorder
  14. PXE = Preboot Execution Environment
  15. PERL = Practical Extraction and Reporting Language
  16. PGA = Pin Grid Array
  17. PGA = Programmable Gate Array
  18. PGO = Profile-Guided Optimization
  19. PGP = Pretty Good Privacy
  20. PHP = PHP: Hypertext Preprocessor
  21. PIC = Peripheral Interface Controller
  22. PIC = Programmable Interrupt Controller
  23. PIM = Personal Information Manager
  24. PINE = Program for Internet News and Email
  25. PIM = Platform Independent Model
  26. PIO = Programmed Input/Output
  27. PLC = Power Line Communication
  28. PLC = Programmable Logic Controller
  29. PLD = Programmable Logic Device
  30. PLT = Power Line Telecoms
  31. PMM = POST Memory Manager
  32. PNG = Portable Network Graphics
  33. PCB = Printed Circuit Board
  34. PCB = Process Control Block
  35. PaaS = Platform as a Service
  36. PAN = Personal Area Network
  37. PAP = Password Authentication Protocol
  38. PARC = Palo AltoResearchCenter
  39. PBS = Portable Batch System
  40. PC DOS = Personal Computer Disk Operating System
  41. PCL = Printer Command Language
  42. PCMCIA = Personal Computer Memory Card International Association
  43. PCM = Pulse-Code Modulation
  44. POSIX = Portable Operating System Interface, formerly IEEE-IX
  45. PPP = Point-to-Point Protocol
  46. PPTP = Point-to-Point Tunneling Protocol
  47. PSA = Professional Services Automation
  48. PSM = Platform Specific Model
  49. PSU = Power Supply Unit
  50. PSVI = Post-Schema-Validation Infoset
  51. PTS-DOS = PhysTechSoft – Disk Operating System

 

IT abbreviation list – R

  1. RC = Run Commands
  2. RF = Radio Frequency
  3. RFC = Request For Comments
  4. RFI = Radio Frequency Interference
  5. RPC = Remote Procedure Call
  6. RPG = Report Program Generator
  7. RGB = Red, Green, Blue
  8. RGBA = Red, Green, Blue, Alpha
  9. RHL = Red Hat Linux
  10. RHEL = Red Hat Enterprise Linux
  11. RIP = Routing Information Protocol
  12. RIR = Regional Internet registry
  13. RSS = Radio Service Software
  14. RSS = Rich Site Summary, RDF Site Summary, or Really Simple Syndication
  15. RCS = Revision Control System
  16. RDP = Remote display protocol
  17. RADSL = Rate Adaptive Asymmetric Digital Subscriber Line
  18. RACF = Resource Access Control Facility
  19. RAD = Rapid Application Development
  20. RAID = Redundant Array of Independent Disks
  21. RAID = Redundant Array of Inexpensive Disks
  22. RAM = Random Access Memory
  23. RARP = Reverse Address Resolution Protocol
  24. RAS = Reliability, Availability and Serviceability
  25. RAS = Remote Access Service
  26. RDBMS = Relational Database Management System
  27. RDC = Remote Desktop Connection
  28. RDF = Resource Description Framework
  29. RDM = Relational Data Model
  30. RDOS = Real-time Disk Operating System
  31. RDS = Remote Data Services
  32. REFAL = Recursive Functions Algorithmic Language
  33. REST = Representational State Transfer
  34. RFID = Radio Frequency Identification
  35. RISC = Reduced Instruction Set Computer
  36. RISC OS = Reduced Instruction Set Computer Operating System
  37. ROM = Read Only Memory
  38. ROMB = Read-Out Motherboard
  39. ROM-DOS = Read Only Memory – Disk Operating System
  40. RTEMS = Real-Time Executive for Multiprocessor Systems
  41. RTOS = Real-Time Operating System
  42. RTTI = Run-time Type Information

 

IT abbreviation list – S

  1. Sysop = System operator
  2. SD = Secure Digital
  3. SP = Service Pack
  4. SVC = Scalable Video Coding
  5. SVG = Scalable Vector Graphics
  6. SWF = Shock Wave Flash
  7. SSA = Static Single Assignment
  8. SMB = Server Message Block
  9. SDIO = Secure Digital Input Output
  10. SPA = Single Page Application
  11. SPF = Sender Policy Framework
  12. SPI = Serial Peripheral Interface
  13. SAP = Service Advertising Protocol
  14. SOE = Standard Operating Environment
  15. SDH = Synchronous Digital Hierarchy
  16. SDI = Single Document Interface
  17. SDK = Software Development Kit
  18. SDL = Simple DirectMedia Layer
  19. SDN = Service Delivery Network
  20. SDP = Session Description Protocol
  21. SDR = Software-Defined Radio
  22. SEI = Software Engineering Institute
  23. SEO = Search Engine Optimization
  24. SIP—Session Initiation Protocol
  25. SSD = Software Specification Document
  26. SSD = Solid-State Drive
  27. SSI = Server Side Includes
  28. SSI = Single-System Image
  29. SMP = Symmetric Multi-Processing
  30. SMS = Short Message Service
  31. SMS = System Management Server
  32. SMTP = Simple Mail Transfer Protocol
  33. SNA = Systems Network Architecture
  34. SPM = Software project management
  35. SISD = Single Instruction, Single Data
  36. SISO = Single-Input and Single-Output
  37. SLED = SUSE Linux Enterprise Desktop
  38. SLES = SUSE Linux Enterprise Server
  39. SLI = Scalable Link Interface
  40. SLIP = Serial Line Internet Protocol
  41. SLM = Service Level Management
  42. SLOC = Source Lines of Code
  43. SQL = Structured Query Language
  44. SRAM = Static Random Access Memory
  45. SAX = Simple API for XML
  46. SBP-2 = Serial Bus Protocol 2
  47. SCID = Source Code in Database
  48. SCM = Software Configuration Management
  49. SCM = Source Code Management
  50. SCPI = Standard Commands for Programmable Instrumentation
  51. SCSI = Small Computer System Interface
  52. SCTP = Stream Control Transmission Protocol
  53. SDDL = Security Descriptor Definition Language
  54. SDRAM = Synchronous Dynamic Random Access Memory
  55. SDSL = Symmetric DSL
  56. SFTP = Secure FTP
  57. SFTP = Simple File Transfer Protocol
  58. SFTP = SSH File Transfer Protocol
  59. SGI = Silicon Graphics, Incorporated
  60. SGML = Standard Generalized Markup Language
  61. SGR = Select Graphic Rendition
  62. SHA = Secure Hash Algorithm
  63. SHDSL = Single-pair High-speed Digital Subscriber Line
  64. SIGCAT = Special Interest Group on CD-ROM Applications and Technology
  65. SIMD = Single Instruction, Multiple Data
  66. SIMM = Single Inline Memory Module
  67. SMBIOS = System Management BIOS
  68. SMIL = Synchronized Multimedia Integration Language
  69. SNMP = Simple Network Management Protocol
  70. SNTP = Simple Network Time Protocol
  71. SOAP = Simple Object Access Protocol
  72. SOAP = Symbolic Optimal Assembly Program
  73. SOPA = Stop Online Piracy Act
  74. SO-DIMM = Small Outline DIMM
  75. SPARC = Scalable Processor Architecture
  76. SSID = Service Set Identifier
  77. SSL = Secure Socket Layer
  78. SUSE = Software and System-Entwicklung
  79. SVGA = Super Video Graphics Array
  80. SONET = Synchronous Optical Network

 

IT abbreviation list – T

  1. Tcl = Tool Command Language
  2. TB = TeraByte
  3. TV = Television
  4. TTF = TrueType Font
  5. TTL = Transistor-Transistor Logic
  6. TLD = Top-Level Domain
  7. TLS = Thread-Local Storage
  8. TLS = Transport Layer Security
  9. TLV = Type-length-value
  10. TNC = Terminal Node Controller
  11. TCP = Transmission Control Protocol
  12. TCP/IP = Transmission Control Protocol/Internet Protocol
  13. TCU = Telecommunication Control Unit
  14. TRON = The Real-time Operating system Nucleus
  15. TRS-DOS = Tandy Radio Shack – Disk Operating System
  16. TUCOWS = The Ultimate Collection of Winsock Software
  17. TDMA = Time Division Multiple Access
  18. TACS = Total Access Communication System

 

IT abbreviation list – U

  1. UI = User Interface
  2. ULA = Uncommitted Logic Array
  3. UMA = Upper Memory Area
  4. UMB = Upper Memory Block
  5. UML = Unified Modeling Language
  6. UPS = Uninterruptible Power Supply
  7. URI = Uniform Resource Identifier
  8. URL = Uniform Resource Locator
  9. URN = Uniform Resource Name
  10. USB = Universal Serial Bus
  11. UTF = Unicode Transformation Format
  12. UAC = User Account Control
  13. UART = Universal Asynchronous Receiver/Transmitter
  14. UAT = User Acceptance Testing
  15. UCS = Universal Character Set
  16. UDDI = Universal Description, Discovery, and Integration
  17. UDP = User Datagram Protocol
  18. UHF = Ultra High Frequency
  19. UMPC = Ultra-Mobile Personal Computer
  20. UUID = Universally Unique Identifier
  21. UUN = Universal User Name
  22. UVC = Universal Virtual Computer

 

IT abbreviation list – V

  1. VB = Visual Basic
  2. VM = Virtual Machine
  3. VM = Virtual Memory
  4. VLF = Very Low Frequency
  5. VFS = Virtual File System
  6. VGA = Video Graphics Adapter / Video Graphics Array
  7. VNC = Virtual Network Computing
  8. VoIP = Voice over Internet Protocol
  9. VPN = Virtual Private Network
  10. VPU = Visual Processing Unit
  11. VBA = Visual Basic for Applications
  12. VBS = Visual Basic Script
  13. VTP = Virtual Terminal Protocol
  14. VCPI = Virtual Control Program Interface
  15. VRML = Virtual Reality Modeling Language
  16. VDSL = Very High Bitrate Digital Subscriber Line
  17. VESA = Video Electronics Standards Association
  18. VLAN = Virtual Local Area Network
  19. VLSI = Very-Large-Scale Integration
  20. VDSL = Very high bit-rate DSL
  21. VSAM = Virtual Storage Access Method
  22. VTAM = Virtual Telecommunications Access Method

 

IT abbreviation list – W

  1. WAI = Web Accessibility Initiative
  2. WAIS = Wide Area Information Server
  3. WAN = Wide Area Network
  4. WAP = Wireless Access Point
  5. WAP = Wireless Application Protocol
  6. W3C = World Wide Web Consortium
  7. WSP = Wireless Session Protocol
  8. WTP = Wireless Transaction Protocol
  9. WDP = Wireless Datagram Protocol
  10. WML = Wireless Markup Language
  11. WTA = Wireless Telephony Application
  12. WAFS = Wide Area File Services
  13. WBEM = Web-Based Enterprise Management
  14. WiMAX = Worldwide Interoperability for Microwave Access
  15. WINS = Windows Internet Name Service
  16. WLAN = Wireless Local Area Network
  17. WMA = Windows Media Audio
  18. WMV = Windows Media Video
  19. WPA = Wi-Fi Protected Access
  20. WPAN = Wireless Personal Area Network
  21. WSDL = Web Services Description Language
  22. WSFL = Web Services Flow Language
  23. WUSB = Wireless Universal Serial Bus
  24. WWAN = Wireless Wide Area Network
  25. WWID = World Wide Identifier
  26. WWN = World Wide Name
  27. WWW = World Wide Web
  28. WZC = Wireless Zero Configuration
  29. WLANs = Wireless LANs

 

IT abbreviation list – X

  1. XP = Cross-Platform
  2. XP = Extreme Programming
  3. XPI = XPInstall
  4. XSL = eXtensible Stylesheet Language
  5. XUL = XML User Interface Language
  6. XSS = Cross-Site Scripting
  7. XMPP = eXtensible Messaging and Presence Protocol
  8. XSLT = eXtensible Stylesheet Language Transformations
  9. XAML = eXtensible Application Markup Language
  10. XHTML = eXtensible Hypertext Markup Language
  11. XILP = X Interactive ListProc
  12. XML = eXtensible Markup Language
  13. XMMS = X Multimedia System
  14. XMS = Extended Memory Specification
  15. XNS = Xerox Network Systems
  16. XVGA = Extended Video Graphics Adapter
  17. XSL-FO = eXtensible Stylesheet Language Formatting Objects
  18. XTF = eXtensible Tag Framework
  19. XDM = X Window Display Manager
  20. XDMCP = X Display Manager Control Protocol
  21. XPCOM = Cross Platform Component Object Model

 

IT abbreviation list – Y

  1. ZPL = Z-level Programming Language
  2. ZCS = Zero Code Suppression
  3. ZISC = Zero Instruction Set Computer
  4. ZIF = Zero Insertion Force
  5. ZIFS = Zero Insertion Force Socket
  6. YAML = YAML Ain’t Markup Language
  7. YAAF = Yet Another Application Framework

 

More important abbreviation on IT

  1. 1GL = First-Generation Programming Language
  2. 2GL = Second-Generation Programming Language
  3. 2NF = Second Normal Form
  4. 4GL = Fourth-Generation Programming Language
  5. 4NF = Fourth Normal Form
  6. 5GL = Fifth-Generation Programming Language
  7. 5NF = Fifth Normal Form
  8. 6NF = Sixth Normal Form
  9. 3GL = Third-Generation Programming Language
  10. 3GPP = mobile broadband “3G” Partnership Project
  11. 3NF = Third Normal Form
  12. 4B5BLF = 4 Byte 5 Byte Local Fiber
  13. 8B10BLF = 8 Byte 10 Byte Local Fiber

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What is abbreviation

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