“ I.T. ” Stands for " Information Technology ", It refers to anything related to computer technology , such as networking , har...
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Information Technology (IT) and Computing Abbreviation List
IT abbreviation list - A
- AA = Anti-Aliasing
- AD = Active Directory
- AD = Administrative Domain
- AE = Adaptive Equalizer
- AL = Active Link
- AL = Access List
- AT = Access Time / Advanced Technology
- AT = Active Terminator
- AM = Access Method
- AM = Active Matrix
- AM = Active Monitor
- AM = Allied Mastercomputer
- AM = Amplitude Modulation
- AS = Access Server
- ASG = Abstract Semantic Graph
- ASM = Algorithmic State Machine
- APL = A Programming Language
- APR = Apache Portable Runtime
- ARC = Adaptive Replacement Cache
- ARC = Advanced RISC Computing
- AMR = Audio Modem Riser
- ANN = Artificial Neural Network
- ANSI = American National Standards Institute
- ANT = Another Neat Tool
- AoE = ATA over Ethernet
- AOP = Aspect-Oriented Programming
- AMD = Advanced Micro Devices
- ASP = Application Service Provider
- ATA = Advanced Technology Attachment
- AVC = Advanced Video Coding
- AVI = Audio Video Interleaved
- AWK = Aho Weinberger Kernighan
- AWT = Abstract Window Toolkit
- ATM = Asynchronous Transfer Mode
- AAT = Average Access Time
- AAC = Advanced Audio Coding
- AAL = ATM Adaptation Layer
- ABI = Application Binary Interface
- ABM = Asynchronous Balanced Mode
- ABR = Area Border Router
- ABR = Auto Baud-Rate detection
- ABR = Average Bitrate
- ACD = Automatic Call Distributor
- ACE = Advanced Computing Environment
- ACL = Access Control List
- AMIE = Associate Member of the Institute of Engineers
- AABB = Axis Aligned Bounding Box
- AALC = ATM Adaptation Layer Connection
- AARP = AppleTalk Address Resolution Protocol
- ABCL = Actor-Based Concurrent Language
- ACID = Atomicity Consistency Isolation Durability
- ACM = Association for Computing Machinery
- ACME = Automated Classification of Medical Entities
- ACP = Airline Control Program
- ACPI = Advanced Configuration and Power Interface
- ADC = Analog-to-Digital Converter
- ADCCP = Advanced Data Communications Control Procedures
- ADO = ActiveX Data Objects
- ADSL = Asymmetric Digital Subscriber Line
- ADT = Abstract Data Type
- AES = Advanced Encryption Standard
- AGP = Accelerated GraphicsPort
- AI = Artificial Intelligence
- Ajax = Asynchronous JavaScript and XML
- ALGOL = Algorithmic Language
- ALSA = Advanced Linux Sound Architecture
- ALU = Arithmetic and Logical Unit
- AMOLED = Active-Matrix Organic Light-Emitting Diode
- AMQP = Advanced Message Queuing Protocol
- APCI = Application-Layer Protocol Control Information
- API = Application Programming Interface
- APIC = Advanced Programmable Interrupt Controller
- APIPA = Automatic Private IP Addressing
- ARIN = American Registry for Internet Numbers
- ARM = Advanced RISC Machines
- AROS = AROS Research Operating System
- ARP = Address Resolution Protocol
- ARPA = Address and Routing Parameter Area
- ARPA = Advanced Research Projects Agency
- ARPANET = Advanced Research Projects Agency Network
- ASCII = American Standard Code for Information Interchange
- ASIC = Application-Specific Integrated Circuit
- ASIMO = Advanced Step in Innovative Mobility
- ASMP = Asymmetric Multiprocessing
- ATAG = Authoring Tool Accessibility Guidelines
- ATAPI = Advanced Technology Attachment Packet Interface
IT abbreviation list - B
- bit = binary digit
- bps = bits per second
- Blob = Binary large object
- Blog = Web Log
- BW = Bandwidth
- BT = BitTorrent
- BT = Bluetooth
- BSS = Block Started by Symbol
- BRR = Business Readiness Rating
- BSA = Business Software Alliance
- BPL = Broadband over Power Lines
- BPM = Business Process Modeling
- BSB = Backside Bus
- BSD = Berkeley Software Distribution
- BCD = Binary Coded Decimal
- BEEP = Blocks Extensible Exchange Protocol
- BER = Bit Error Rate
- BFD = Bidirectional Forwarding Detection
- BFD = Binary File Descriptor
- BGP = Border Gateway Protocol
- BINAC = Binary Automatic Computer
- BIND = Berkeley Internet Name Domain
- BIOS = Basic Input Output System
- BJT = Bipolar Junction Transistor
- BMP = Basic Multilingual Plane
- BOINC = Berkeley Open Infrastructure for Network Computing
- BOM = Byte Order Mark
- BOOTP = Bootstrap Protocol
- BPDU = Bridge Protocol Data Unit
- BPEL = Business Process Execution Language
- BSoD = Blue Screen of Death
- BTAM = Basic Telecommunications Access Method
IT abbreviation list - C
- cc = C Compiler
- CD = Compact Disc
- CM = Configuration Management
- CM = Content Management
- CS = Cable Select
- CS = Computer Science
- CP/M = Control Program/Monitor
- CF = Compact Flash
- CG = Computer Graphics
- CGA = Color Graphics Array
- CES = Consumer Electronics Show
- CFD = Computational Fluid Dynamics
- CGI = Common Gateway Interface
- CGI = Computer-Generated Imagery
- CGT = Computational Graph Theory
- CPRI = Common Public Radio Interface
- CPU = Central Processing Unit
- CRAN = Comprehensive R Archive Network
- CRC = Cyclic Redundancy Check
- CRLF = Carriage Return Line Feeds
- CRS = Computer Reservations System
- CRT = Cathode Ray Tube
- CTAN = Comprehensive TeX Archive Network
- CTI = Computer Telephony Integration
- CTL = Computational Tree Logic
- CTSS = Compatible Time-Sharing System
- CUA = Common User Access
- CVS = Concurrent Versioning System
- CSE = Computer Science and Engineering
- CSI = Common System Interface
- CSP = Communicating Sequential Processes
- CSS = Cascading Style Sheets
- CSS = Content-Scrambling System
- CSS = Closed Source Software
- CSS = Cross-Site Scripting
- CIFS = Common Internet Filesystem
- CIM = Common Information Model
- CIM = Computationally Independent Model
- CLI = Command Line Interface
- CLR = Common Language Runtime
- CAI = Computer-Aided Instruction
- CDE = Common Desktop Environment
- CAT = Computer-Aided Translation
- CAQ = Computer-Aided Quality Assurance
- CDMA = Code Division Multiple Access
- CDN = Content Delivery Network
- CDP = Continuous Data Protection
- CD-R = CD-Recordable
- CD-ROM = CD Read-Only Memory
- CD-RW = CD-Rewritable
- CAD = Computer-Aided Design
- CAE = Computer-Aided Engineering
- CAID = Computer-Aided Industrial Design
- CAM = Computer-Aided Manufacturing
- CAPTCHA = Completely Automated Public Turing Test to tell Computers and Humans Apart
- CASE = Computer-Aided Software Engineering
- CDSA = Common Data Security Architecture
- CERT = Computer Emergency Response Team
- CHAP = Challenge-Handshake Authentication Protocol
- CHS = Cylinder-Head-Sector
- CIDR = Classless Inter-Domain Routing
- CISC = Complex Instruction Set Computer
- CMMI = Capability Maturity Model Integration
- CMOS = Complementary Metal-Oxide Semiconductor
- CMS = Content Management System
- CNC = Computer Numerical Control
- CNR = Communications and Networking Riser
- COBOL = Common Business-Oriented Language
- COM = Component Object Model
- CPA = Cell Processor Architecture
- CPAN = Comprehensive Perl Archive Network
IT abbreviation list - D
- DB = Database
- DP = Dot Pitch
- DD = Double Density
- DDE = Dynamic Data Exchange
- DDL = Data Definition Language
- DDoS = Distributed Denial of Service
- DDR = Double Data Rate
- DEC = Digital Equipment Corporation
- DES = Data Encryption Standard
- DFA = Deterministic Finite Automaton
- DFD = Data Flow Diagram
- DFS = Depth-First Search
- DFS = Distributed File System
- DGD = Dworkin's Game Driver
- DPC = Deferred Procedure Call
- DPI = Deep Packet Inspection
- DPI = Dots Per Inch
- DSL = Digital Subscriber Line
- DSL = Domain-Specific Language
- DAC = Digital-To-Analog Converter
- DAC = Discretionary Access Control
- DAL = Database Abstraction Layer
- DAO = Data Access Objects
- DAP = Directory Access Protocol
- DARPA = Defense Advanced Research Projects Agency
- DAT = Digital Audio Tape
- DBA = Database Administrator
- DBCS = Double Byte Character Set
- DBMS = Database Management System
- DCC = Direct Client-to-Client
- DCCP = Datagram Congestion Control Protocol
- DCCA = Debian Common Core Alliance
- DCL = Data Control Language
- DCMI = Dublin Core Metadata Initiative
- DCOM = Distributed Component Object Model
- DHCP = Dynamic Host Configuration Protocol
- DHTML = Dynamic Hypertext Markup Language
- DIF = Data Integrity Field
- DIMM = Dual Inline Memory Module
- DIP = Dual In-line Package
- DIVX = Digital Video Express
- DKIM = Domain Keys Identified Mail
- Down = Download
- DLL = Dynamic Link Library
- DLNA = Digital Living Network Alliance
- DLP = Digital Light Processing
- DMA = Direct Memory Access
- DMCA = Digital Millennium Copyright Act
- DMI = Direct Media Interface
- DML = Data Manipulation Language
- DND = Drag-and-Drop
- DNS = Domain Name System
- DOCSIS = Data Over Cable Service Interface Specification
- DOM = Document Object Model
- DoS = Denial of Service
- DOS = Disk Operating System
- DPMI = DOS Protected Mode Interface
- DPMS = Display Power Management Signaling
- DRAM = Dynamic Random Access Memory
- DR-DOS = Digital Research - Disk Operating System
- DRI = Direct Rendering Infrastructure
- DRM = Digital Rights Management
- DRM = Direct Rendering Manager
- DSDL = Document Schema Definition Languages
- DSDM = Dynamic Systems Development Method
- DSLAM = Digital Subscriber Line Access Multiplexer
- DSN = Database Source Name
- DSN = Data Set Name
- DSP = Digital Signal Processor
- DTE = Data Terminal Equipment
- DTP = Desktop Publishing
- DTR = Data Terminal Ready
- DVD = Digital Video Disc/ Digital Versatile Disc
- DVD-R = DVD-Recordable
- DVD-ROM = DVD-Read Only Memory
- DVD-RW = DVD-Rewritable
- DVI = Digital Visual Interface
- DVR = Digital Video Recorder
IT abbreviation list - E
- EDA = Electronic Design Automation
- EDI = Electronic Data Interchange
- EDO = Extended Data Out
- ELF = Extremely Low Frequency
- ELF = Executable and Linkable Format
- ELM = ELectronic Mail
- EOF = End of File
- EOL = End of Life
- EOL = End of Line
- ERD = Entity-Relationship Diagram
- ERM = Entity-Relationship Model
- ERP = Enterprise Resource Planning
- ESB = Enterprise service bus
- ESD = Electrostatic Discharge
- ETL = Extract, Transform, Load
- ESR = Eric Steven Raymond
- EUC = Extended Unix Code
- EOM = End Of Message
- EAI = Enterprise Application Integration
- EAP = Extensible Authentication Protocol
- 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
- 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
- EGA = Enhanced Graphics Array
- EGP = Exterior Gateway Protocol
- eID = electronic ID card
- EIDE = Enhanced IDE
- EIGRP = Enhanced Interior Gateway Routing Protocol
- EISA = Extended Industry Standard Architecture
- EMACS = Editor MACroS
- EMS = Expanded Memory Specification
- ENIAC = Electronic Numerical Integrator And Computer
- EPIC = Explicitly Parallel Instruction Computing
- EPROM = Erasable Programmable Read-Only Memory
- ESCON = Enterprise Systems Connection
- EULA = End User License Agreement
- EWMH = Extended Window Manager Hints
- EXT = EXTended file system
IT abbreviation list - F
- fsck = File System Check
- FL = Function Level
- FP = Function Programming
- FS = File System
- FPS = Floating Point Systems
- FPU = Floating Point Unit
- FRU = Field Replaceable Unit
- FSB = Front Side Bus
- FSF = Free Software Foundation
- FSM = FiniteState Machine
- FTTP = Fiber To The Premises
- FTP = File Transfer Protocol
- FAP = FORTRAN Assembly Program
- FAT = File Allocation Table
- FAQ = Frequently Asked Questions
- FCB = File Control Block
- FCS = Frame Check Sequence
- FDC = Floppy Disk Controller
- FDS = Fedora Directory Server
- FDD = Floppy Disk Drive
- FBDIMM = Fully Buffered Dual Inline Memory Module
- FC-AL = Fibre Channel Arbitrated Loop
- FDDI = Fiber Distributed Data Interface
- FDMA = Frequency-Division Multiple Access
- 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
- 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"
- FOLDOC = Free On-line Dictionary of Computing
- FOSDEM = Free and Open source Software Developers' European Meeting
- FOSI = Formatted Output Specification Instance
- FPGA = Field Programmable Gate Array
- FQDN = Fully Qualified Domain Name
- FUD = Fear Uncertainty Doubt
- FWS = Folding White Space
- FXP = File eXchange Protocol
IT abbreviation list - G
- Gb = Gigabit
- GB = Gigabyte
- GPG = GNU Privacy Guard
- GPL = General Public License
- GPL = General-Purpose Language
- GCJ = GNU Compiler for Java
- GCR = Group Code Recording
- GDI = Graphics Device Interface
- GIF = Graphics Interchange Format
- GIGO = Garbage In, Garbage Out
- G11N = Globalization
- GIMP = GNU Image Manipulation Program
- GIS = Geographic Information System
- 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
- GPGPU = General-Purpose Computing on Graphics Processing Units
- GPIB = General-Purpose Instrumentation Bus
- GPT = GUID Partition Table
- GPU = Graphics Processing Unit
- GRUB = Grand Unified Boot-Loader
- GSM = Global System for Mobile Communications
- GUI = Graphical User Interface
- GUID = Globally Unique IDentifier
- GWT = Google Web Toolkit
- GPRS = General Packet Radio Service
IT abbreviation list - H
- HP = Hewlett-Packard
- HF = High Frequency
- Hz = Hertz
- HT = Hyper Threading
- HTM = Hierarchical Temporal Memory
- HHD = Hybrid Hard Drive
- HID = Human Interface Device
- HMA = High Memory Area
- HPC = High-Performance Computing
- HAL = Hardware Abstraction Layer
- HBA = Host Bus Adapter
- HCI = Human Computer Interaction
- HDL = Hardware Description Language
- HDMI = High-Definition Multimedia Interface
- HPFS = High Performance File System
- HTC = High-Throughput Computing
- HSM = Hierarchical Storage Management
- HTML = Hypertext Markup Language
- HTTP = Hypertext Transfer Protocol
- HTTPd = Hypertext Transport Protocol Daemon
- HTX = HyperTransport eXpansion
- HVD = Holographic Versatile Disc
- HD DVD = High Definition DVD
IT abbreviation list - I
- IC = Integrated Circuit
- IE = Internet Explorer
- IL = Intermediate Language
- IM = Instant Messaging
- I/O = Input/Output
- IP = Intellectual Property
- IP = Internet Protocol
- IR = Intermediate Representation
- IS = Information Systems
- IT = Information Technology
- ITIL = Information Technology Infrastructure Library
- ITL = Interval Temporal Logic
- ITU = International Telecommunication Union
- ISA = Industry Standard Architecture
- ISA = Instruction Set Architecture
- ISC = Internet Storm Center
- IRI = Internationalized Resource Identifier
- IRP = I/O Request Packet
- IRQ = Interrupt Request
- IRC = Internet Relay Chat
- IPC = Inter-Process Communication
- IPL = Initial Program Load
- 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
- IPX = Internetwork Packet Exchange
- IMAP = Internet Message Access Protocol
- IME = Input Method Editor
- IEC = International Electrotechnical Commission
- IBM = International Business Machines
- ICE = In-Circuit Emulator
- ICE = Intrusion Countermeasure Electronics
- ICMP = Internet Control Message Protocol
- ICP = Internet Cache Protocol
- ICT = Information and Communication Technology
- IDE = Integrated Development Environment
- IDE = Integrated Drive Electronics
- IDF = Intermediate Distribution Frame
- IDL = Interface Definition Language
- IDS = Intrusion Detection System
- IEEE = Institute of Electrical and Electronics Engineers
- IETF = Internet Engineering Task Force
- IGMP = Internet Group Management Protocol
- IGRP = Interior Gateway Routing Protocol
- IHV = Independent Hardware Vendor
- IIOP = Internet Inter-Orb Protocol
- IIS = Internet Information Services
- INFOSEC = Information Systems Security
- IrDA = Infrared Data Association
- ISAM = Indexed Sequential Access Method
- iSCSI=Internet Small Computer System Interface
- ISDN = Integrated Services Digital Network
- iSNS = Internet Storage Name Service
- ISP = Internet Service Provider
- ISPF = Interactive System Productivity Facility
- ISR = Interrupt Service Routine
- ISV = Independent Software Vendor
- IVRS = Interactive Voice Response System
- iBCS = Intel Binary Compatibility Standard
- ICANN = Internet Corporation for Assigned Names and Numbers
IT abbreviation list - J
- JS = JavaScript
- JCE= Java Cryptography Extension
- JCL=Job Control Language
- JCP = Java Community Process
- JDK = Java Development Kit
- JDS = Java Desktop System
- JFC = Java Foundation Classes
- JMX = Java Management Extensions
- JMS = Java Message Service
- JSON = JavaScript Object Notation
- JSP = Jackson Structured Programming
- JSP = JavaServer Pages
- JUG = Java Users Group
- JVM = Java Virtual Machine
- J2EE=Java 2 Enterprise Edition
- J2ME=Java 2 Micro Edition
- J2SE=Java 2 Standard Edition
- JAXB=Java Architecture for XML Binding
- JAX-RPC=Java XML for Remote Procedure Calls
- JAXP=Java API for XML Processing
- JBOD=Just a Bunch of Disks
- JDBC = Java Database Connectivity
- JNDI = Java Naming and Directory Interface
- JNI = Java Native Interface
- JNZ = Jump non-zero
- JPEG = Joint Photographic Experts Group
- JRE = Java Runtime Environment
IT abbreviation list - K
- Kb = Kilobit
- KB = Kilobyte
- kHz = Kilohertz
IT abbreviation list - L
- LV = Logical Volume
- LF = Low Frequency
- LE = Logical Extents
- LAN = Local Area Network
- LBA = Logical Block Addressing
- LCD = Liquid Crystal Display
- LCR = Least Cost Routing
- LED = Light-Emitting Diode
- LFS = Linux From Scratch
- LGPL = Lesser General Public License
- LIF = Low Insertion Force
- LVD = Low Voltage Differential
- LVM = Logical Volume Management
- L2TP = Layer two Tunneling Protocol
- LAMP = Linux Apache MySQL Perl
- LAMP = Linux Apache MySQL PHP
- LAMP = Linux Apache MySQL Python
- LCOS = Liquid Crystal On Silicon
- LDAP = Lightweight Directory Access Protocol
- LIFO=Last In First Out
- LILO = Linux Loader
- LISP = LISt Processing
- LKML = Linux Kernel Mailing List
- LOC = Lines of Code
- LUN = Logical Unit Number
IT abbreviation list - M
- MHz = Megahertz
- Mb = Megabit
- MB = Megabyte
- MX = Mail exchange
- MS = Memory Stick
- MS = Microsoft
- ME = [Windows] Millennium Edition
- MF = Medium Frequency
- MCM = Microsoft Certified Master
- MCP = Microsoft Certified Professional
- MCT = Microsoft Certified Trainer
- MFC = Microsoft Foundation Classes
- MFM = Modified Frequency Modulation
- MGCP = Media Gateway Control Protocol
- MIB = Management Information Base
- MDA = Mail Delivery Agent
- MDA = Model-Driven Architecture
- MDA = Monochrome Display Adapter
- MDD/MDSD = Model-Driven (Software) Development
- MDF = Main Distribution Frame
- MDI = Multiple Document Interface
- MSB = Most Significant Bit
- MS-DOS = Microsoft DOS
- MTA = Mail Transfer Agent
- MTA = Microsoft Technology Associate
- MTU = /Maximum Transmission Unit
- MSA = Mail Submission Agent
- MSDN = Microsoft Developer Network
- MSI = Message Signaled Interrupt
- MSI = Microsoft Installer
- MAC = Mandatory Access Control
- MAC = Media Access Control
- MAN = Metropolitan Area Network
- MBD = Model-Based Design
- MBR = Master Boot Record
- MANET = Mobile Ad-Hoc Network
- MAPIV = Messaging Application Programming Interface
- MBCS = Multi Byte Character Set
- MCAD = Microsoft Certified Application Developer
- MCAS = Microsoft Certified Application Specialist
- MCDBA = Microsoft Certified DataBase Administrator
- MCDST = Microsoft Certified Desktop Support Technician
- MCITP = Microsoft Certified Information Technology Professional
- MCPD = Microsoft Certified Professional Developer
- MCSA = Microsoft Certified Systems Administrator
- MCSD = Microsoft Certified Solution Developer
- MCSE = Microsoft Certified Systems Engineer
- MCTS = Microsoft Certified Technology Specialist
- MICR = Magnetic Ink Character Recognition
- MIDI = Musical Instrument Digital Interface
- MIMD = Multiple Instruction, Multiple Data
- MIMO = Multiple-Input Multiple-Output
- MIPS = Million Instructions Per Second
- MIPS = Microprocessor without Interlocked Pipeline Stages
- MIS = Management Information Systems
- MISD = Multiple Instruction, Single Data
- MIT = Massachusetts Institute of Technology
- MIME = Multipurpose Internet Mail Extensions
- MMDS = Mortality Medical Data System
- MMI = Man Machine Interface.
- MMORPG = Massively Multiplayer Online Role-Playing Game
- MMU = Memory Management Unit
- MMX = Multi-Media Extensions
- MNG = Multiple-image Network Graphics
- MOS = Microsoft Office Specialist
- MOSFET = Metal-Oxide Semiconductor Field Effect Transistor
- MOUS = Microsoft Office User Specialist
- MPLS = Multiprotocol Label Switching
- MPU = Microprocessor Unit
- MVC = Model-View-Controller
- MVP = Most Valuable Professional
- MVS = Multiple Virtual Storage
IT abbreviation list - M
- NT = New Technology
- NTP = Network Time Protocol
- NVR = Network Video Recorder
- NOC = NetworkOperationsCenter
- NOS = Network Operating System
- NSS = Novell Storage Service
- NSS = Network Security Services
- NSS = Name Service Switch
- NFA = Nondeterministic Finite Automaton
- NFC = Near field communication
- NFS = Network File System
- NIC = Network Interface Controller
- NIM = No Internal Message
- NIST = National Institute of Standards and Technology
- NLP = Natural Language Processing
- NLS = Native Language Support
- NPL = Netscape Public License
- NPU = Network Processing Unit
- NSA = National Security Agency
- NAS = Network-Attached Storage
- NASM = Netwide ASseMbler
- NAT = Network Address Translation
- NCP = NetWare Core Protocol
- NCQ = Native Command Queuing
- NCSA = NationalCenter for Supercomputing Applications
- NDPS = Novell Distributed Print Services
- NDS = Novell Directory Services
- NEP = Network Equipment Provider
- NetBIOS = Network Basic Input/Output System
- NGSCB = Next-Generation Secure Computing Base
- NNTP = Network News Transfer Protocol
- NTFS = NT Filesystem
- NVRAM = Non-Volatile Random Access Memory
IT abbreviation list - O
- OS = Operating System
- OID = Object Identifier
- OMF = Object Module Format
- OMG = Object Management Group
- OMR = Optical Mark Recognition
- ORB = Object Request Broker
- ORM = Oject-Relational Mapping
- OSI = Open Source Initiative
- OSI = Open Systems Interconnection
- OSS = Open Sound System
- OSS = Open-Source Software
- OSS = Operations Support System
- OUI = Organizationally Unique Identifier
- OLTP = Online Transaction Processing
- OPML = Outline Processor Markup Language
- OSCON = O'Reilly Open Source CONvention
- OSDN = Open Source Developer Network
- OSPF = Open Shortest Path First
- OSTG = Open Source Technology Group
- OASIS = Organization for the Advancement of Structured Information Standards
- OAT = Operational Acceptance Testing
- OBSAI = Open Base Station Architecture Initiative
- ODBC = Open DataBase Connectivity
- OEM = Original Equipment Manufacturer
- OFTC = Open and Free Technology Community
- OLAP = Online Analytical Processing
IT abbreviation list - P
- PC = Personal Computer
- PV = Physical Volume
- PL/I = Programming Language One
- PL/M = Programming Language for Microcomputers
- PL/P = Programming Language for Prime
- PD = Public Domain
- PE = Physical Extents
- PDA = Personal Digital Assistant
- PDF = Portable Document Format
- PDH = Plesiochronous Digital Hierarchy
- PDP = Programmed Data Processor
- PVG = Physical Volume Group
- PVR = Personal Video Recorder
- PXE = Preboot Execution Environment
- PERL = Practical Extraction and Reporting Language
- PGA = Pin Grid Array
- PGA = Programmable Gate Array
- PGO = Profile-Guided Optimization
- PGP = Pretty Good Privacy
- PHP = PHP: Hypertext Preprocessor
- PIC = Peripheral Interface Controller
- PIC = Programmable Interrupt Controller
- PIM = Personal Information Manager
- PINE = Program for Internet News and Email
- PIM = Platform Independent Model
- PIO = Programmed Input/Output
- PLC = Power Line Communication
- PLC = Programmable Logic Controller
- PLD = Programmable Logic Device
- PLT = Power Line Telecoms
- PMM = POST Memory Manager
- PNG = Portable Network Graphics
- PCB = Printed Circuit Board
- PCB = Process Control Block
- PaaS = Platform as a Service
- PAN = Personal Area Network
- PAP = Password Authentication Protocol
- PARC = Palo AltoResearchCenter
- PBS = Portable Batch System
- PC DOS = Personal Computer Disk Operating System
- PCL = Printer Command Language
- PCMCIA = Personal Computer Memory Card International Association
- PCM = Pulse-Code Modulation
- POSIX = Portable Operating System Interface, formerly IEEE-IX
- PPP = Point-to-Point Protocol
- PPTP = Point-to-Point Tunneling Protocol
- PSA = Professional Services Automation
- PSM = Platform Specific Model
- PSU = Power Supply Unit
- PSVI = Post-Schema-Validation Infoset
- PTS-DOS = PhysTechSoft - Disk Operating System
IT abbreviation list - R
- RC = Run Commands
- RF = Radio Frequency
- RFC = Request For Comments
- RFI = Radio Frequency Interference
- RPC = Remote Procedure Call
- RPG = Report Program Generator
- RGB = Red, Green, Blue
- RGBA = Red, Green, Blue, Alpha
- RHL = Red Hat Linux
- RHEL = Red Hat Enterprise Linux
- RIP = Routing Information Protocol
- RIR = Regional Internet registry
- RSS = Radio Service Software
- RSS = Rich Site Summary, RDF Site Summary, or Really Simple Syndication
- RCS = Revision Control System
- RDP = Remote display protocol
- RADSL = Rate Adaptive Asymmetric Digital Subscriber Line
- RACF = Resource Access Control Facility
- RAD = Rapid Application Development
- RAID = Redundant Array of Independent Disks
- RAID = Redundant Array of Inexpensive Disks
- RAM = Random Access Memory
- RARP = Reverse Address Resolution Protocol
- RAS = Reliability, Availability and Serviceability
- RAS = Remote Access Service
- RDBMS = Relational Database Management System
- RDC = Remote Desktop Connection
- RDF = Resource Description Framework
- RDM = Relational Data Model
- RDOS = Real-time Disk Operating System
- RDS = Remote Data Services
- REFAL = Recursive Functions Algorithmic Language
- REST = Representational State Transfer
- RFID = Radio Frequency Identification
- RISC = Reduced Instruction Set Computer
- RISC OS = Reduced Instruction Set Computer Operating System
- ROM = Read Only Memory
- ROMB = Read-Out Motherboard
- ROM-DOS = Read Only Memory - Disk Operating System
- RTEMS = Real-Time Executive for Multiprocessor Systems
- RTOS = Real-Time Operating System
- RTTI = Run-time Type Information
IT abbreviation list - S
- Sysop = System operator
- SD = Secure Digital
- SP = Service Pack
- SVC = Scalable Video Coding
- SVG = Scalable Vector Graphics
- SWF = Shock Wave Flash
- SSA = Static Single Assignment
- SMB = Server Message Block
- SDIO = Secure Digital Input Output
- SPA = Single Page Application
- SPF = Sender Policy Framework
- SPI = Serial Peripheral Interface
- SAP = Service Advertising Protocol
- SOE = Standard Operating Environment
- SDH = Synchronous Digital Hierarchy
- SDI = Single Document Interface
- SDK = Software Development Kit
- SDL = Simple DirectMedia Layer
- SDN = Service Delivery Network
- SDP = Session Description Protocol
- SDR = Software-Defined Radio
- SEI = Software Engineering Institute
- SEO = Search Engine Optimization
- SIP—Session Initiation Protocol
- SSD = Software Specification Document
- SSD = Solid-State Drive
- SSI = Server Side Includes
- SSI = Single-System Image
- SMP = Symmetric Multi-Processing
- SMS = Short Message Service
- SMS = System Management Server
- SMTP = Simple Mail Transfer Protocol
- SNA = Systems Network Architecture
- SPM = Software project management
- SISD = Single Instruction, Single Data
- SISO = Single-Input and Single-Output
- SLED = SUSE Linux Enterprise Desktop
- SLES = SUSE Linux Enterprise Server
- SLI = Scalable Link Interface
- SLIP = Serial Line Internet Protocol
- SLM = Service Level Management
- SLOC = Source Lines of Code
- SQL = Structured Query Language
- SRAM = Static Random Access Memory
- SAX = Simple API for XML
- SBP-2 = Serial Bus Protocol 2
- SCID = Source Code in Database
- SCM = Software Configuration Management
- SCM = Source Code Management
- SCPI = Standard Commands for Programmable Instrumentation
- SCSI = Small Computer System Interface
- SCTP = Stream Control Transmission Protocol
- SDDL = Security Descriptor Definition Language
- SDRAM = Synchronous Dynamic Random Access Memory
- SDSL = Symmetric DSL
- SFTP = Secure FTP
- SFTP = Simple File Transfer Protocol
- SFTP = SSH File Transfer Protocol
- SGI = Silicon Graphics, Incorporated
- SGML = Standard Generalized Markup Language
- SGR = Select Graphic Rendition
- SHA = Secure Hash Algorithm
- SHDSL = Single-pair High-speed Digital Subscriber Line
- SIGCAT = Special Interest Group on CD-ROM Applications and Technology
- SIMD = Single Instruction, Multiple Data
- SIMM = Single Inline Memory Module
- SMBIOS = System Management BIOS
- SMIL = Synchronized Multimedia Integration Language
- SNMP = Simple Network Management Protocol
- SNTP = Simple Network Time Protocol
- SOAP = Simple Object Access Protocol
- SOAP = Symbolic Optimal Assembly Program
- SOPA = Stop Online Piracy Act
- SO-DIMM = Small Outline DIMM
- SPARC = Scalable Processor Architecture
- SSID = Service Set Identifier
- SSL = Secure Socket Layer
- SUSE = Software and System-Entwicklung
- SVGA = Super Video Graphics Array
- SONET = Synchronous Optical Network
IT abbreviation list - T
- Tcl = Tool Command Language
- TB = TeraByte
- TV = Television
- TTF = TrueType Font
- TTL = Transistor-Transistor Logic
- TLD = Top-Level Domain
- TLS = Thread-Local Storage
- TLS = Transport Layer Security
- TLV = Type-length-value
- TNC = Terminal Node Controller
- TCP = Transmission Control Protocol
- TCP/IP = Transmission Control Protocol/Internet Protocol
- TCU = Telecommunication Control Unit
- TRON = The Real-time Operating system Nucleus
- TRS-DOS = Tandy Radio Shack - Disk Operating System
- TUCOWS = The Ultimate Collection of Winsock Software
- TDMA = Time Division Multiple Access
- TACS = Total Access Communication System
IT abbreviation list - U
- UI = User Interface
- ULA = Uncommitted Logic Array
- UMA = Upper Memory Area
- UMB = Upper Memory Block
- UML = Unified Modeling Language
- UPS = Uninterruptible Power Supply
- URI = Uniform Resource Identifier
- URL = Uniform Resource Locator
- URN = Uniform Resource Name
- USB = Universal Serial Bus
- UTF = Unicode Transformation Format
- UAC = User Account Control
- UART = Universal Asynchronous Receiver/Transmitter
- UAT = User Acceptance Testing
- UCS = Universal Character Set
- UDDI = Universal Description, Discovery, and Integration
- UDP = User Datagram Protocol
- UHF = Ultra High Frequency
- UMPC = Ultra-Mobile Personal Computer
- UUID = Universally Unique Identifier
- UUN = Universal User Name
- UVC = Universal Virtual Computer
IT abbreviation list - V
- VB = Visual Basic
- VM = Virtual Machine
- VM = Virtual Memory
- VLF = Very Low Frequency
- VFS = Virtual File System
- VGA = Video Graphics Adapter / Video Graphics Array
- VNC = Virtual Network Computing
- VoIP = Voice over Internet Protocol
- VPN = Virtual Private Network
- VPU = Visual Processing Unit
- VBA = Visual Basic for Applications
- VBS = Visual Basic Script
- VTP = Virtual Terminal Protocol
- VCPI = Virtual Control Program Interface
- VRML = Virtual Reality Modeling Language
- VDSL = Very High Bitrate Digital Subscriber Line
- VESA = Video Electronics Standards Association
- VLAN = Virtual Local Area Network
- VLSI = Very-Large-Scale Integration
- VDSL = Very high bit-rate DSL
- VSAM = Virtual Storage Access Method
- VTAM = Virtual Telecommunications Access Method
IT abbreviation list - W
- WAI = Web Accessibility Initiative
- WAIS = Wide Area Information Server
- WAN = Wide Area Network
- WAP = Wireless Access Point
- WAP = Wireless Application Protocol
- W3C = World Wide Web Consortium
- WSP = Wireless Session Protocol
- WTP = Wireless Transaction Protocol
- WDP = Wireless Datagram Protocol
- WML = Wireless Markup Language
- WTA = Wireless Telephony Application
- WAFS = Wide Area File Services
- WBEM = Web-Based Enterprise Management
- WiMAX = Worldwide Interoperability for Microwave Access
- WINS = Windows Internet Name Service
- WLAN = Wireless Local Area Network
- WMA = Windows Media Audio
- WMV = Windows Media Video
- WPA = Wi-Fi Protected Access
- WPAN = Wireless Personal Area Network
- 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
- WZC = Wireless Zero Configuration
- WLANs = Wireless LANs
IT abbreviation list - X
- XP = Cross-Platform
- XP = Extreme Programming
- XPI = XPInstall
- XSL = eXtensible Stylesheet Language
- XUL = XML User Interface Language
- XSS = Cross-Site Scripting
- XMPP = eXtensible Messaging and Presence Protocol
- XSLT = eXtensible Stylesheet Language Transformations
- XAML = eXtensible Application Markup Language
- XHTML = eXtensible Hypertext Markup Language
- XILP = X Interactive ListProc
- XML = eXtensible Markup Language
- XMMS = X Multimedia System
- XMS = Extended Memory Specification
- XNS = Xerox Network Systems
- XVGA = Extended Video Graphics Adapter
- XSL-FO = eXtensible Stylesheet Language Formatting Objects
- XTF = eXtensible Tag Framework
- XDM = X Window Display Manager
- XDMCP = X Display Manager Control Protocol
- XPCOM = Cross Platform Component Object Model
IT abbreviation list - Y
- ZPL = Z-level Programming Language
- ZCS = Zero Code Suppression
- ZISC = Zero Instruction Set Computer
- ZIF = Zero Insertion Force
- ZIFS = Zero Insertion Force Socket
- YAML = YAML Ain't Markup Language
- YAAF = Yet Another Application Framework
More important abbreviation on IT
- 1GL = First-Generation Programming Language
- 2GL = Second-Generation Programming Language
- 2NF = Second Normal Form
- 4GL = Fourth-Generation Programming Language
- 4NF = Fourth Normal Form
- 5GL = Fifth-Generation Programming Language
- 5NF = Fifth Normal Form
- 6NF = Sixth Normal Form
- 3GL = Third-Generation Programming Language
- 3GPP = mobile broadband "3G" Partnership Project
- 3NF = Third Normal Form
- 4B5BLF = 4 Byte 5 Byte Local Fiber
- 8B10BLF = 8 Byte 10 Byte Local Fiber
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