Liste: Abkürzungen in der IT (Informatik)

Inhaltsverzeichnis

In der IT gibt es eine ganze Menge an Abkürzungen. In der Computerwelt hat man schon oft von HDD, SSD, CPU oder KI gehört. Doch was bedeuten all diese Begriffe? Eine lange Liste haben wir nachfolg für euch.

In der linken Spalte steht die Abkürzung, in der rechten Spalte die dazugehörige Bedeutung. Da es in der IT viele Fachbegriffe gibt, ist die Liste relativ lang.

A

AA	Antialiasing
AAA	authentication, authorization and accounting, siehe Triple-A-System
AAC	Advanced Audio Coding
AACS	Advanced Access Content System
AAL	ATM Adaptation Layer
AAM	ATA/ATAPI Architecture Model
	Automatic acoustic management
ACC	Adaptive Computing Controller (SAP)
ACE	ASCII Compatible Encoding
	Access Control Entry (Eintrag in der Access Control List)
ACK	acknowledge ‘bestätige’, siehe ACK (Signal) und Netzjargon
ACL	Access Control List
ACPI	Advanced Configuration and Power Interface
ACR	Advanced Communication(s) Riser oder
	Automatic carriage return oder
	Attenuation To Crosstalk Ratio
ACS	Applied Computer Science (Angewandte Informatik) oder
	ATA/ATAPI Command Set (siehe ATA/ATAPI)
AD	Active Directory
ADAM	Active Directory Application Mode
ADAPT	Application Design for Analytical Processing Technologies
ADB	Apple Desktop Bus oder
	Android Debug Bridge
ADC	Apple Display Connector (Variante von DVI)
ADDS	Active Directory Domain Services (Erweiterung des früheren Verzeichnisdienstes ADS von Microsoft)
ADO	ActiveX Data Objects
ADS	Automated Deployment Service oder
	Alternate Data Streams
ADSL	Asymmetric Digital Subscriber Line, Variante von DSL
ADSP	AppleTalk Data Stream Protocol
AEG	Ausschalten, einschalten, geht, Tipp zur Problemlösung
AEP	AppleTalk Echo Protocol
AES	Advanced Encryption Standard
AF	Anisotropes Filtern
AFK	Away from Keyboard
AFP	Apple Filing Protocol
AGA	Advanced Graphics Architecture (Amiga–Chipsatz)
AGESA	AMD Generic Encapsulated Software Architecture
AGP	Accelerated Graphics Port
AGU	Address Generation Unit
AHCI	Advanced Host Controller Interface
AI	Artificial Intelligence (Künstliche Intelligenz, deutsche Abkürzung: KI)
AIA	Authority Information Access
AIFF	Audio Interchange File Format
AIM	AOL Instant Messenger
AIR	Adobe Integrated Runtime
AIT	Advanced Intelligent Tape
AJAX	Asynchronous JavaScript and XML
aka	also known as (auch bekannt unter dem Namen …) siehe: Pseudonym
ALM	Application Lifecycle Management (u. a. von Borland)
ALSA	Advanced Linux Sound Architecture
ALU	Arithmetisch-logische Einheit (arithmetisch-logische Einheit, Teil einer CPU)
AMD	Advanced Micro Devices
AMQP	Advanced Message Queuing Protocol
ANSI	American National Standards Institute
AOP	Aspektorientierte Programmierung
AOSP	Android Open Source Project
AP	Access Point
APDU	Application Protocol Data Unit
API	Application Programmers/Programming Interface oder
	Adaptive Planungsintelligenz
APIC	Advanced Programmable Interrupt Controller
APIPA	Automatic Private IP Addressing
APL	A Programming Language
APL	Abschlusspunkt Linientechnik
APM	Advanced Power Management
APOP	Authenticated Post Office Protocol
APU	Accelerated Processing Unit
AQE	Augmented Quad Edge (Datenstruktur zur Speicherung und effizienten Traversierung eins 3D Voronoi-Diagramms)
AR	Augmented Reality
ARM	Advanced RISC Machines Ltd. oder
	Application Response Measurement
ARP	Address Resolution Protocol
ARQ	Automatic Repeat reQuest
ARS	Adaptive Rate Selection
ASCII	American Standard Code for Information Interchange (amerikanische Standardkodierung für den Informationsaustausch)
ASIC	Application-Specific Integrated Circuit (anwendungsspezifische integrierte Schaltung)
ASN.1	Abstract Syntax Notation One
ASP	Active Server Pages oder
	Application Service Providing oder
	AppleTalk Session Protocol
ASPI	Advanced SCSI Programming Interface
AT	Advanced Technology (Bauform für Mainboards und Gehäuse)
ATA	Advanced Technology (AT) Attachment
ATAPI	AT-Attachment Packet Interface
ATM	Asynchronous Transfer Mode oder
	Asynchronous Time Multiplexing oder
	Adobe Type Manager
ATPG	Automatic Test Pattern Generation
ATX	Advanced Technology Extended
AUI	Attachment Unit Interface
AV	Anti-Virus
AVI	Audio Video Interleave

B

B	Bell Laboratories oder
	Programmiersprache B (Vorgänger von C)
B2A	Business-to-Administration
B2B	Business-to-Business
B2C	Business-to-Consumer
B2D	Backup-to-Disk Datensicherung auf Festplatte im Gegensatz zu Backup-to-Tape
B2E	Business-to-Employee
B2T	Backup-to-Tape Datensicherung auf ein Bandmedium wie DAT, DLT, LTO, …
BAM	Block Availability Map, siehe Dateisystem
BAPI	Business Application Programming Interface
BASIC	Beginner’s All-purpose Symbolic Instruction Code (Programmiersprache)
BBS	Bulletin Board System
BCC	Blind Carbon Copy (dt. Blindkopie, Feld im Kopf einer E-Mail, das zusätzliche Adressaten enthält, die aber nicht den anderen Adressaten mitgeteilt werden) oder
	Block Check Character (dt. Blockprüfzeichen)
BCD	Binary Coded Decimal
BCPL	Basic Combined Programming Language
BD	Blu-ray Disc
BDC	Backup Domain Controller oder
	Business Data Catalog im Microsoft Office SharePoint Server
BDD	Binary Decision Diagram
BER	Basic Encoding Rules oder
	Bit Error Rate
BERT	Bit Error Rate Test (Bitfehlerratentest)
BFD	Bidirectional Forwarding Detection
BGA	Ball Grid Array
BGP	Border Gateway Protocol
BiDi	Bidirectional Text Layout, siehe Bidirektionaler Text
BI	Business Intelligence
BIL	Bus-Interface-Logic
BIOS	Basic Input Output System
BLOB	Binary Large Object
BNC	Bayonet Neill Concelman, siehe BNC-Steckverbinder
BOFH	Bastard Operator From Hell
BOM	Byte Order Mark
BOOTP	Bootstrap Protocol
BOS	Base Operating System (dt. Betriebssystem)
BPEL	Business Process Execution Language
BSC	Binary Synchronous Communication
BSD	Berkeley Software Distribution
BSOD	Blue Screen of Death
BTO	Build-to-Order
BTX	Balanced Technology Extended oder
	Bildschirmtext

C

C	Programmiersprache C
CAAD	Computer Aided Architectural Design (Computergestütztes architektonisches Planen und Entwerfen)
CA	Certificate Authority
CAD	Computer-Aided Design (Computerunterstütztes Design)
CAE	Computer-aided engineering
CAF	Composite Application Framework
CAM	Computer-aided manufacturing
CAN	Controller Area Network oder
	Content Addressable Network
CAPI	Common ISDN Application Programming Interface
CAPWAP	Control And Provisioning of Wireless Access Points
CARP	Common Address Redundancy Protocol
CAS	Column Address Strobe: Dynamic Random Access Memory#CAS
CAS	Computeralgebrasystem
CAT	Catalog Service
CAV	Constant Angular Velocity
CAVE	Cave Automatic Virtual Environment
CAW	Computer-Aided Woodcut (zu Deutsch rechnerunterstützter Holzschnitt)
CBO	Cost Based Optimizer, kostenbasierten Optimizer für Zugriffe auf Datenbanksätze
CC	Carbon Copy oder
	Creative Commons
	C Compiler
CCD	Charge-coupled Device
CC/PP	Composite Capability/Preference Profiles
CCU	Camera Control Unit
CD	Compact Disc
CDATA	Character Data
CDC	Connected Device Configuration
CDE	Common Desktop Environment
CDMA	Code Division Multiple Access
CDN	Content Delivery Network
CD-R	Compact Disc Recordable
CD-ROM	Compact Disc Read-Only Memory
CD-RW	Compact Disc ReWriteable
CEPT	Conférence Européenne des Administrations des Postes et des Télécommunications
CET	Control-flow Enforcement Technology
CFML	ColdFusion Markup Language
CFSM	Communicating Finite State Machines
CGA	Color Graphics Adapter
CGI	Common Gateway Interface
CHAP	Challenge Handshake Authentication Protocol
CHS	Cylinder Head Sector
CICS	Customer Information Control System
CIDR	Classless Inter-Domain Routing
CIF	Common Intermediate Format
CIFS	Common Internet File System
CIM	Computer-integrated manufacturing oder
	Common Information Model
CISC	Complex Instruction Set Computer
CLDC	Connected Limited Device Configuration
CLI	Call Level Interface oder
	Command Line Interpreter oder
	Common Language Infrastructure
CLOB	Character Large Object
CLM	Certificate Lifecycle Manager
CLR	Common Language Runtime
CLTS	Connectionless Transport Service, ein verbindungsloser Service, beispielsweise UDP
CLV	Constant Linear Velocity
CM	Content-Management
CMM	Capability Maturity Model oder
	Color Management Module
CMOS	Complementary Metal Oxide Semiconductor (dt. Komplementärer Metall-Oxid-Halbleiter)
CMS	Content-Management-System
CMYK	Cyan Magenta Yellow Key, siehe CMYK-Farbmodell
CO	Callable Object
COBOL	Common Business Oriented Language
CODASYL	Conference on Data Systems Languages
COM	Component Object Model oder
	Computer on Module (Kernhardware eines Computers implementiert auf einem steckbaren Modul)
COMA	Cache-only-Memory-Access
CORBA	Common Object Request Broker Architecture
COTS	Connection Oriented Transport Service, ein verbindungsorientierter Service, wie beispielsweise TCP
COW	Copy-On-Write, Verfahren zur Vermeidung von überflüssigen Kopien von Daten
CPL	Call Processing Language oder
	Combined Programming Language oder
	Common Public License
CP/M	Control Program/Monitor, später: Control Program for Microcomputers
CPPM	Content Protection for Pre-Recorded Media, Kopierschutzverfahren der DVD-Audio
CPRI	Common Public Radio Interface
CPRM	Content Protection for Recordable Media
CPSL	Common Pattern Specification Language
CPU	Central Processing Unit
CPUID	Central Processing Unit Identification
CRC	Cyclic Redundancy Check, Verfahren zur Ermittlung von Übertragungsfehlern
CRE	Content Relationship Engine
CRL	Certificate Revocation List
CRM	Customer-Relationship-Management
CRT	Cathode Ray Tube
CRUD	Create, Read, Update, Delete (Datenbankoperationen)
CSA	Common-Scrambling-Algorithmus oder
	Connector, Switch, Attenuator theory
CSI	Common System Interface
CSM	Compatibility Support Module
CSMA/CA	Carrier Sense Multiple Access/Collision Avoidance
CSMA/CD	Carrier Sense Multiple Access/Collision Detection
CSP	Communicating Sequential Processes
CSS	Cascading Style Sheets oder
	Content Scramble System
CSV	Character Separated Values, Comma Separated Values
CTF	Capture the Flag
CTL	Complex Text Layout
CTS	Clear To Send
CUDA	Compute Unified Device Architecture
CUI	Character User Interface, d. i. Zeichenorientierte Benutzerschnittstelle
CUoD	Capacity Upgrade on Demand
CUPS	Common Unix Printing System
CVS	Concurrent Versions System
CWM	Common Warehouse Metamodel

D

D2D2T	Disk to disk to tape (Backup)
DAE	Digital Audio Extraction
DAL	Data Abstraction Layer
DAO	Data Access Objects (Microsoft) oder
	Data Access Object (Entwurfsmuster) oder
	Disc-At-Once (Schreibmethode)
DAP	Directory Access Protocol
DAT	Digital Audio Tape
DAU	Dümmster anzunehmender User
DAU	daily active user – Facebook: täglich aktive(r) Benutzer
DAV	Distributed Authoring and Versioning; siehe WebDAV
DB	Datenbank
DBMS	Database management system
DBP	Database Publishing
DC	Domain Controller oder
	Domain Component
DCE	Data Communication Equipment oder
	Distributed Computing Environment
DCIM	Digital Camera Images
DCL	Data Control Language oder
	DIGITAL Command Language
DCO	Device Configuration Overlay (siehe ATA/ATAPI) oder
	Dynamic Code Obfuscation
DCOM	Distributed Component Object Model
DCP	Disk Control Program
DCS	Dynamic Channel Selection
DCT	Diskrete Cosinus Transformation
DCTL	Direct Coupled Transistor Logic
DD	Double Density (Diskette)
DDC	Display Data Channel
DDE	Dynamic Data Exchange
DDF	Disk Data Format
DDI	Device Driver Interface
DDL	Data Definition Language
DDoS	Distributed Denial of Service
DDR	Double Data Rate
DDS	Digital Data Storage oder
	Direct Digital Synthesis oder
	Direct Draw Surface
DDV	Datendirektverbindung
DDX	Direct Data Exchange
DECT	Digital Enhanced Cordless Telecommunications
DENIC	DE Network Information Center
DEP	Data Execution Prevention
DES	Data Encryption Standard
DFS	Distributed File System oder
	Dynamic Frequency Selection oder
	Depth-First Search
DFÜ	Datenfernübertragung (engl.: DUN)
DH	Data Highway
DHCP	Dynamic Host Configuration Protocol
DHTML	Dynamic HTML, Kombination von Hypertext Markup Language und JavaScript
DIL	Dual in-line package
DIME	Direct Internet Message Encapsulation
DIMM	Dual Inline Memory Module
DIS	Distributed Interactive Simulation
DIT	Directory Information Tree
DivX	Digital Video Express
DL	Double Layer
DLL	Dynamic Link Library
DLM	Document Lifecycle Management
DLP	Digital Light Processing
DLR	Dynamic Language Runtime, siehe .NET
DMA	Direct Memory Access
DMCA	Digital Millennium Copyright Act
DMD	Digital Micromirror Device
DMI	Desktop Management Interface oder
	Direct Media Interface
DML	Data Manipulation Language
DMS	Dokumentenmanagementsystem (Document Management System)
DMTF	Distributed Management Task Force
DMZ	Demilitarized Zone (Demilitarisierte Zone)
DNS	Domain Name System
DNSBL	DNS-based Blackhole List
DoD	Department of Defense
DOM	Document Object Model
DOS	Disk Operating System oder
	Denial of Service (DoS)
dpi	Dots per Inch
DPA	Data Path Array
DPS	Desktop Purchasing System oder
	Data Protection System
DPU	Data Path Unit
DRAC	Dell Remote Access Controller
DRAM	Dynamic Random Access Memory
DRI	Direct Rendering Infrastructure
DRL	Data Retrieval Language
DRM	Digital Rights Management
DRT	Document Related Technologies
DS	double-sided (Diskette oder Speichermodul)
DSA	Distributed Systems Architecture oder
	Directory System Agent
DSL	Digital Subscriber Line oder
	Domain Specific Language
DSP	Digital Signal Processor
DSR	Data Set Ready
DSSS	Direct Sequence Spread Spectrum
DSSSL	Document Style Semantics and Specification Language
DTD	Document Type Definition
DTE	Data Terminal Equipment
DTM	Dual Transfer Mode
DTO	Data Transfer Object
DTP	Desktoppublishing
DTR	Data Terminal Ready
DUA	Directory User Agent
DUN	Dial-Up Networking
DVB	Digital Video Broadcasting
DVB-C	Digital Video Broadcasting – Cable
DVB-H	Digital Video Broadcasting – Handhelds
DVB-S	Digital Video Broadcast – Satellite
DVB-T	Digital Video Broadcasting – Terrestrial
DVD	Digital Versatile Disc
DVI	Digital Visual Interface
DVCS	Distributed Version Control System (Verteilte Versionsverwaltung)
DWH	Data-Warehouse
DWT	Diskrete Wavelet-Transformation
DXF	Drawing Interchange Format (auch Drawing Exchange Format)

E

EAI	Enterprise Application Integration
EBCDIC	Extended Binary Coded Decimals Interchange Code
EBNF	Extended Backus-Naur Form
ECC	Error-correcting code
ECM	Enterprise Content-Management
ECMA	European Computer Manufacturers Association
ECP	Extended Capability Port oder
	Encryption Control Protocol
ED	Extra-high Density (Diskette)
EDD	Enhanced Disk Drive Services (PC-BIOS Funktionen für Zugriff auf Festplatten)
EDDL	Electronic Device Description Language
EDGE	Enhanced Data Rates for GSM Evolution
EDI	Electronic Data Interchange
EDID	Extended Display Identification Data
EDM	Electronic Document Management
EDP	Electronic Data Processing
EDV	Elektronische Datenverarbeitung, engl.: EDP
EEPROM	Electrically Erasable Programmable Read-Only Memory
EFI	Extensible Firmware Interface
EFS	Encrypting File System
EGA	Enhanced Graphics Adapter
EHCI	Enhanced Host Controller Interface
EIA-232	Electronic Industries Alliance 232, bekannt als V.24; ursprünglich RS-232
EIB	Europäischer Installationsbus
EIDE	Enhanced Integrated Device Electronics
EIGRP	Enhanced Interior Gateway Routing Protocol
EIS	Entry Into Service
EISA	Extended Industry Standard Architecture
EIST	Enhanced Intel SpeedStep Technology
EJB	Enterprise Java Beans
EJBQL	EJB Query Language
EL	Expression Language
EM64T	Extended Memory 64 Technology, alter Name von Intel 64
EMS	Expanded Memory Specification
EMV	Elektromagnetische Verträglichkeit
EOD	End Of Discussion (Slang)
EOF	End of File oder
	Enterprise Objects Framework
EPLD	Erasable Programmable Logic Device
EPP	Enhanced Parallel Port oder
	Encrypting PIN Pad oder
	Enhanced Performance Profiles bei RAM
EPROM	Erasable Programmable Read Only Memory
EPS	Encapsulated PostScript
EPSS	Electronic Performance Support System
ESB	Enterprise Service Bus
ERP	Enterprise Resource Planning
ES	Enterprise Service
ESCD	Extended System Configuration Data
ESP	EFI System Partition, siehe Definition in GUID Partition Table
ESQL	Embedded SQL
ESSID	Extended Service Set Identifier
ET	Entscheidungstabelle
ETB	End of Transmission Block, ein Steuerzeichen bei der Datenübertragung
ETL	Extract, Transform, Load
EUCS	End User Computing Satisfaction
EVA	Eingabe – Verarbeitung – Ausgabe (EVA-Prinzip) oder
	Enterprise Virtual Array (Disk Array von Hewlett Packard für mehrere Terabyte Daten)
EWF	Enhanced Write Filter, wird bei Windows XP embedded verwendet
exFAT	Extended File Allocation Table
Exif	Exchangeable Image File Format for Digital Still Cameras
Ext2	Second extended Filesystem

F

FAI	Fully Automatic Installation
FAQ	Frequently Asked Questions
FAT	File Allocation Table
FB	Facebook
FC	Fibre Channel
FCFS	First-Come First-Served, siehe First In – First Out
FD	Floppy Disk
FDD	Floppy Disk Drive
FDDI	Fiber Distributed Data Interface
FDMA	Frequency Division Multiple Access
FET	Field Effect Transistor
FFT	Fast Fourier Transform (schnelle Fourier-Transformation)
FGA	Floating Gate Array
FHSS	Frequency Hopping Spread Spectrum
FIFO	First In – First Out
FILO	First In – Last Out, siehe Last In – First Out
FLAC	Free Lossless Audio Codec
FLOP	Floating Point Operation (Gleitkommaoperation)
FLOPS	Floating Point Operations per Second
FPGA	Field Programmable Gate Array
FPLA	Field Programmable Logic Array
FPS	Frames per Second (Bilder pro Sekunde. Bildfrequenz) oder
	First Person Shooter
FPU	Floating Point Unit (Gleitkommaeinheit, numerischer Coprozessor)
FQDN	Fully Qualified Domain Name
FSAA	Full Scene Antialiasing
FSB	Front Side Bus
FSM	Finite State Machine
FTBFS	Fails to build from source (Debian-Slang)
FTP	File Transfer Protocol
FTTH	Fibre To The Home
FW	Forwarding (bei E-Mails oft benutzt)

G

GAL	Generic Array Logic
GAN	Global Area Network
GBIC	Gigabit Interface Converter
GC	Garbage Collection / Garbage-Collector oder
	Global Catalog
GCC	GNU Compiler Collection
GCR	Group Coded Recording
GDDR	Graphics Double Data Rate
GFS	Global File System
GID	Group Identification, siehe Benutzer- und Rechteverwaltung unter Unix
GIF	Graphics Interchange Format
GINA	Graphical Identification and Authentication
GIS	Geoinformationssystem
GLBP	Gateway Load Balancing Protocol
GLE	Graphics Layout Engine
GLU	OpenGL Utility Library
GLUT	OpenGL Utility Toolkit
GML	Geography Markup Language
GMPLS	Generalized Multiprotocol Label Switching (Weiterentwicklung von MPLS)
GNOME	GNU Network Object Model Environment
GNU	GNU‘s Not Unix (ein rekursives Akronym), siehe GNU-Projekt
GOOSE	Generic Object Oriented Substation Events
GP	Guided Procedures
GPG	GNU Privacy Guard
GPL	GNU General Public License
GPRS	General Packet Radio Service
GPT	GUID Partition Table
GPU	Graphics Processing Unit
GPX	GPS Exchange Format
GRE	Gecko Runtime Environment oder
	Generic Routing Encapsulation
GRUB	Grand Unified Bootloader
GSM	Global System for Mobile Communications
GTK	GIMP-Toolkit
GUI	Graphical User Interface
GUID	Globally Unique Identifier

H

HAL	Hardware Abstraction Layer
HBA	Host-Bus-Adapter
HBCI	Homebanking Computer Interface
HCA	Host Channel Adapter
HCI	Human Computer Interaction
HCR	Handprint Character Recognition
HD	Hard Disk
HDCP	High-bandwidth Digital Content Protection
HDD	Hard Disk Drive
HDE	Hauptverband des Deutschen Einzelhandels
HDL	Hardware Description Language
HDLC	High-Level Data Link Control
HDMI	High Definition Multimedia Interface
HDRR	High Dynamic Range Rendering
HDTV	High Definition Television
HGC	Hercules Graphics Card
HID	Human Interface Device
HIP	Host Identity Protocol
HIPPI	High Performance Parallel Interface
HMA	High Memory Area
HMD	Head-Mounted Display
HMI	Human Machine Interface
HPC	High Performance Computing
HPET	High Precision Event Timer
HPFS	High Performance File System
HRHD	High Resolution High Definition
HSCSD	High Speed Circuit Switched Data
HSDPA	High Speed Downlink Packet Access
HSRP	Hot Standby Router Protocol
HSUPA	High Speed Uplink Packet Access
HT	HyperTransport
HTC	High Throughput Computing
HTCP	Hyper Text Caching Protocol
HTML	Hypertext Markup Language
HTPC	Home Theater Personal Computer
HTT	Hyper-Threading-Technologie
HTTP	Hypertext Transfer Protocol
HTTPS	Hypertext Transfer Protocol Secure

I

I18N	Internationalization
IA5	Internationales Alphabet Nr. 5
IANA	Internet Assigned Numbers Authority
I²C	Inter-Integrated Circuit
ICANN	Internet Corporation for Assigned Names and Numbers
ICC	International Color Consortium
ICH	I/O Controller Hub
ICMP	Internet Control Message Protocol
ICS	Internet Connection Sharing
IDE	Integrated Development Environment oder
	Integrated Drive Electronics, siehe ATA/ATAPI
IDEF	Integrated Definition Methods
IDF	Intel Developer Forum
IDL	Interface Definition Language
IDMS	Integrated Database Management System
IDN	Internationalized Domain Name
IDNA	Internationalizing Domain Names in Applications
IED	Intelligent Electronic Device
IEEE	Institute of Electrical and Electronics Engineers
IETF	Internet Engineering Task Force
IFF	Interchange File Format
IGP	Integrated Graphics Processor
IGMP	Internet Group Management Protocol
IGRP	Interior Gateway Routing Protocol
IIOP	Internet Inter-ORB Protocol
IIS	Microsoft Internet Information Services
IKE	Internet Key Exchange (siehe IPsec)
ILDA	International Laser Display Association
ILM	Information Lifecycle Management
IMAP	Internet Message Access Protocol
IMC	Internet Mail Connector (siehe Microsoft Exchange Server)
IMQ	Intermediate Queuing Device
IMS	Information Management System
INET	Internet
Intel	Integrated Electronics
IP	Internet Protocol
IPC	Inter-Process Communication oder
	Instructions per cycle
IPP	Internet Printing Protocol
IPPD	Integrated Product and Process Development
IPPP	ISDN Point-to-Point Protocol
IPS	Instructions per Second
IPSec	Internet Protocol Security
IPT	Intel Identity Protection Technology
IPTV	Internet-Protokoll-Fernsehen
IPX	Internetwork Packet Exchange
IRC	Internet Relay Chat
IrDA	Infrared Data Association
IRQ	Interrupt Request
IRTF	Internet Research Task Force
IRV	Internationale Referenzversion (des IA5)
ISA	Industry Standard Architecture
iSCSI	Internet SCSI
ISDN	Integrated Services Digital Network
ISO	Internationale Organisation für Normung
ISO-C	Variante von C
ISP	Internet Service Provider
ISSE	Internet Streaming SIMD Extensions
IT	Informationstechnik / Information Technology
ITIL	ITIL
ITU	International Telecommunication Union (Internationale Fernmeldeunion)
IxD	Interaction Design

J

J2EE	Java Platform, Enterprise Edition
J2ME	Java Platform, Micro Edition
J2SE	Java Platform, Standard Edition
JACK	JACK Audio Connection Kit
JAXP	Java API for XML Processing
JCL	Job Control Language
JDBC	Java Database Connectivity
JDF	Job Definition Format
JDIC	JDesktop Integration Components
JDK	Java Development Kit
JES	Job Entry Subsystem
JEU	Jump Execution Unit
JFS	Journaled File System
JMF	Java Media Framework
JMS	Java Message Service
JNDI	Java Naming and Directory Interface
JNLP	Java Network Launching Protocol
JOLAP	Java Based OLAP interface
JPEG	Joint Photographic Experts Group
JRE	Java Runtime Environment
JSF	JavaServer Faces
JSON	JavaScript Object Notation
JSP	JavaServer Pages
JSR	Java Specification Request
JTM	Job Transfer and Manipulation
JVM	Java Virtual Machine

K

KDE	K Desktop Environment
KI	Künstliche Intelligenz
KM	Konfigurationsmanagement oder
	Knowledge Management
KML	Keyhole Markup Language
KRA	Key Recovery Agent
KVM	Keyboard – Video – Mouse

L

L10n	Localization
L2TP	Layer 2 Tunneling Protocol
LACP	Link Aggregation Control Protocol
LADSPA	Linux Audio Developer’s Simple Plugin API
LAMP	Linux-Apache-MySQL-PHP
LAN	Local Area Network
LAT	Local Area Transport
LBA	Logical Block Addressing
LCD	Liquid Crystal Display
LCN	Local Control Network
LCoS	Liquid Crystal on Silicon
LCR	Least Cost Router
LDAP	Lightweight Directory Access Protocol
LDS	Lightweight Directory Services
LDU	Logical Data Unit
LED	Light Emitting Diode
LER	Label Edge Router
LFS	Large File Support oder
	Linux From Scratch
LFSR	Linear Feedback Shift Register
LGA	Land Grid Array
LIFO	Last In – First Out
LILO	Linux Loader oder
	Last In – Last Out (s. a. First In – First Out)
LISP	List Processing
LLC	Logical Link Control
LON	Local Operating Network
LP	Line Printer (Zeilendrucker, s. a. Drucker)
LPC	Low Pin Count
LPP	Licensed Product Package
LPT	Line Printer
LRU	Least recently used
LS120	Laser Servo Disk
LSA	Local Security Authority
LSASS	Local Security Authority Subsystem
LSB	Least Significant Bit
LSR	Label Switch Router
LTE	Long Term Evolution
LTS	Long Term Support
LUG	Linux User Group
LUN	Logical Unit Number
LVDS	Low Voltage Differential Signaling
LVM	Logical Volume Manager

M

M2M	Machine-to-Machine
M4A	MPEG-4 Audio
MAC	Media Access Control
MAC	Machine Authentication Code
MAK	Multiple Activation Key
MAPI	Messaging Application Programming Interface
MAN	Metropolitan Area Network
MAU	monthly active user – Facebook: monatlich aktive(r) Benutzer oder
	Multistation Access Unit
MBR	Master Boot Record
MCA	Micro Channel Architecture
MCF	Meta Content Framework
MCH	Memory Controller Hub
MCM	Multi-Chip-Modul
MCP	Multi Chip Package, siehe Multi-Chip-Modul oder
	Master Control Program (Betriebssystem von Burroughs) oder
	Media Communications Processor (von Nvidia entwickelter Prozessor)
MCX	Media Center Extender
MDAC	Microsoft Data Access Components
MDCT	Modifizierte diskrete Kosinustransformation oder
	Multi-detector Computed Tomography oder
	Multislice Detector Computed Tomography oder
	Multi-row-detector Computed Tomography
MFM	Modified Frequency Modulation
MFT	Master File Table
MFU	Most Frequently Used
MHP	Multimedia Home Platform
MIDI	Musical Instrument Digital Interface
MIDS	Multifunctional Information Distribution System
MII	Media Independent Interface
MIIS	Microsoft Identity Integration Server
MIMD	Multiple-Instruction Multiple-Data
MIME	Multipurpose Internet Mail Extensions
MIPS	Million Instructions per Second oder
	Microprocessor without interlocked pipeline stages
MKV	Matroska Video
MMI	Man Machine Interface, siehe Mensch-Maschine-Schnittstelle
MMORPG	Massively Multiplayer Online Role-Playing Game
MMS	Multimedia Messaging Service
MMU	Memory Management Unit
MMX	Multi Media Extension
mobo	Slang für Motherboard
MOD	Magneto Optical Disc
MOO	Mud object oriented
MOST	Media Oriented System Transport
MP3	MPEG-1 Audio Layer 3
MP4	MPEG-4
MPEG	Moving Picture Experts Group
MPI	Message Passing Interface
MPLS	Multiprotocol Label Switching
MPP	Massively Parallel Processing
MP/M	Multi-User Version des CP/M (Control Program for Microcomputers)
MPU	Micro Processor Unit (siehe Mikroprozessor) oder
	Memory Protection Unit
MQTT	Message Queue Telemetry Transport
MRAM	Magnetoresistive Random Access Memory
MRCP	Media Resource Control Protocol
MRU	Maximum Receive Unit oder
	Most Recently Used
M$	Slang für Microsoft
MSB	Most Significant Bit
MSDN	Microsoft Developer Network
MSDNAA	MSDN Academic Alliance
MSIMD	Multiple Single Instruction Multiple Data
MSN	Microsoft Network oder
	Multiple Subscriber Number
MTA	Mail Transfer Agent
MTBF	Mean Time Between Failures
MTU	Maximum Transmission Unit
MUA	Mail User Agent
MUD	Multi User Dungeon
MVC	Model View Controller
MX	Mail Exchange Resource Record
MZR	Multiple Zone Recording

N

NAC	Network Access Control
NAL	Network Abstraction Layer
NAN	National Area Network
NAS	Network Attached Storage
NAT	Network Address Translation
NBD	Network Block Device
NCP	NetWare Core Protocol
NCQ	Native Command Queuing
NDES	Network Device Enrollment Service
NDIS	Network Driver Interface Specification
NDS	Novell Directory Services
NEDC	New Enterprise Data Center
NEXT	Near End Crosstalk
NFS	Network File System
NGSCB	Next Generation Secure Computing Base
NIC	Network Information Center oder
	Network Interface Card
NNTP	Network News Transfer Protocol
NOC	Network Operation Center
NRU	Not Recently Used (siehe Paging)
NRZ	Non Return to Zero (auch NRZI = Non Return to Zero Invert)
NSS	Name Service Switch
NTBA	Network Termination for ISDN Basic rate Access
NTFS	New Technology File System
NTP	Network Time Protocol
NTSC	National Television Standards Committee
NUI	Natural User Interface
NUMA	Non-Uniform Memory Access
NVE	Networked Virtual Environment
NVRAM	Non Volatile Random Access Memory
NWDS	NetWeaver Developer Studio

O

OAN	Open Access Network
OASIS	Organization for the Advancement of Structured Information Standards
OCI	Open Catalog Interface
OCP	Überstromschutz (Over Current Protection)
OCR	Optical Character Recognition
OCSP	Online Certificate Status Protocol
ODBC	Open DataBase Connectivity
ODD	Optical Disk Drive
ODMC	On Demand Clock Modulation
ODMG	Object Database Management Group
ODR	Octal Data Rate
OEM	Original Equipment Manufacturer
OFDM	Orthogonal Frequency Division Multiplexing
OGC	Open Geospatial Consortium (vormals OpenGIS Consortium)
OHCI	Open Host Controller Interface
OLAP	Online Analytical Processing
OLE	Object Linking and Embedding
OLED	Organic Light Emitting Diode
OLSR	Optimized Link State Routing
OLTP	Online Transaction Processing
OODBMS	Object-Oriented DataBase Management System
OOo	OpenOffice.org
OOP	Objektorientierte Programmierung
OPC	Operation Planning and Control oder
	OLE for Process Control
OQL	Object Query Language
ORDBMS	Object-Relational DataBase Management System
OS	Operating System
OSA	Open Systems Architecture
OSGi	Open Services Gateway Initiative
OSI	OSI-Modell
OSPF	Open Shortest Path First
OSS	Open Sound System oder
	Open-Source-Software
OSSD	Output Signal Switching Device
OU	Organizational Unit, eine Teilstruktur einer Organisation, z. B. eine Abteilung
OWS	OpenGIS Web Service (siehe Open Geospatial Consortium)

P

P2PTV	Peer-to-Peer-TV
P2P	Peer-to-Peer
PADI	PPPoE Active Discovery Initiation
PAG	Program Analyzer Generator
PAL	Programmable Array Logic oder
	Phase Alternating Line
PAM	Pluggable Authentication Module oder
	Programmable Attribute Map
PAN	Personal Area Network
PAP	Password Authentication Protocol oder
	Printer Access Protocol oder
	Programmablaufplan
PATMOS	Power And Timing Modelling, Optimization and Simulation
PBCC	Packet Binary Convolution Coding
PC	Personal Computer oder
	Program Counter
PCA	Programmable Counter Array
PCB	Process Control Block oder
	Printed Circuit Board (Platine)
PCI	Peripheral Component Interconnect
PCIe/PCI-E	Peripheral Component Interconnect Express
PCI-X	Peripheral Component Interface Extension
PCMCIA	Personal Computer Memory Card International Association
PC/SC	Personal Computer/Smart Card
PDA	Personal Digital Assistant
PDC	Primary Domain Controller
PDF	Portable Document Format
PDM	Product Data Management
PDU	Protocol Data Unit oder
	Power Distribution Unit
PEBKAC	Problem Exists Between Keyboard And Chair
PEG	PCI Express for Graphics
PFS	Perfect Forward Secrecy
PGA	Pin Grid Array
PGP	Pretty Good Privacy
PHP	PHP: Hypertext Preprocessor (rekursives Akronym)
PI	Process Integration
PIA	Peripheral Interface Adapter
PIC	Participant Identification Code
PIC	Programmable Interrupt Controller
PID	Personally-Identifiable Data
PIM	Personal Information Manager
PIMF	Pair In Metal Foil
PING	Packet Inter-Network Groper
PIO	Programmed Input/Output
PKI	Public Key Infrastructure
PL/I	Programming Language One
PLA	Programmable Logic Array
PLM	Product-Lifecycle-Management
PLMA	Private Label Manufacturers Association
PMF	Pointer to Member Function (Datentyp der Programmiersprache C++)
PMU	Power Management Unit
PNG	Portable Network Graphics
PnP	Plug and Play
PoE	Power over Ethernet
POF	Polymere optische Faser
POJO	Plain Old Java Object
POP	Post Office Protocol
POP3	Post Office Protocol Version 3
POSIX	Portable Operating System Interface for UniX
POST	Power On Self-Test
POTS	Plain Old Telephone System
PPD	PostScript Printer Description
PPI	Pixel per Inch
PPP	Point-to-Point Protocol
PPPoE	PPP over Ethernet
PPTP	Point-to-Point Tunneling Protocol
PPU	Physics Processing Unit
PRBS	Pseudo-random bit stream
PS	PostScript
PSA	Pseudo Application als Microsoft-Office-2007-Dokument, wie PowerPoint oder Excel
PSACR	Power Sum Attenuation to Crosstalk Ratio
PSAI	Pseudo Application Interface, liefert Daten in Echtzeit an andere Anwendungen oder andere Hardware
PSD	Photoshop Document
PSTN	Public Switched Telephone Network
PVC	Permanent Virtual Circuit
PWM	Pulse Width Modulation
PXE	Preboot Execution Environment

Q

QDR	Quadruple Data Rate, Weiterentwicklung von Double Data Rate
QPI	QuickPath Interconnect
QoS	Quality of Service
QUXGA	Quad Ultra Extended Graphics Array
QVGA	Quarter Video Graphics Array
QWUXGA	Quad Wide Ultra Extended Graphics Array
QXGA	Quad Extended Graphics Array

R

RAD	Rapid Application Development
RAID	Redundant Array of Independent Disks, ursprünglich Redundant Array of Inexpensive Disks
RADIUS	Remote Authentication Dial-In User Service
RAM	Random-Access Memory
RAR	Resource Adapter
RARP	Reverse Address Resolution Protocol
RAS	Remote Access Service
RAS	Row Address Strobe
RBL	Realtime Blackhole List
RCP	Rapid Control Prototyping oder
	Rich-Client-Platform oder
	Remote Copy Protocol
RDBMS	Relational Database Management System
RDF	Resource Description Framework
RDP	Remote Desktop Protocol
RED	Random Early Detection
REST	Representational State Transfer
REU	RAM Expansion Unit
REXX	Restructured Extended Executor Language
RFC	Request for Comments
RFC	Remote Function Call
RFID	Radio Frequency Identification
RGB	Red Green Blue (Rot Grün Blau)
RI	Ring Indicator
RIA	Rich Internet Application
RIMM	Rambus In-Line Memory Modul
RID	Relative Identifier
RIP	Routing Information Protocol oder
	Raster Image Process
RISC	Reduced Instruction Set Computer
RLE	Run-length encoding
RLL	Run Length Limited
RMI	Remote Method Invocation
RMS	Rights Management Services
ROI	Region of Interest (in der Bildverarbeitung)
ROM	Read Only Memory
RPC	Remote Procedure Call
RPG	Role Playing Game oder
	Report Program Generator
RPM	RPM Package Manager (rekursives Akronym, ehemals RedHat Package Manager)
RPS	Rights Protection System
RS-232	Recommended Standard 232, eigentlich: Radio Sector 232, heute: EIA-232
RSA	Rivest, Shamir, Adleman
RSH	Remote Shell
RSS	Really Simple Syndication
RTC	Real Time Clock
RTF	Rich-Text-Format
RTFM	Read The Fucking Manual
RTL	Register Transfer Level (Ebene in Hardware / Hardware-Modellierung)
RTOS	Realtime Operating System
RTP	Realtime Transport Protocol
RTS	Request To Send
RTSI	Real Time System Integration
RTTI	Runtime Type Information
RUE	Rich User Experiences

S

SAA	Systems Application Architecture
SACD	Super Audio Compact Disc
SAFT	Simple Asynchronous File Transfer
SAM	Security Account Manager
SAN	Storage Area Network oder
	System Area Network
SANE	Scanner Access Now Easy oder
	Standard Apple Numeric Environment
SAS	Serial Attached SCSI
SASL	Simple Authentication and Security Layer
SAT	SCSI/ATA Translation
SATA	Serial ATA
SATL	SCSI/ATA Translation Layer (siehe SCSI/ATA Translation)
SAX	Simple API for XML
SaaS	Software as a Service
SBC	Session Border Controller oder
	single-board computer
SBP-2	Serial Bus Protocol, Protokoll aus der IEEE1394- bzw. Firewire- bzw. iLink-Welt
SCAM	SCSI Configuration AutoMatically
SCEP	Simple Certificate Enrollment Protocol
SCP	Secure Copy Protocol
SCPI	Standard Commands for Programmable Instruments
SCSA	Secure Content Storage Association
SCSI	Small Computer System Interface
SCUMM	Script Creation Utility for Maniac Mansion
SD	Single Density (Diskette)
SDF	Synchronous Data Flow
SDH	Synchronous Digital Hierarchy
SDK	Software Development Kit oder
	System Design Kit
SDL	Service Description Language (siehe Web Services Description Language) oder
	Simple DirectMedia Layer oder
	Specification and Description Language
SDLC	Synchronous Data Link Control oder
	Software Development Life Cycle
SDR	Single Data Rate
SDSL	Symmetric Digital Subscriber Line (Variante von DSL)
SEO	Search Engine Optimization
SFF	Small Form Factor
SFP	Small Form-factor Pluggable (umgangssprachlich auch mini-GBIC)
SGML	Standard Generalized Markup Language
SHFS	Shell File System
SHTTP	Secure Hyper Text Transport Protocol
SIM	Subscriber Identity Module
SIMD	Single Instruction Multiple Data
SIMM	Single Inline Memory Module
SIP	Session Initiation Protocol oder
	Sideway Information Passing
SIPP	Single Inline Pin Package (siehe Single Inline Memory Module)
SIS	Single Instance Storage
SL	Microsoft Silverlight
SLA	Service-Level-Agreement
SLAM	Simultaneous Localization and Mapping
SLD	Second Level Domain oder
	Styled Layer Descriptor
SLI	Scalable Link Interface
SLIP	Serial Line Internet Protocol
SLL	Static Link Library
SLNP	Simple Library Network Protocol
SLP	Service Location Protocol
SLR	Scalable Linear Recording
SMAP	Simple Mail Access Protocol
SMART	Self-Monitoring, Analysis and Reporting Technology
SMASH	Systems Management Architecture for Server Hardware
SMB	System Management Bus oder
	Server Message Block
SMBIOS	Systems Management BIOS
SMD	Surface Mounted Device
SMIL	Synchronized Multimedia Integration Language
SMI-S	Storage Management Initiative – Specification
SML	Standard ML oder
	System Management Language
S/MIME	Secure / Multipurpose Internet Mail Extensions
SMP	Symmetric Multi-Processing, siehe Symmetrisches Multiprozessorsystem
SMS	Short Message Service
SMT	Simultaneous Multithreading
SMTP	Simple Mail Transfer Protocol
S/N	Serial Number
SNA	Systems Network Architecture (IBM-Großrechner)
SNMP	Simple Network Management Protocol
SOA	Service Oriented Architecture oder
	Start of Authority (im DNS, siehe SOA Resource Record)
SOAP	Simple Object Access Protocol
SOX	Sarbanes-Oxley Act
S/PDIF	Sony/Philips Digital Interface
SPDX	Software Package Data Exchange
SPEC	Standard Performance Evaluation Corporation
SPEWS	Spam Prevention Early Warning System
SPF	Sender Policy Framework
SPI	Serial Peripheral Interface
SPLC	Secure Product Lifecycle
SPM	Scratch Pad Memory
SPoF	Single Point of Failure
SPP	System Platform Processor (NVIDIAs Gegenstück zu Intels MCH)
	Standard Parallel Port
SPW	Satisfaction per watt (Von Intel vorgeschlagene, objektivere Kennzahl als PPW (Performance per Watt))
SQL	Structured Query Language (Strukturierte Abfragesprache), Datenbankabfragesprache
SRAM	Static Random Access Memory
SRM	Service Resolution Management
SRP	Secure Remote Password, Sicherheitsstandard für Authentifizierungsverfahren oder
	Software Restriction Policies
SS	single-sided (Diskette oder Speichermodul)
SSD	Solid-State-Drive
SSE	Streaming SIMD Extensions
SSH	Secure Shell
SSI	Server Side Includes
SSID	Service Set Identifier
SSL	Secure Sockets Layer oder
	Syntax/Semantic Language
SSO	Single Sign-on
ST	Simple Transformations
STFW	Search the fucking web
STP	Shielded Twisted Pair
STUN	Simple traversal of UDP over NATs
SUXGA	Super Ultra Extended Graphics Array
SVCD	Super Video Compact Disc
SVDRP	Simple Video Disk Recorder Protocol
SVG	Scalable Vector Graphics
SVGA	Super Video Graphics Array
SVN	Subversion
SXGA	Super Extended Graphics Array

T

Tcl	Tool command language
TC	Turbo Cache
TCO	Total Cost of Ownership
TCP	Transmission Control Protocol
TCPA	Trusted Computing Platform Alliance
TCP/IP	Transmission Control Protocol / Internet Protocol
TDMA	Time Division Multiple Access
TDP	Thermal Design Power
TEDS	Transducer Electronic Data Sheet
TFT	Thin Film Transistor
TFTP	Trivial File Transfer Protocol
TIPC	Transparente Inter-Process Communication
TKIP	Temporal Key Integrity Protocol
TLB	Translation Lookaside Buffer
TLD	Top-Level-Domain oder
	Tag Library Descriptor
TLM	Transaction Level Modelling
TLS	Transport Layer Security
TM	Transactional Memory
TOS	The Operating System oder
	Tramiel Operating System (Betriebssystem der Atari-Computer)
TPC	Transmitter Power Control oder
	Transaction Processing Performance Council
TPI	Tracks Per Inch
TPM	Trusted Platform Module
TPoX	Transaction Processing over XML
TS	Timeserver oder
	Terminal Server oder
	TeamSpeak oder
	Transport Stream
TSC	Time Stamp Counter
TSP	Traveling Salesman Problem
TSO	Time-Sharing Option
TTL	Time-to-live oder
	Transistor-Transistor-Logik
TWAIN	Toolkit Without An Interesting Name
TWI	Two-wire Interface

U

UAA	Universal Audio Architecture
UAC	User Account Control
UART	Universal Asynchronous Receiver Transmitter
UAT	User Acceptance Test
UBE	Unsolicited Bulk Email
UC	Unified Communications
UCD	User Centered Design
UCE	Unsolicited Commercial E-Mail
UCP	Universal Computer Protocol
UCS	Universal Coded Character Set
UDDI	Universal Description, Discovery and Integration
UDF	Universal Disk Format
UDF	User Defined Function
UDMA	Ultra-Direct Memory Access
UDP	User Datagram Protocol oder
	Usenet Death Penalty
UEFI	Unified Extensible Firmware Interface
UFS	Unix File System
UHCI	Universal Host Controller Interface
UI	User Interface oder
	User Interaction
UID	User Identifier (siehe Benutzerkennung) oder
	User Interface Design
UMA	Uniform Memory Access oder
	Unified Memory Architecture oder
	Universal Multimedia Access
UMB	Upper Memory Block
UMDF	User-Mode Driver Framework
UML	Unified Modeling Language
UMTS	Universal Mobile Telecommunications System
UPnP	Universal Plug and Play
UPS	Uninterruptible Power Supply
URI	Uniform Resource Identifier
URL	Uniform Resource Locator
USB	Universal Serial Bus
USV	Unterbrechungsfreie Stromversorgung
UTF	Unicode Transformation Format
UTM	Unified threat management
UTP	Unshielded Twisted Pair
UUG	Unix User Group
UUID	Universally Unique Identifier
UWB	Ultra Wide Band
UXD	User Experience Design (siehe User Experience)
UXGA	Ultra Extended Graphics Array

V

VAFC	VESA Advanced Feature Connector
VB	Visual Basic – in den 2 Varianten Visual Basic Classic (steht für die VB-Versionen bis VB6) und Visual Basic .NET (mit der Abkürzung VB.NET)
VBA	Visual Basic for Applications
VBS	Visual Basic Script
VC	Visual Composer
VCD	Video-CD oder virtual channel descriptor
VCI	virtual channel identifier
VCS	Version Control System (Versionsverwaltung)
VDR	Video Disk Recorder (Festplattenrekorder)
VDSL	Very High Speed Digital Subscriber Line (Variante von DSL)
VESA	Video Electronics Standards Association
VFAT	Virtual FAT
VFC	VESA Feature Connector
VFS	Virtual Filesystem Switch
VGA	Video Graphics Array
VHDL	Very High Speed Integrated Circuit Hardware Description Language
VLAN	Virtual Local Area Network
VLB	VESA Local Bus
VLIW	Very Long Instruction Word
VLSI	Very Large Scale Integration
VM	Virtuelle Maschine
VMS	Virtual Memory System
VNC	Virtual Network Computing
VO	Virtual Organisation (im Grid-Computing)
VoIP	Voice over IP
VP	Visual Programming
VPI	Virtual Path Identifier
VPL	Visual Programming Language
VPN	Virtual Private Network
VR	Virtual Reality
VRAM	Video Random Access Memory
VRML	Virtual Reality Modeling Language
VRRP	Virtual Router Redundancy Protocol
VSAM	Virtual Storage Access Method (IBM-Großrechner)
VST	Virtual Studio Technology
VTAM	Virtual Terminal Access Method (IBM-Großrechner)
VTS	Virtual Tape Server
VXLAN	Virtual Extensible LAN

W

W2K	Windows 2000
W2Kx	Windows 2Kx (Windows 2003 = W2K3, Windows 2008 = W2K8)
W3C	World Wide Web Consortium
WAIS	Wide Area Information Servers
WAMP	Windows-Apache-MySQL-PHP oder
	Windows-Apache-MySQL-Perl
WAN	Wide Area Network
WAP	Wireless Application Protocol
WBEM	Web-Based Enterprise Management
WCS	Web Coverage Service
WDDX	Web Distributed Data Exchange
WDS	Wireless Distribution System
WEP	Wired Equivalent Privacy
WFS	Web Feature Service
WIDL	Web Interface Definition Language
WIMP	WIMP (Benutzerschnittstelle) für Windows, Icons, Menus, Pointing device
WINE	Wine Is Not an Emulator (rekursives Akronym)
WINS	Windows Internet Naming Service
WISP	Wireless Internet Service Provider
WLAN	Wireless Local Area Network (Kabelloses Lokales Netzwerk)
WLL	Wireless Local Loop
WMA	Windows Media Audio
WML	Wireless Markup Language
WMM	Wireless Multimedia
WMS	Web Map Service
WOL	Wake on LAN
WORM	Write Once Read Multiple
WPA	Wi-Fi Protected Access
WQVGA	Wide Quarter Video Graphics Array
WRS	Web Registry Service
WS-CDL	WS-Choreography Description Language
WSDL	Web Services Description Language
WSDM	WS-Distributed Management
WSH	Windows Scripting Host
WSRF	WS-Resource Framework
WSRM	WS-Reliable Messaging
WSUXGA	Wide Super Ultra Extended Graphics Adapter
WSVGA	Wide Super Video Graphics Array
WSXGA	Wide Super Extended Graphics Array
WTS	Windows Terminal Server (Terminalserver)
WUXGA	Wide Ultra Extended Graphics Array
WVGA	Wide Video Graphics Array
WWAN	Wireless Wide Area Network
WWW	World Wide Web
WXGA	Wide Extended Graphics Array
WYSISLWYG	What You See Is Sort-of Like What You Get (sprich: wiesel-wig) (deutsch: „Was Du siehst ist in etwa wie das, was du bekommst“), zynische Bezeichnung für WYSIWYG-Programme, die nicht halten, was sie versprechen
WYSIWYG	What You See Is What You Get (sprich: wi-zi-wig) (deutsch: „Was du siehst ist was du bekommst“). Bezeichnung für graphische HTML-Editor und Textverarbeitungsprogramme, bei denen das gedruckte Ergebnis genau so aussieht wie auf dem Bildschirm

X

X3D	Extensible 3D (VRML-Nachfolger)
XAML	eXtensible Application Markup Language
XAMPP	Extended Apache/MySQL/PHP/Perl
XGA	Extended Graphics Array
xHCI	Extensible Host Controller Interface
XHTML	Extensible Hypertext Markup Language
XI	Exchange Infrastructure (Seit SAP NetWeaver 7.0: PI – Process Integration)
XILP	XILP: Internet Links People
XML	Extensible Markup Language
XML-RPC	Extensible Markup Language Remote Procedure Call
XMPP	Extensible Messaging and Presence Protocol
XMS	Extended Memory Specification
XMSF	Extensible Modeling and Simulation Framework
XOG	XML Open Gateway
XrML	Extensible rights Markup Language
XSD	XML Schema Definition
XSL	Extensible Stylesheet Language
XSL-FO	Extensible Stylesheet Language – Formatting Objects
XSLT	XSL Transformation
XSS	Cross-Site-Scripting
XT	Extended Technology

Y

Y2K	Year 2 Kilo (Year 2000)
YAGNI	You Ain’t Gonna Need It
YaST	Yet another Setup Tool

Z

ZBR	Zone Bit Recording
ZFS	Zettabyte File System

Quelle: wikipedia.de

Liste: Abkürzungen in der IT (Informatik)

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

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Johannes Huber

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