Liste von Abkürzungen (Computer)

Dies ist eine Liste technischer Abkürzungen, die im IT-Bereich verwendet werden.

Siehe auch: Abkürzungen, Liste der Abkürzungen (Netzjargon), Netzjargon, Liste der Dateinamenserweiterungen

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
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
ADAPT	Application Design for Analytical Processing Technologies
ADB	Apple Desktop Bus
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
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)
AIFF	Audio Interchange File Format
AIM	AOL_Instant_Messenger
AIR	Adobe Intergrated Runtime
AIT	Advanced Intelligent Tape
AJAX	Asynchronous Javascript and XML
aka	also known as (bekannt auch unter dem Namen ...)
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
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
APM	Advanced Power Management
APOP	Authenticated Post Office Protocol
AR	Augmented Reality
ARM	Advanced RISC Machines Ltd.
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
AV	Anti-Virus
AVI	Audio Video Interleave

B

B	Bell Laboratories oder die Programmiersprache B (Vorgänger von C)
B2A	Business-To-Administration
B2B	Business-to-Business
B2C	Business-to-Consumer
BAM	Block Availability Map, siehe Dateisystem
BAPI	Business Application Programming Interface
BASIC	Beginner's All-purpose Symbolic Instruction Code (Programmiersprache, die Abkürzung ist eigentlich keine)
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)
BGP	Border Gateway Protocol
BiDi	Bidirectional Text Layout, siehe Bidirektionaler Text
BI	Business-Intelligence
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
BTX	Balanced Technology Extended oder Bildschirmtext

C

CAAD	Computer Aided Architectural Design (Computergestütztes architektonisches Planen und Entwerfen)
CAD	Computer Aided Design (Computerunterstütztes Design)
CAE	Computer Aided Engineering
CAM	Computer Aided Manufacturing
CAN	Controller Area Network oder Content Addressable Network
CAPI	Common ISDN Application Programming Interface
CARP	Common Address Redundancy Protocol
CAS	Computer-Algebra-System
CAT	Catalog Service
CAV	Constant Angular Velocity
CAVE	Cave Automatic Virtual Environment
CBO	Cost Based Optimizer, kostenbasierten Optimizer für Zugriffe auf Datenbanksätze
CC	Carbon Copy oder Creative Commons
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
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
CFML	ColdFusion Markup Language
CFSM	Communicating Finite State Machines
CGA	Color Graphics Adapter
CGI	Common Gateway Interface
CHAP	Challenge Handshake Authentication Protocol
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 Computing
CLDC	Connected Limited Device Configuration
CLI	Call Level Interface oder Command Line Interpreter oder Common Language Infrastructure
CLOB	Character Large Object
CLR	Common Language Runtime
CLTS	Connectionless Transport Service, ein verbindungsloser Service, beispielsweise UDP
CLV	Constant Linear Velocity
CM	Configuration Management oder 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
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 / Computer
CPUID	Central Processing Unit IDentifikation
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
CSA	Common-Scrambling-Algorithmus oder Connector, Switch, Attenuator theory
CSI	Common System Interface
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 Scrambling System
CSV	Character Separated Values, Comma Separated Values
CTL	Complex Text Layout
CUDA	Compute Unified Device Architecture
CUI	Character User Interface, Text-orientierte Benutzeroberfläche
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
DAV	Distributed Authoring and Versioning; siehe WebDAV
DBMS	Database management system
DBP	Database Publishing
DC	Domain Controller oder Domain Component
DCE	Data Communication Equipment oder Distributed Computing Environment
DCL	Data Control Language oder DIGITAL_Command_Language
DCO	Device Configuration Overlay (siehe ATA/ATAPI) oder Dynamic Code Obfuscation (eine Technik, mit der sich Malware vor Entdeckung schützt)
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
DDV	Datendirektverbindung
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
DL	Double Layer (Doppelt beschriebene/beschreibbare DVD)
DLL	Dynamic Link Library
DLM	Document Lifecycle Management
DLP	Digital Light Processing
DLR	Dynamic Language Runtime, siehe .Net
DMA	Direct Memory Access (dt. Direkter Speicherzugriff), Methode zur Umgehung der CPU bei Speicherzugriffen durch Peripheriegerät
DMCA	Digital Millennium Copyright Act
DMD	Digital Micromirror Device
DMI	Desktop Management Interface oder Direct Media Interface
DML	Data Manipulation Language
DMS	Document Management System
DMTF	Distributed Management Task Force
DMZ	Demilitarized Zone (Demilitarisierte Zone)
DNS	Domain Name System
DNSBL	DNS-based Blackhole List
DOM	Document Object Model
DOS	Disk Operating System oder (DoS): Denial of Service
dpi	Dots per Inch
DPA	Data Path Array
DPS	Desktop Purchasing System oder Data Protection System
DPU	Data Path Unit
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
DSSS	Direct Sequence Spread Spectrum
DSSSL	Document Style Semantics and Specification Language
DTD	Document Type Definition
DTE	Data Terminal Equipment
DTO	Data Transfer Object, ein Entwurfsmuster für J2EE-Projekte
DTP	Desktop Publishing
DUA	Directory User Agent
DUI	D graphical user interface
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
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	Extended 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 Eraseable 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
EISA	Extended Industry Standard Architecture
EIST	Enhanced Intel SpeedStep Technology
EJB	Enterprise Java Beans
EJBQL	EJB Query 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
EPROM	Eraseable Programmable Read Only Memory
EPS	Encapsulated PostScript
ESB	Enterprise Service Bus
ESCD	Enhanced System Configuration Data
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
FC	Fibre Channel
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 (s. a. Last In - First Out)
FLOP	Floating Point Operation, Gleitkommazahl-Operation
FLOPS	Floating Point Operations per Second
FPGA	Field Programmable Gate Array
FPLA	Field Programmable Logic Array
FPS	Frames per Second (Bilder pro Sekunde. Bildfrequenz)
FPU	Floating Point Unit (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
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
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	General Object Oriented System Environment
GPG	GNU Privacy Guard
GPL	GNU General Public License
GPRS	General Packet Radio Service
GPU	Graphics Processing Unit
GPX	GPS Exchange Format
GRE	Gecko Runtime Environment (siehe Gecko) oder Generic Routing Encapsulation Protocol
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
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
HIPPI	High Performance Parallel Interface
HMA	High Memory Area
HMD	Head-Mounted Display
HMI	Human Machine Interface, siehe Mensch-Maschine-Schnittstelle
HPC	High Performance Computing (Hochleistungsrechnen)
HPET	High Precision Event Timers
HPFS	High Performance File System
HSCSD	High Speed Circuit Switched Data
HSDPA	High Speed Downlink Packet Access
HSRP	Hot Standby Router Protocol
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
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 (deutsch „integrierter Grafikkern“)
IGMP	Internet Group Management Protocol
IGRP	Interior Gateway Routing Protocol
IIOP	Internet Inter-ORB Protocol
IIS	Microsoft Internet Information Server
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 Exchange)
IMQ	Intermediate Queuing Device
IMS	Information Management System (Datenbanksystem für IBM-Großrechner)
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
IPSec	Internet Protocol Security
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	Informationstechnologie / Information Technology
ITIL	IT Infrastructure Library
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
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 (namensgebendes Komitee für die JPEG-Norm)
JRE	Java Runtime Environment
JSF	JavaServer Faces
JSP	JavaServer Pages
JSR	Java Specification Request
JVM	Java Virtual Machine

K

KDE	K Desktop Environment
KI	Künstliche Intelligenz
KM	Konfigurationsmanagement oder Knowledge Management
KML	Keyhole Markup Language
KVM	Keyboard - Video - Mouse

L

L10N	Localization
L2TP	Layer 2 Tunneling Protocol
LAMP	Linux-Apache-MySQL-PHP (auch Perl oder Python)
LAN	Local Area Network
Laser	Light Amplification by Stimulated Emission of Radiation
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
LDU	Logical Data Unit
LED	Light Emitting Diode
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
LTE	Long Term Evolution
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
MAPI	Messaging Application Programming Interface
MAN	Metropolitan Area Network
MAU	Multistation Access Unit
MBR	Master Boot Record
MCA	Micro Channel Architecture
MCF	Meta Content Framework
MCH	Memory Controller Hub
MCP	Master Control Program (Betriebssystem von Burroughs) oder Media Communications Processor (von NVIDIA entwickelter Prozessor)
mCRM	Mobile Customer Relationship Management
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
MHP	Multimedia Home Platform
MIDI	Musical Instrument Digital Interface
MIDS	Multifunctional Information Distribution System
MII	Media Independent Interface
MIMD	Multiple-Instruction Multiple-Data
MIME	Multipurpose Internet Mail Extensions
MIPS	Million Instructions per Second oder Microprocessor without interlocked pipeline stages
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
MOD	Magneto Optical Disk
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
MRAM	Magnetic Random Access Memory
MRCP	Media Resource Control Protocol
MRU	Maximum Receive Unit (Konfigurationsoption des Link Control Protocol im Rahmen des Point-to-Point Protocols) oder Most Recently Used
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
MZR	Multiple Zone Recording

N

NAC	Network Access Control
NAL	Network Abstraction Layer
NAS	Network Attached Storage
NAT	Network Address Translation
NBD	Network Block Device
NCQ	Native Command Queuing
NDS	Novell Directory Services
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
NUMA	Non-Uniform Memory Access
NVE	Networked Virtual Environment
NVRAM	Non Volatile Random Access Memory

O

OASIS	Organization for the Advancement of Structured Information Standards
OCI	Open Catalog Interface
OCR	Optical Character Recognition
OCSP	Online Certificate Status Protocol
ODBC	Open DataBase Connectivity
ODMC	On Demand Clock Modulation
ODMG	Object Database Management Group
OEM	Original Equipment Manufacturer
OFDM	Orthogonal Frequency Division Multiplexing
OGC	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

P2P	Peer-to-Peer
PADI	PPPoE Active Discovery Initiation
PAG	Program Analysis Generator
PAL	Programmable Array Logic oder Phase Alternating Line
PAM	Pluggable Authentication Module
PAN	Personal Area Network
PAP	Password Authentication Protocol
PATMOS	Power And Timing Modelling, Optimization and Simulation
PBCC	Packet Binary Convolution Coding
PC	Personal Computer oder Program Counter
PCA	Programmable Counter Array
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
PEG	PCI Express for Graphics
Perl	Practical Extraction and Report Language (Backronym)
PGA	Pin Grid Array
PHP	PHP: Hypertext Preprocessor (rekursives Akronym)
PIA	Peripheral Interface Adapter
PIC	Programmable Interrupt Controller
PID	Personally-Identifiable Data
PIO	Programmed Input/Output
PKI	Public Key Infrastructure
PLA	Programmable Logic Array
PL/I	Programming Language One
PMF	Pointer to Member Function (Datentyp der Programmiersprache C++)
PMU	Power Management Unit
PLM	Product Lifecycle Management
PNG	Portable Network Graphics
PnP	Plug and Play
PoE	Power over Ethernet
POF	Polymere optische Faser
POJO	Plain Old Java Object
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
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
RAM	Random Access Memory
RAR	Resource Adapter, ausprogrammierte J2EE-Interfaces, mit denen Enterprise-Information-Systeme angebunden werden
RARP	Reverse Address Resolution Protocol
RAS	Remote Access Service
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
RFID	Radio Frequency Identification
RGB	Red Green Blue (Rot Grün Blau)
RIA	Rich Internet Application
RIMM	Rambus In-Line Memory Modul
RIP	Routing Information Protocol oder Raster Image Process
RISC	Reduced Instruction Set Computing
RLE	Run-length encoding
RLL	Run Length Limited
RMI	Remote Method Invocation
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)
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
RTTI	Runtime Type Information

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
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
SCP	Secure Copy Protocol
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
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
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
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
SLP	Service Location Protocol
SLR	Scalable Linear Recording
SMAP	Simple Mail Access Protocol
SMART	Self-Monitoring, Analysis and Reporting Technology (Festplattenüberwachungstechnologie)
SMASH	Systems Management Architecture for Server Hardware
SMB	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
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, Start of Authority (DNS)
SOAP	Simple Object Access Protocol
SOX	Sarbanes-Oxley Act
S/P-DIF	Sony/Philips Digital Interface
SPEC	Standard Performance Evaluation Corporation
SPEWS	Spam Prevention Early Warning System
SPF	Sender Policy Framework
SPI	Serial Peripheral Interface
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
SS	Single-Sided (Diskette oder Speichermodul)
SSD	Solid State Disk
SSE2	Streaming SIMD Extensions 2
SSH	Secure Shell
SSI	Server Side Includes
SSID	Service Set Identifier
SSL	Secure Sockets Layer oder Syntax/Semantic Language
SSO	Single Sign On
STFW	Search the fucking web
STUN	Simple traversal of UDP over NATs
SUXGA	Super Ultra Extended Graphics Array
SVCD	Super Video Compact Disc
SVDRP	Simple Video Disc 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
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, auch Tramiel Operating System, das 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
TSC	Time Stamp Counter (Zeit-Quelle in IA-32-Prozessoren)
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
UART	Universal Asynchronous Receiver Transmitter
UBE	Unsolicited Bulk Email
UCD	User Centered Design
UCE	Unsolicited Commercial E-Mail
UCP	Universal Computer Protocol
UDDI	Universal Description, Discovery and Integration
UDF	Universal Disk Format
UDMA	Ultra-Direct Memory Access
UDP	User Datagram Protocol oder Usenet Death Penalty
UFS	Unix File System
UHCI	Universal Host Controller Interface
UI	User Interface oder User Interaction
UID	User identifier 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
UUG	Unix User Group
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
VBA	Visual Basic for Applications
VBS	Visual Basic Script
VCD	Video-CD oder virtual channel descriptor
VCI	virtual channel identifier
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
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
VRAM	Video Random Access Memory
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

W

W3C	World Wide Web Consortium
WAIS	Wide Area Information Servers
WAMP(P)	Windows-Apache-MySQL-PHP(-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
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
WRS	Web Registry Service
WSDL	Web Services Description Language
WSH	Windows Scripting Host
WSUXGA	Wide Super Ultra Extended Graphics Adapter
WSVGA	Wide Super Video Graphics Array
WSXGA	Wide Super Extended Graphics Array
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: wei-szi-wig) (deutsch: "Was du siehst ist was du bekommst"). Bezeichnung für graphische Editoren und Textverarbeitungsprogramme, bei denen das gedruckte Ergebnis genau so aussieht wie auf dem Bildschirm

X

XAML	eXtensible Application Markup Language
XAMPP	Extended Apache/MySQL/PHP/Perl (Webserverkomplettpaket)
XGA	Extended Graphics Array
XHTML	Extensible Hypertext Markup Language (HTML-Nachfolger)
XILP	XILP: Internet Links People (rekursives Akronym)
XML	Extensible Markup Language, dt. erweiterbare "Beschreibungssprache" (wird so nicht verwendet)
XML-RPC	Extensible Markup Language Remote Procedure Call (Protokoll für verteilte Anwendungen)
XMPP	Extensible Messaging and Presence Protocol
XMS	Extended Memory Specification
XMSF	Extensible Modeling and Simulation Framework
XOG	XML Open Gateway, Standardisierter Austausch von Prozessinformationen zwischen Workflow-Systemen
XrML	Extensible rights Markup Language
XSD	XML Schema Definition
XSL	Extensible Stylesheet Language
XSL-FO	Extensible Stylesheet Language - Formatting Objects
XSLT	XSL Transformation
XT	Extended Technology (IBM-PC-Variante), bezeichnet auch dessen Gehäuse-Bauform

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

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