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 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 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 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 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 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 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 CTL Complex Text Layout CTS Clear To Send 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 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 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 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 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 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 Eraseable 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 Timers 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 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 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 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 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 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 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 PEG PCI Express for Graphics Perl Practical Extraction and Report Language (Backronym) 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 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 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 UCD User Centered Design UCE Unsolicited Commercial E-Mail UEFI Unified Extensible Firmware Interface UC Unified Communications UCP Universal Computer Protocol UCS Universal 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 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 UTP Unshielded Twisted Pair 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 - 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(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 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-szi-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 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