You finally want to know what
all those shortenings all around the internet mean?
Well, here is a list with some of them with their meaning.
-N- ns : nano second (1E-9 sec) NSAPI : Netscape Server Application Development Interface NT : (Windows NT) New Technology NTFS : New Technologie File System -O- OCR : Optical Character Recognition ODBC : Open DataBase Connectivity OPU : Optical Pickup Unit OSI : Open System Interconnection -P- PAD : Packet Assembler Dissembler PABX : Private Automatic Branch eXchange PBM : Portable Bitmap Monochrome PC : Personal Computer PCI : Peripheral Component Internet local bus PDC : Primary Domain Controller PDF : Portable Document Format PGM : Portable GrayMap PIC : Programmable Interrupt Controller PIO : Parallel In/Out PLP : Packet Layer Protocol POP : Post Office Protocol PPM : Portable PixMap PPP : Point to Point Protocol PPTP : Point to Point Tunneling Protocol PROM : Programmable Read Only Memory -R- RAID : Redundant Array of Inexpensive Disks RAS : Row Address Strobe (memory) RAS : Remote Access Service (network) RIMM : Rambus Inline Memory Module RISC : Reduced Instruction Set Computer ROM : Read Only Memory RPC : Remote Procedure Call RPM : RedHat Package Manager RxD : Received Data -S- SCSI : Small Computer System Interface SDRAM : Synchronous Dynamic Random Accessible Memory SGRAM : Synchronous Graphics Random Accessible Memory SHTML : Served Parsed HyperText Mark-up Language SIMM : Single In-line Memory Module SIPP : Single Inline Pin Package SLI : ScanLine Interleaving SLIP : Serial Line Internet Protocol SMP : Symmetric MultiProcessing SMTP : Simple Mail Transfer Protocol SNMP : Simple Network Management Protocol SPS : Standby Power Supply SRAM : Static Random Accessible Memory SSI : Server Side Includes SSL : Secure Sockets Layer SVGA : Super Video Graphics Adapter STP : Shielded Twisted Pair -T- TAO : Track At Once TCP/IP : Transmission Control Protocol/Internet Protocol TGA : Truevision tarGA TIFF : Tagged Image File Format TOC : Table Of Contents TTL : Transistor Transistor Logic (chips) TTL : Time To Live (network) TxD : Transmitted Data -U- UART : Universal Asynchronous Receiver/Transmitter UPS : Uninteruptable Power Supply URL : Uniform Resource Locator USB : Universal Serial Bus UTP : Unshielded Twisted Pair -V- VESA : Video Electronics Standard Association VGA : Video Graphics Adapter or Video Graphics Array VLB : Vesa Local Bus VRML : Virtual Reality Modelling Language -W- W : Width W/ : With WADS : Wide Area Data Service WAIS : Wide Area Information Server/Service WAITS : Wide Area Information Transfer System WAN : Wide Area Network WATS : Wide Area Telecommunications Service .WAV : Waveform Audio (file name extension) WB : Water Ballast WC : Wire Center / Without Charge / Word Count WCB : Way Control Block [GEC] WCI : Write Controller Interface (IOM2 Monitor Command) WCPC : Wire Center Planning Center WCS : Writable Control Store [PERQ, and others] WDFHP : recursive high pass filter + decimation filter WDFLP : recursive low pass filter + decimation filter WDM : Wavelength Division Multiplex WDT : Watch Dog Timer WECo : Western Electric Company [AT&T manufacturing arm] WELL : Whole Earth Lectronic Link (BBS) WFW : Windows For Workgroups [Microsoft] WG : Working Group WGS : Work Group System WH : WarHammer WIP : Work In Progress WIS : WWMCCS Information System WISE : WordPerfect Information System Environment WITS : Washington Interagency Telecommunications System .WK1 : Worksheet (file name extension) [Lotus 1-2-3] [LDC] .WKB : Workbook (file name extension) [WordPerfect] .WKE : Worksheet (file name extension) [Lotus 1-2-3] [LDC] .WKQ : Spreadsheet (file name extension) [BORQU] .WKS : Worksheet (file name extension) [Lotus 1-2-3] [LDC] .WKZ : Compressed Spreadsheet (file name extension) [BORQU] WM : Work Manager .WMF : Windows Metafile (file name extension) [Microsoft] WMSCR : Weather Message Switching Center Replacement WNIC : Wide-Area Network Interface Co-Processor WNIM : Wide-Area Network Interface Module W/O : Without WORM : Write Once, Read Many WOSA : Windows Open Services Architecture [Microsoft] WP : WordPerfect [Corel] / Word Processing / Write Protected .WPG : WordPerfect Graphics (file name extension) [WordPerfect] WPHD : Write-Protect Hard Disk .WPK : Keyboard (file name extension) [WordPerfect] WPM : Words Per Minute .WPM : Macro (file name extension) [WordPerfect] WPS : Windows Printing System [Microsoft] / Workplace Shell [OS2] .WQ! : Compressed Spreadsheet (file name extension) [BORPQU] .WQ1 : Spreadsheet (file name extension) [BORPQU] WRAM : Windows Random Accessible Memory WS : WordStar / Workstation WSI : Wafer Scale Integration WT : Write Through WTO : Write-To-Operator WWMCCS : World-Wide Military Command and Control System WWW : World Wide Web WYSBYGI : What You See Before You Get It WYSIWIS : What You See Is What I See WYSIWYG : What You See Is What You Get -Y- X21 : CCITT recommendation for DCE-to-DTE interface X25 : CCITT recommendation for packet-mode DTE to packet-mode DCE X28 : CCITT recommendation for start/stop DTE to PAD X29 : CCITT recommendation for packet-mode DTE to PAD X3 : CCITT recommendation defining the PAD X3.9 : ANS Fortran standard X3.9:1966 = Fortran IV, X3.9:1978 = Fortran X3J3 : ANSI Fortran standard committee XA : Extended Architecture + Extended Attribute XA : eXtended Architecture as in MVS/XA XAD : Transmit Adress XAPIA : X.400 Application Program Interface Association XB : X-Bar XBM : eXtended Basic Mode [ICL] XBT : X-Bar Tandem XCF : eXperimental Computing Facility XCHG : Exchange XCMD : External Command XCOPY : Extended Copy XD : without Dividend XDR : eXternal Data Representation XENIX : Microsoft implementation of Unix XFCN : External Function XFE : X-Front End XFER : Transfer XFIFO : Transmit FIFO XGA : eXtended Graphics Array [IBM] XID : Exchange Identification (LAP-D Command/Response) XINU : XINU Is Not UNIX XIOS : Extended Input/Output System XL : eXtra Large XLAT : Translate XMIT : Transmit XMM : Extended Memory Manager [LIM/AST] XMS : Extended Memory Specification [LIM/AST] XMS : eXtended Multiprocessor operating System XMTR : transMiTteR (the X is for trans) XNS : Xerox Network System (protocol) [Xerox] XO : eXecutive Officer XOFF : ISO character DC3 ("control S") used to pause data transfer XON : ISO character DC1 ("control Q") used to restart data transfer XON/XOFF: a data transfer flow control software protocol on some computers XOR : eXclusive OR (logical function) XPL : Cross Reference Protocol Listing (PCT) XPORT : Transport XSECT : cross SECTion XSMD : Extended Storage Module Drive (interface) XTAB : survey analysis package XTAL : crysTAL (another version of x for crys, see XMTR) XTCLK : External Transmit Clock XUI : X-windows User Interface XXX : combination of X3/X28/X29 protocols -Y- YACC : Yet Another Compiler-Compiler [Unix] YAM : Yet Another Modem [Omen Technology] YB : YearBook YOB : Year Of Birth YP : Yellow Pages YRS : Ysgarth Rules System YST : Yukon Standard Time YT : Yukon Territory / Time YTD : Year To Date -Z- ZB : Zero Beat ZBR : Zone Bit Recording ZCAV : Zoned Constant Angular Velocity Z-CAV : Zoned Constant Angular Velocity ZCS : Zero Code Suppression ZDS : Zenith Data Systems ZETA : Zero Energy Thermonuclear Apparatus / Assembly ZGS : Zero Gradient Synchrotron ZI : Zonal Index ZIF : Zero-Insertion Force (socket) ZIP : Zigzag In-Line Package .ZIP : Compressed File (file name extension) [PKWare] ZMRI : Zinc Metals Research Institute .ZOO : Compressed File (file name extension) [Dhesi] ZPG : Zero Population Growth ZPRSN : Zurich Provisional Relative Sunspot Number ZSL : Zero Slot LAN ZST : Zone Standard Time ZT : Zone Time
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