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Glossary of Computer Terms (5C) ****************************
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*********************** Updated:05/16/2008 Copyright © 1996-2008 Management Systems Consulting, Inc. |
S...|TOP | UP to R | DN to T | BOTTOM |SA Selective Availability
SAA Systems Application Architecture [IBM]
SABRE Semi-Automatic Business Research Environment
SAC Single Attachment Concentrator
SACD Super Audio Compact Disk
SACL System Access Control List
SADL Synchronous Data Link Control [Racal-Vadic]
SAINT * Symbolic Automatic Integrator
SAL Shift Arithmetic Left + Spatial Aggregation Language +
Systen Abstraction Layer
SALT Speech Application Language Tags
SAM Serial Access Memory + Sequential Access Method +
Security Accounts Manager [Microsoft] +
Single Application Mode [Microsoft]
SAMI Synchronized Accessible Media Interchange
SAML Security Assertion Markup Language
SAN Storage/System Area Network
SANE Standard Apple Numeric Environment
SAP Second Audio Program + Service Access Point [DEC] +
Session Announcement Protocol +
Service Advertising Protocol +
* Symbolic Assembly Program +
Systems, Applications and Products (company) [SAP]
SAPI Speech Application Program Interface [Microsoft]
SAR Segmentation and Reassembly +
Shift Arithmetic Right + Specific Absorption Rate
Successive Approximation Register +
Synthetic Aperature Radar
SARG Search Argument
SARS Severe Acute Respiratory Syndrome (virus)
SAS Sales Accounting System + Serial Attached SCSI +
Single Attached Station + Single Audio System +
Statistical Analysis System
SASI Shugart Associates System Interface (SCSI originated
from SASI)
SATA Serial Advanced Technology Attachment
SATAN Security Administrator Tool for Analyzing Networks
.SAV Saved (file name extension)
SAVDM Single Application VDM
SAX Simple API for XML
SB Sound Blaster [Creative Labs] + Sound Board
SBA Scene Balance Algorithms [Kodak] +
Service Based Architecture
SBAS Satellite Based Augmentation System
SBB Subtract With Borrow
SBC Single-Board Computer
SBCS Single-Byte Character Set
SBI Sound Blaster Instrument
.SBR Source Browser (file name extension) [Borland]
SBS Small Business Server +
Smart Battery Specification [Duracell/Intel]
.SC Script (file name extension)
SCA Scalable Computing Architecture [HP]
SCADA Supervisory Control and Data Acquisition
SCAM SCSI Configuration Automatically
SCAS Scan String
SCB Subsystem Control Block [IBM]
SCC Serial Communications Controllers +
Serial Controller Chip +
Synchronous Channel Check [IBM]
SCCP Simple Conference Control Protocol
SCCS Source Code Control System
SCD Standard Color Display
S-CDMA Synchronous Code-Division Multiple Access
SCF System Control Facility
SCI Scalable Coherent Interface +
Serial Communications Interface
SCI. Science [USENET Newsgroup Category]
SCIL Serial Control Interface Logic
SCLM Software Configuration and Library Management [IBM]
SCM Service Control Manager + ScreenCam Format [Lotus] +
Software Configuration Management + Station Class Mark +
Supply Chain Management
SCO Santa Cruz Operation (Software Company) +
Synchronous Connection-Oriented (link)
SCOPE Simple Communications Programming Environment
[Hayes]
SCP Save Cursor Position + Subsystem Control Port +
System Control Program
SCR Silicon Controlled Rectifier
.SCR Script (file name extension)
SCRAM Software Configuration, Release and Management
SCRAMJET Supersonic Combustion Ramjet (engine)
SCRN Screen (video display)
SCRS Scalable Cluster of RISC Systems
SCSA Signal Computing System Architecture [Dialogic]
SCSI Small Computer Systems Interface
SCTP Stream Control Transmission Protocol
SD Send Data + Super Density
SDA Software Delivery Agent [IBM] + Software Disk Array +
Source Data Automation + System Display Architecture [Digital]
SDAM Single DOS Application Mode
SDB Symbolic Debugger [Unix]
SDD Software Description Database [Internet] +
Subscriber Data Document +
System Distribution Directory
SDF Space Delimited File + Space Delimited Format
.SDF Standard Data Format (file name extension)
SDH Synchronous Digital Hierarchy
SDI Selective Dissemination of Information +
Single Document Interface
Software Development Interface [Mosaic]
SDK Software Development Kit [Microsoft]
SDL Specification and Description Language
SDLC Synchronous Data Link Control (protocol)
SDLT Super Digital Linear Tape
SDM System Development Multitasking
SDMI Secure Digital Music Initiative/Interface
SDMMC Secure Digital Multi Media Card
SDMS SCSI Device Management System [NCR]
SDN Software Defined Network [AT&T]
SDNS Secure Data Network Service
SDR Streaming Data Request
SDRAM Synchronous DRAM
SD-ROM Super Density ROM
SDS Sysops Distribution System
SDSL (See DSL)
SDSM Super Digital Sound Management
SD_STB Streaming Data Strobe [IBM]
SDTV Standard Definition Television
SDV Switched Digital Video [AT&T]
SDX Storage Data Acceleration
SDXF Structured Data Exchange Format
SEA Standard Extended Attribute [OS/2]
.SEA Self Extracting Archive (file name extension) [Macintosh]
SEAC * Name of first computer to use transistors, built by
(National Bureau of) Standards Eastern Automatic
Calculator (Also see SWAC)
SEAL Segmentation and Reassembly Layer (protocol) +
Screening External Access Link [Digital-DEC]
SEC Single Error Correction
SECAM Sequentiel Couleur Avec Memoire
(Sequential Color With Memory)
SECC Single Edge Contact Cartridge
SED Stream Editor + Stream-Oriented Editor
SEG Segment
SEH Structured Exception Handling
SEL Select
SEM Scanning Electron Microscope +
Standard Electronic Module +
Strategic Enterprise Management [SAP]
SEO Search Engine Optimization
SEPP Secure Encryption Payment Protocol
SER Serial
SERCOS Serial Real-Time Communications System
SERPS Search Engine Results Page [Google]
SET Secure Electronic Transaction +
Softwave Engineering Technology
.SET Driver Set (file name extension) [Lotus 1-2-3] [LDC] +
Image Settings (file name extension) [Paradox]
SETEXT Structure Enhanced Text [Internet]
SEU Single Event Upset + Smallest Executable Unit
SF Sign Flag
SFC System File Checker
SFD Start Frame Delimiter
SFDR Spurious-Free Dynamic Range
SFI Software Fault Isolation
SFN Short File Name
SFQL Structured Full-text Query Language
SFS System File Server
SFT System Fault Tolerance
SFX Self Extracting + Sound Effect(s)
SGA Shared Global Area
SGCP Simple Gateway Control Protocol
SGEN Signal Generator + System Generator
SGDT Store Global Descriptor Table
SGI Silicon Graphics, Inc.
SGM Shaded Graphics Modeling
SGML Standard/Structured Generalized Markup Language
SGR Set Graphics Rendition
SGRAM Synchronous Graphics RAM
S/H Sample and Hold
SHA Secure Hash Algorithm [NSA]
SHAR Shell Archive
SHED Segmented Hypergraphic Editor
SHG Segmented Hypergraphics
SHL Shift Logical Left
SHOE Simple HTML Ontology Extension
SHR Shift Logical Right
SHTML Server-Side Include HyperText Markup Language
S-HTTP Secure Hypertext Transfer Protocol
SHV Standard High-Volume
.SHW Show (file name extension)
SI Shift-In + Source Index + System Information +
System Integration
SIC Standard Industrial Code
SID Security Identifier + Serial Input Data +
Station Identification [AT&T] +
Symbolic Interactive Debugger + System ID
SIDF System Independent Data Format
SIDH System Identification for Home Systems
SIDT Store Interrupt Descriptor Table
SIF Standard Input Format
SIFT Stanford Information Filtering Tool
SIG Special Interest Group
SIGCAT Special Interest Group on CD-ROM Applications
and Technology
SIM Simulator + Subscriber Identity Module
SIMCARD Subscriber Identity Module Card
SIMD Single Instruction, Multiple Data-stream (processor)
SIMM Single In-line Memory Module
SIMTEL Simulation and Teleprocessing
SIMULA Simulation (language)
SIO Serial Input/Output (communications driver)
SIP Session Initiation Protocol + Single In-line Package
SIPC Simply Interactive Personal Computer [Microsoft]
SIPO Serial In, Parallel Out
SIPP Single In-line Pin Package
SIR Serial Infrared [Hewlett-Packard]
SIRDS Single-Image Random Dot Stereogram
SIS Single-Image Stereogram
SISL System Interrupt Steering Logic
SISNET Signal In Space Through The Internet
SI/SO Serial In/Serial Out + Shift In/Shift Out
SIT Special Information Tones
.SIT Stuff-It (compressed file name extension) [Macintosh]
SIU System Interface Unit
SIV System Integrity Verifier
SKIP Simple Key-Management for Internet Protocols [Sun]
SKU# Stock Keeping Unit Number
SLA Service Level Agreement
SLB Static Load Balancing
SLC Subscriber Line Concentrator
SLD Second-Level Domain (name)
SLDT Store Local Descriptor Table
SLED Single Large Expensive Disk
SLI Session Level Interface
SLIC System Level Integration Circuit +
System Licensed Internal Code [IBM]
SLIM Structured Language for Internet Markup
SLIP Serial Line Interface Protocol
SLM Spatial Light Modulator
SLMR Silly Little Mail Reader
SLOSH Sea, Lake and Overland Surge from Hurricane (program)
SLOT Scanned Laser Output Terminal
SLP Service Location Protocol
SLR Single Lens Reflex
SLSI Super Large-Scale Integration
SLSS Systems Library Subscription Service [IBM]
SLU Secondary Logical Unit + Spoken Language Understanding
SM Set Mode + Shared Memory
SMA Software Migration Assistant [IBM]
SMART Self-Monitoring Analysis and Reporting Technology
SMB Server Message Block (protocol) [MII]
SMD Surface Mounted Device
SMDR Station Message Detail Recording
SMDS Switched Multimedia/Multi-Megabit Data Service
SMF Single Mode Fiber + System Manager Facility [Compaq]
SMI System Management Interrupt [Intel]
SMIF Standard Mechanical Interface
SMIL Synchronized Multimedia Integration Language
S-MIME Secure MIME
SMIT System Management Interface Tool [IBM]
SMK Software Migration Kit [Microsoft]
SML Standard Meta Language
SMM System Management Mode [Intel]
SMOBC Solder Mask Over Bare Copper
SMP Simple Management Protocol + Symbolic Manipulation
Program + Symmetrical Multi-Processing +
Symmetric Multiprocessor
.SMP Sample (file name extension)
SMPC Shared Memory Parallel Computer
SMPS Switching Mode Power Supply
SMRAM System Management Random Access Memory
SMS Short Message Service [Sprint] +
Short Messaging System +
Storage Management Services [NetWare] +
Storage Management Subsystem/System +
Systems Management Server [Microsoft]
SMSW Store Machine Status Word
SMT Station Management (protocol) +
Surface-Mount Technology
SMTP Simple Mail Transfer Protocol
SMU System Management Utility
SN Serial Number
S/N Signal-to-Noise (Ratio)
SNA Systems Network Architecture [IBM]
SNAP Sub-Network Access Protocol +
Sub-Network Attachment Point
SNAPI Structured N-Dimensional Application Program
Interface [Oracle]
SND Sound
SNEWS Secure News Server [Internet]
SNMP Simple Network Management Protocol
SNOBOL String Oriented Symbolic Language (Programming Language)
SNP Serial Number/Password [Omen Technology]
SNR Signal-to-Noise Ratio
SNRM Set Normal Response Mode
SOA Service-Oriented Architecture + Start Of Authority
SOAP Simple Object Access Protocol
SOC System On a Chip
SOC. Social Issues [USENET Newsgroup Category]
SOCKS Socket Secure (server) [Internet]
SO-DIMM Small Outline DIMM
SOE Standard Operating Environment
SOH Start of Header
SOHO Small Office/Home Office
SOI Silicon-On-Insulator [IBM]
SOIC Small Outline Integrated Circuit
SOJ Small-Outline J-Lead
SOL Simulation Oriented Language
SOM Start of Message + System Object Model [IBM]
SONAR Sound Navigation and Ranging
SONET Synchronous Optical Network
SOP Small Outline Package + Standard Operating Procedures
SOS Silicon On Sapphire + Sophisticated Operating System +
Standards and Open Systems
SOTA State Of The Art
SOX Sound Exchange
SP Service Pack [IBM] + Stack Pointer + System Product
SPA Secure Password Authentication [Microsoft] +
Software Publishers Association
SPAN Space Physics Analysis Network
SPAP Shiva Password Authentification Protocol
SPARC Scalable Processor Architecture +
Sun's Palo Alto Research Center
SPC Small Peripheral Controller + Statistical Process Control
SPCL Spectrum Cellular Corporation
SPCS Stored Program Controlled Switch
SPD Serial Presence Detect
SPE Synergistic Processing Element
SPEC Systems Performance Evaluation Cooperative
SPF Sender Policy Framework + Shortest Path First +
System Programming Facility
SPGA Staggered Pin-Grid Array
SPI Security Parameters Index + Service Provider Interface +
SCSI Parallel Interface + Stateful Packet Inspection
.SPI Spool (file name extension)
SPID Service Profile/Provider Identifier
SPIKE Science Planning Intelligent Knowledge-Based
Environment [STScI]
SPIRES Stanford Public Information Retrieval System
[Stanford University]
SPKI Simple Public Key Infrastructure
SPL Spooler + System Programming Language [HP]
.SPL Spell Checker (file name extension)
SPLD Simple Programmable Logic Device
SPM System Performance Monitor [IBM]
SPOOL Simultaneous Peripheral Operations On Line
SPOT Shared Product Object Tree [IBM] +
Smart Personal Object Technology [Microsoft]
SPP Sequenced Packet Protocol + Standard Printer Port
SPPS Scalable Power Parallel System [IBM]
SPR Special Purpose Register +
Statistical Pattern Recognition +
Symmetrical Phase Recording
SPREAD * Systems Programming, Research, Engineering
and Development [IBM]
SPS Secure Packet Shield + Shock Protection System +
Standby Power System
SPSS Statistical Package for the Social Sciences
SPT Sectors Per Track
SPX Sequenced Packet Exchange [Novell]
SQ Squeezed (files)
SQE Signal Quality Error (test)
SQL/DS Structured Query Language/Data System [IBM]
SQOS Secure Quality Of Service
SQRT Square Root
SR Shift Register
SRAM Shadow Random Access Memory +
Static Random Access Memory
SRAPI Speech Recognition API
SRB Source-Route Bridge
SRC System Resource Controller
.SRC Source (file name extension)
SRD Screen Reader System
SRDRAM Self-Refreshed DRAM
SRGB Sustained RGB (values)
SRGS Speech Recognition Grammar Specification [W3C]
SRM Security Reference Monitor
SRO Sharable and Read Only
SRP Suggested Retail Price
.SRP Script (file name extension)
SRPI Server-Requester Programming Interface
SRQ Service Request
SRR Serially Reusable Resource
SRS Sound Retrieval System
SS Stack Segment + Single Sided + Seconds
SS7 Signaling System 7 [Bellcore]
SSA Serial Storage Architecture
SSAD Structured System Analysis and Design
SSAP Source Service Access Point
SSCP Systems Service Control Point [IBM]
SSD Solid State Disk
SSEC * Selective Sequence Electronic Calculator [IBM]
SSGA System Support Gate Array
SSH Secure Shell (protocol)
SSI Server Side Includes + Single System Image +
Small Scale Integration
SSL Secure Socket Layer
SSMA Spread Spectrum Multiple Access
SSML Speech Synthesis Markup Language [W3C]
SSO Single Sign On
SSPI Security Service Provider Interface [Microsoft]
SSR Secure Socket Relay
SSRP Simple Server Redundancy Protocol [Cisco]
SST Spread-Spectrum Technology +
Systems Services and Technology
STA Spanning Tree Algorithm
STAR Self Defining Text Archival
STAX (StAX) Streaming API for XML
STB Strobe
STC Set Carry Flag
STD Set Direction Flag + Standard
STDA StreetTalk Directory Assistance [Banyan]
STDAUX Standard Auxilary
STDERR Standard Error
STDIN Standard Input
STDIO.H Standard Input/Output Header [C Programming Language]
STDM Statistical Time Division Multiplexer
STDOUT Standard Output
STDPRN Standard Printer
STEP Standard for Exchange of Product
.STF Structured File (file name extension) [Lotus Agenda]
STI Set Interrupt Flag
S/TK Sectors Per Track
STL Standard Template Library
STM Scanning Tunneling Microscope
STN Super-Twist Nematic
.STORE Businesses Offering Goods (Domain Name) [Internet]
STOS Store String
STP Secure Transfer Protocol + Shielded Twisted Pair (cable) +
Signal Transfer Point +
Synchronized Transaction Processing
STR Store Task Register + Synchronous Transmitter Receiver
STRESS Structural Engineering System Solver (Programming
Language)
STRUDL Structural Design Language (Programming Language)
STScI Space Telescope Science Institute
STT Secure Transaction Technology [Microsoft]
STX Start of Text
.STY Style (file name extension) [Ventura, Word, WordPerfect]
SUB Subroutine + Substitute + Subtract
SUN Sun Microsystems, Inc.
.SUP Supplemental Dictionary (file name extension)
[WordPerfect]
SVC Switched Virtual Circuit
SVCD Super Video Compact Disk
SVF Simple Vector Format
SVG Scalable Vector Graphics
SVGA Super Video Graphics Array
S-VHS Super VHS
SVM System Virtual Machine [Microsoft] +
System Volume Mangement
SVN Switched Virtual Network [IBM]
SVR Server
SVR# System V Release Number [AT&T]
SVTC Secure Videoteleconference
S/W Software
SWAC * Mobile version of SEAC, built for deployment to White
Sands, and named Standards Western Automatic Calculator
SWAIS Simple Wide Area Information Server [Internet]
SWAP Shared Wireless Access Protocol
SWIG Simplified Wrapper and Interface Generator
SWISH Simple Web Indexing System for Humans
SWP Simple Web Printing
.SWP Swap (file name extension)
SXRD Silicon Crystal Reflective Display
.SYL Syllabus (file name extension)
SYLK Symbolic Link
.SYM Symbols (file name extension)
SYMPL Systems Programming Language
.SYN Synonym (file name extension)
SYNC Synchronous
SYS System
.SYS System Configuration (file name extension) +
System Device Driver (file name extension)
SYSADMIN System Administrator
SYSGEN System Generator
SYSLOG System Log
SYSMOD System Modification
SYSOP System Operator
SYSREQ System Request
SZ Send ZModem [Unix]
T...|TOP | UP to S | DN to U | BOTTOM |TAB Tape Automated Bonding
TAC Title, Author, Copyright
TACS Total Access Communication System
TAD Telephone Answering Device
TAG Technical Advisory Group
TAL Typed Assembly Language
TALOSS Three-Dimensional Advanced Localization
Observation Submarine Software
TAO Track At Once
TAP Telelocator Alphanumeric Protocol
TAPCIS The Access Program for the CompuServe
Information Service
TAPI Telephony Applications Programming Interface
.tar Tape Archive (archived file name extension) [Unix]
.tar.Z Compressed Archived files (file name extension) [Unix]
TAS Telephone Access Server + Total Access System
TASM Turbo Assembler [Borland]
TAXI Transparent Asynchronous Transceiver/Receiver Interface
TB Terabyte (1,024 gigabytes)
(One Thousand Billion characters of information)
T/B Top and Bottom
TBBS The Bread Board System (BBS)
TBGA Tape Ball Grid Array
.TBK Toolbook (file name extension)
TBS Time-Based Sampling
TBU Tape Backup Unit
TC Test Control + Transmission Control
TCL Tool Command Language
TCM Trellis-Coded Modulation
TCO Total Cost of Ownership
TCP Tape-Carrier Package
TCPA Trusted Computing Platform Alliance [Intel]
TCP/IP Transmission Control Protocol/Internet Protocol
TCT Terminal Control Table
TD Transmit Data
.TDA To Do Archive (file name extension) [Palm]
TDC Tabular Data Control
TDD Telecommunications Device for the Deaf +
Test Driven Development
TDtoDP Tablet Coordinates to Display Coordinates
(converting)
TDE Terminal Display Editor
.TDF Trace Definition File (file name extension) [OS/2] +
Typeface Definition File (file name extension)
TDI Transport Device Interface
TDM Technical Document Management +
Time Division Multiplexing
TDMA Time Division Multiple Access
TDMS Terminal Display Management System
TDP Tag Distribution Protocol [Cisco] +
Telelocator Data Protocol
TDSR Transmitter Data Service Request
TDR Time Domain Reflectometry
TE/2 Terminal Emulator/2 [Oberon]
TEB Thread Environment Block
TEC Tokyo Electronics Corporation
TED Technology, Entertainment and Design +
Tiny Editor + Transient Electromagnetic Device
TEI Terminal Endpoint Identifier
TELCO Telephone Company
TEML Turbo Editor Macro Language [Borland]
TEMP Temporary
TER Thermal Eclipse Reading [Sony]
TERMPWR Terminator Power
TFDD Text File Device Driver
TFEL Thin-Film Electroluminescent
.TFM Tagged Font Metric (file name extension)
TFT Thin-Film Transistor (screens)
TFTP Trivial File Transfer Protocol
.TGA Taga Bitmap (file name extension)
THD Total Harmonic Distortion
.THD Thread (file name extension)
THINNET Thin Ethernet
THOMAS The (U.S.) House (of Representatives) Open Multimedia
Access System
THOR Tandy High-Performance Optical Recording
THR Transmit Holding Register
.THS Thesaurus (file name extension)
TI Texas Instruments, Inc.
TIA Telecommunications Industry Association +
The Internet Adapter [Internet]
TIB Tag Information Base
TID Target ID
TIES Time Independent Escape Sequence
.TIF Tagged Image File (filename extension)
TIFF Tagged Image File Format
TIGA Texas Instruments Graphics Architecture
TIGER Topologically Integrated Geographic Encoding
and Referencing
TIIAP Telecommunications and Information Infrastructure
Assistance Program [NII]
TIL Tech Info Library [Macintosh]
TIM Technical Information Memo [Compaq]
TIMEZONES - - - - - - - - - - - - - - - - - GMT Offsets
Offsets Eastward from GMT (+)
Offsets Westward from GMT (-)
AST - Atlantic Standard Time -4:00
AT - Azores Time -2:00
AHD - Alaska-Hawaii Daylight :::
AHS - Alaska-Hawaii Standard -10:00
BLT - Baghdad Local Time +3:00
BST - British Summer Time :::
CAT - Central Alaska Time -10:00
CCT - China Coast Time +8:00
CDT - Central Daylight Time :::
CET - Central European Time +1:00
CLT - Cairo Local Time +2:00
CST - Central Standard Time -6:00
EAD - East Australian Daylight :::
EAS - East Australian Standard +10:00
EDT - Eastern Daylight Time :::
EET - Eastern European Time +1:00
EMT - Eastern Mediterranean +2:00
EST - Eastern Standard Time -5:00
GMT - Greenwich Mean Time +0:00
HST - Hawaii Standard Time -10:00
JST - Japanese Standard Time +9:00
MDT - Mountain Daylight Time :::
MET - Middle European Time +1:00
MST - Mountain Standard Time -7:00
MTS - Moscow Time Standard +3:00
MTD - Moscow Time Daylight :::
NT - Nome Time -11:00
NZT - New Zealand Time +12:00
PDT - Pacific Daylight Time :::
PST - Pacific Standard Time -8:00
PST - Pakistan Standard Time +5:00
WAS - West Australian Standard +7:00
WAT - West Africa Time -1:00
WED - Western Europe Daylight :::
WES - Western Europe Standard +0:00
YDT - Yukon Daylight Time :::
YST - Yukon Standard Time -9:00
IDLE- International Date Line East +12:00
IDLW- International Date Line West -12:00
TIMI Technology Independent Machine Interface [IBM]
TIMS Text Information Management Systems
TINA Telecommunication Information Networking Architecture
TIP Terminal Interface Processor +
Transaction Internet Protocol
TITOFET Tunneling-In, Tunneling-Out Field Effect Transistor
TKIP Temporal Key Integrity Protocol
TK/TK Track to Track
TLA Three-Letter Acronym
TLB Translation Lookaside Buffer
.TLB Table (file name extension)
TLD Top Level Domain
TLI Transport Layer Interface
TLS Transport Layer Security
TLU Table Lookup
.TLX Telex (file name extension)
TM Trademark
TMDS Transition Minimized Differential Signaling
.TML Template (file name extension)
TMP Temporary
TMS Traffic Management System [BA]
TN Twisted Nematic
TNC Terminal Node Controller
TNEF Transport Neutral Encapsulation Format
TNO The Netherlands Organization
TOC Table Of Contents
TOD Time Of Day
TOF Tiny Open Firmware
TOP Technical and Office Protocol
TOS Terms Of Service
TPC Transaction-Processing Performance Council
TPF Transactions Processing Facility [IBM]
TPI Tracks Per Inch
TPL Table Producing Language +
Transaction Processing Language
TPM Transactions Per Minute
TPORT Twisted Pair Port Transceiver [AT&T]
TP-PMD Twisted Pair-Physical Medium Dependent (cable)
TPS Transactions Per Second +
Transaction Processing System
TPW Turbo Pascal for Windows
TQFP Thin Quad Flat Pack
TQM Total Quality Management
TR Terminal Ready
T/R Transmit/Receive
TRACERT Trace Route [Microsoft]
TRADIC * Transistorized Airborne Digital Computer
(Name of first computer to be entirely
transistorized)
.TRM Terminal (file name extension)
TRN Threaded Read News [Internet] + Token Ring Network
TRON The Real-Time Operating System Nucleus
TS Top Secret
TSA Target Service Agent + Technical Support Alliance +
Telephony Services Architecture
TSAPI Telephony Services Application Program
Interface [AT&T + Novell]
TSB Termination Status Block
TSD Type-Specific Driver
TSE The Semware Editor
TSID Transmitting Subscriber Identification [Microsoft]
TSN Transition Sequence Number
TSO Time Sharing Option
TSOP Thin Small-Outline Package
TSP Telephony Service Provider
TSR Terminate and Stay Resident
TSS Task State Segment + Time Sharing System
TS/SI Top Secret/Sensitive Information
.TST Test (file name extension)
TSTN Triple Supertwisted Nematic
TSV Tab Separated Values
TT Typewriter Text
TTA Transport-Triggered Architecture
TTCN Tree and Tabular Combined Notation
.TTF TrueType Font (file name extension)
TTL Transistor-Transistor Logic
TTP Thermal-Transfer Printing
TTS Text-To-Speech + Transaction Tracking System
TTY Teletype
TUCOWS The Ultimate Collection of Winsock Software
TUI Text-Based User Interface [WordPerfect]
TUMS Table Update and Management System [Stanford University]
.TUT Tutorial (file name extension)
TVF Table of contents Verbosely from File [UNIX]
TVFS Toronto Virtual File System [IBM]
TVI Television Interference
TVOL Television On-Line
TWAIN Technology Without Any Interesting Name
(connection between application and scanner software)
TWEAKUI Tweak User Interface
TWIP Twenty In Point (as in 20 twips/pixel) [Microsoft]
TWX Teletypewriter Exchange Service
TXD Transmit Data
.TXF Tax Exchange Format (file name extension)
TXT Text
TXT2STF Text To Structured File [Lotus Agenda]
TZ Time Zone [Unix]
U...|TOP | UP to T | DN to V | BOTTOM |UA User Agent + User Area
UAE Unrecoverable Application Error
UAM User Authentication Method
UART Universal Asynchronous Receiver/Transmitter
UAS User Application Software
UBE Unsolicited Bulk Email
UBR Unspecified Bit Rate
.UC2 Compressed File (file name extension) [UltraCompressor]
UCB Universal Content Broker
UCBE Unsolicited Commercial Bulk Email
UCE Unsolicited Commercial Email
UCL Universal Communications Language
UCS Unicode Conversion Support + Universal Character Set +
User Coordinate System
UCT Universal Coordinated Time
UDA Universal Data Access [Microsoft]
UDB Universal Data Base
UDC Universal Decimal Classification + User Defined Commands
UDD User Data Document
UDDI Universal Description, Discovery and Integration
UD-DVD Ultra-Definition Digital Video Disk
UDE Universal Data Exchange
UDEC * Universal Digital Electronic Computer [Burroughs]
UDF Universal Disk Format + User Defined Functions
UDG User Defined Gateway
UDMA Ultra Direct Memory Access
UDP User Datagram Protocol
UDT Uniform Data Transfer + User-Defined Type
UEMS Unsolicited Electronic Mail Solicitation
UFS Universal\Unix File System
UG User Group
UHCI Universal Host Controller Interface
UHF Ultra-High Frequency
UHL Universal Hypertext Link
UI Unix International + User Interface
UIC User Identification Code
UID User Identifier
UIMS User Interface Management System
UL Underwriters Laboratories +
Unordered List + Upload
ULA Uncommitted Logic Array
ULB Ultra Wideband
ULN Universal Link Negotiation
ULS Universal Licensing System
ULSI Ultra Large Scale Integration
UMA Unified Memory Architecture
UMB Upper Memory Block [LIM/AST]
UML Unified Modeling Language
UMS User Mode Scheduler
UMTS Universal Mobile Telecommunications System
UNC Universal Naming Convention +
Uuencoded Netnews Collator [Unix]
UNCOL Universal Computed Oriented Language
UNEP Unbundled Network Platform
UNI User-Network Interface
UNICOM Universal Integrated Communication (System)
UNICOS Universal Compiler FORTRAN compatible
UNII Unlicensed National Information Infrastructure
UNIVAC Universal Automatic Computer
UNIX (AT&T Bell Laboratories Operating System)
UNMA Unified Network Management Architecture
UNSPSC Universal Standard Products and Services Classification
UP Uniprocessor
UPC Universal Product/Program Code + User Parameter Control
UPG Upgrade
UPL User Program Language
UPM Unix Programmer's Manual +
User Profile Management [IBM]
UPNP (UPnP) Universal Plug and Play
UPS United Parcel Service (company) +
Uninterruptible Power Supply/System
URC Uniform Resource Characteristics +
Uniform Resource Citation
UREP Unix RSCS Emulation Protocol (protocol)
URI Uniform Resource Identifier
URL Uniform Resource Locator
URN Uniform Resource Name/Number
US Unit Separator
USART Universal Synchronous-Asynchronous Receiver/Transmitter
USB Universal Serial Bus [Intel]
US-CERT United States Computer Emergency Readiness Team
USENET User's Network [Internet]
USERID User Identification
USOC Universal Service Ordering Code
USQ Unsqueezed (files)
USR US Robotics (corporation)
USRT Universal Synchronous Receiver/Transmitter
USSA User Supported Software Association (United Kingdom)
UT User Terminal
UTC Coordinated Universal Time
UTF Unicode Transformation Format
UTI Universal Text Interchange/Interface
UTM Universal Transverse Mercator (grid)
UTP Unshielded Twisted-Pair (cable)
UU Uuencode/Uudecode
UUCP Unix-To-Unix Copy Protocol
UUD UUDecoding [Unix]
UUDECODE Unix-To-Unix Decoding
UUE UUEncoding [Unix]
UUENCODE Unix-To-Unix Encoding
UUI User-To-User Information [AT&T]
UUID Universal Unique Identifier
UV Ultraviolet
UWB Ultra-Wide Band
UWR Ultra Wideband Radio
UXGA Ultra Extended Graphics Array
V...|TOP | UP to U | DN to W | BOTTOM |VA Virtual Address + Visual Age [IBM]
VAD Value Added Dealer
VADD Value Added Disk Driver
VADSL (See DSL)
VAI Video As Input
VAL Value + Voice Application Language
.VAL Validity Checks (file name extension) [Paradox]
VAM Virtual Access Method
VAN Value Added Network
VAP Value Added Process
VAR Value Added Reseller + Value Added Retailer + Variable
VAST Variable Array Storage Technology
VAX/VMS Virtual Address Extension/Virtual Memory System [DEC]
VB Variable Block + Visual Basic [Microsoft]
VBA Visual Basic for Applications [Microsoft]
VBE/AI Vesa Bios Extension/Audio Interface
VBI Vertical Blanking Interval
VBNS Very High Speed Backbone Network Service [MCI + NSF]
VBR Variable Bit Rate
VBRUN Visual Basic Runtime
VBS Visual Basic Script
.VBX Visual Basic Extension (file name extension)
VCC Virtual Channel Connection
VCD Video Compact Disk + Virtual Communications Driver
VCI Virtual Circuit Identifier
VCL Visual Class/Component Library
VCM Virtual Channel Memory
VCN Virtual Cluster Number
VCOS Visual Caching Operating System [AT&T]
VCPI Virtual Control Program Interface
VCR Video Cassette Recorder
VDD Virtual Device Driver
VDDM Virtual Device Driver Manager
VDE Video Display Editor + Visual Development Environment
VDI Virtual Device Interface
VDISK Virtual Disk
VDM Virtual DOS Machine [IBM]
VDMAD Virtual Direct Memory Access Device [Microsoft]
VDS Virtual DMA Services
VDSL (See DSL)
VDT Video Dial Tone + Video Display Terminal
VDU Video Display Unit + Visual Display Unit
VEGA Video-7 Enhanced Graphics Adapter [Video-7, Inc.]
VEMM Virtual Expanded Memory Manager
VEMMI Versatile Multimedia Interface
VER Verify + Version
VERONICA Very Easy Rodent-Oriented Net-Wide Index to
Computer Archives [Internet]
VERR Verify Read Access
VERW Verify Write Access
VES Video Encoding Standard [Oracle] +
Virtual Execution System
VESA Video Electronics Standards Association
VF Virtual Floppy
VFAT Virtual File Allocation Table [Microsoft]
V.FC Version.First Class (communications standard)
VFD Vacuum Fluorescent Display
VFW Video For Windows [Microsoft]
VGA Video Graphics Array
VGC Video Graphics Controller
VHDL VHSIC Hardware Description Language
VHF Very-High Frequency
VHS Very High Speed + Video Home System +
Virtual Host Storage
VHSIC Very High Speed Integrated Circuit
VI Visual Interactive (editor) [UNIX]
VIA Virtual Interface Architecture [Intel]
VIE Virtual Information Environment
VIF Virtual Interface + Virtual Interrupt Flag
VIM Vendor Independent Mail +
Vendor Independent Messaging + Video Interface Module
VIO Video Input/Output + Virtual Input/Output
VINES Virtual Networking System [Banyan]
ViP Visual Programming [Lotus]
VIP Variable Information Processing +
Video Information Provider +
Virtual Interrupt Pending +
Visual Interactive Parser
VIPER Verifiable Integrated Processor for
Enhanced Reliability
VIS Video Information System [Tandy] +
Viewable Image Size +
Visual Instruction Set [Sun] +
Voice Information System
VJ HEADER Van Jacobsen Header (compression) [Unix]
VLA Variable-Length Array
VLAN Virtual Local Area Network
VL-BUS Vesa Local-Bus [VESA]
VLD Variable-Length Decoder
VLF Very Low Frequency
VLINK Visited Link [HTML]
VLIW Very Large Instruction Word
VLM Virtual Loadable Module
VLSI Very Large Scale Integration
VLSIPS Very Large Scale Immobilized Polymer Synthesis
VLT Variable List Table
VM Virtual Machine + Virtual Memory
VMA Virtual Memory Address
VMB Virtual Machine Boot
VMD Video Motion Detection
VME Versa Module Eurocard +
Virtual Memory Environment
VML Vector Markup Language [Microsoft]
VMM Virtual Machine/Memory Manager
VMOS Vertical MOS
VMP Virtual Modem Protocol
VMS Virtual Machine Storage + Virtual Memory System +
Voice Message System
VMT Virtual Memory Technique
VNA Virtual Network Architecture
VNC Virtual Network Computing
VNOS Visual Network Operating System
VOC Creative Voice (format) [Sound Blaster]
VOD Video On Demand
VOFDM Vector Orthogonal Frequency Division
Multiplexing [Cisco]
VOIP Voice Over Internet Protocol
VOL Volume
VOM Volt-Ohm-Milliammeter
VOR Visions Of Reality
VOS Verbal/Virtual/Voice Operating System
VP Virtual Path
VPD Virtual Printer Device + Vital Product Data [IBM]
VPDN Virtual Private Data Network
VPDS Virtual Private Data Service [MCI]
VPE Video Port Extensions [Microsoft] +
Visual Programming Environment
VPL Virtual Programming Language
VPM Video Port Manager
VPN Virtual Page Number + Virtual Private Network
VPS Voice Processing System
VPSC Vault, Process, Structure, Configuration
VPT Virtual Print Technology [Dataproducts]
VR Virtual Reality + Voltage Regulated/Regulator
VRAM Video Random Access Memory
VRD Virtual Retinal Display
VRE Voltage Regulated Extended
VRM Vendor Relationship Management + Voltage Regulator Module
VRML Virtual Reality Modeling Language
(originally named Virtual Reality Markup Language)
VROOMM Virtual Real-time Object Oriented
Memory Manager [Borland]
VRRP Virtual Router Redundancy Protocol
.VRS WordPerfect Graphics Driver (file name extension)
VRT Voltage Regulation Technology [Intel]
VRU Voice Response Unit
VS Virtual Storage
VSAM Video Surveillance and Monitoring +
Virtual Storage Access Method
VSAT Very Small Aperture Terminal
VSE Virtual Storage Extended
VSF Vertical Scanning Frequency
VSI Virtual Socket/Switch Interface
VSIO Virtual Serial Input Output
VSM Virtual Shared Memory + Virtual Storage Management +
Visual System Management [IBM]
VSN Volume Serial Number
VSOS Virtual Storage Operating System
VST Virtual Studio Technology
VSTO Visual Studio Tools [Microsoft]
VSWR Voltage Standing Wave Ratio
VSYNC Vertical Sync
VT Vertical Tab
VTAM Virtual Telecommunications Access Method [IBM]
VTNS Virtual Telecommunications Network Service
VTS Volume Tracking Driver
VUI Video User Interface
VUP VAX Unit of Performance
VWB Visual WorkBench [Microsoft]
VWM Virtual Window Manager
VXA Variable-Speed Architecture [Ecrix]
VxD Virtual Extended Driver [Microsoft]
.VXD Virtual Device (file name extension) [Microsoft]
VXML Voice Extensible Markup Language
V&V Verification and Validation
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