Security webinars coming up
CDR Call Detail Record Call Detail Recording
CLI Call-Level Interface Clear Interrupt Flag
DLL Dynamic Link Library
DSP Delivery Service Partner
Interface [Microsoft]
MCSD Microsoft Certified Systems Developer [Microsoft]
MCSE Microsoft Certified Systems Engineer [Microsoft]
MDIC Manchester Decoder and Interface Chip [AT&T]
MDK Multimedia Developers Kit [Microsoft]
MIDI Musical Instrument Digital Interface
MIDP Mobile Information Device Profile
MIF Management Information Format
MII Microsoft/IBM/Intel
MLPPP Multilink PPP
MM Minutes Month
MMA Microcomputer Managers Association
MMC Matched Memory Cycle Microcomputer Marketing Council
Microsoft Management Console [Microsoft]
MultiMedia Card
MMCD MultiMedia Compact Disk
MMCX Multimedia Communication Exchange [Lucent Technologies]
MMDS Multi-channel Multipoint Distribution Service
MMF Multi Mode Fiber (cable)
MMI Man-Machine Interface
MMIS Materials Manager Information System
MMPM Multi Media Presentation Manager
MMS Multimedia Messaging Service
MMU Memory Management Unit
MMVF Multimedia Video File [NEC]
MMX Matrix Manipulation Extensions [Intel]
Multimedia Extensions
MNOS Metal Nitride Oxide Semiconductor
MNP Microcom Networking Protocol [Microcom]
.MNU Menu (fine name extension)
MO Magneto-Optical (disk drive)
MOB Memory-Order Buffer
MOBO Mother Board
MOSPF Multicast Open Shortest Path First
MP Massively Parallel (processing) Megapixel
Multiple Processors
MP3 MPEG Audio Layer 3
.MPA Memo Pad Archive (file name extension) [Palm]
MPC Multimedia Personal Computer Multipath Channel
MPCS Mission Planning and Control Station (Software)
MPE Multiple Programming Executive [HP]
MPEG Moving Picture Experts Group
MPI Message Passing Interface Multiprecision Integer
MPLS Multi Protocol Label Switching
MPM Message Passing Library [IBM]
MPMD Multiple Processor/Multiple Data
MPOA Multi-Protocol over Asynchronous-Transfer-Mode
MPP Massively Parallel Processing/Processors
Message Posting Protocol Message Processing Program
MPQP Multi-Protocol Quad Port [IBM]
MPR Multipart Repeater Multi Protocol Router [Novell]
MPS Multiprocessor Specification
MPTN Multi-Protocol Transport Network
MPTS Multi-Protocol Transport Services
MPU Microprocessor Unit
MRCF Microsoft Realtime Compression Format
MRCI Microsoft Realtime Compression Interface
MRI Magnetic Resonance Imaging
MRM Most Recently-Used Master
MRO Multi-Region Operation
MRP Manufacturing Resources Planning
Materials Requirement Planning
MRPL Main Ring Path Length
MRS Media Recognition System
MRT Mean Repair Time
MRU Maximum Receive Unit Most Recently Used
MS Memory System Message Store Microsecond
Microsoft Corporation Millisecond
MSACM Microsoft Audio Compression Manager [Microsoft]
MSCS Microsoft Cluster Server [Microsoft]
.MSP Microsoft Paint (file name extension) [Microsoft]
Multiprotocol Switched Services [IBM]
MSTS Microsoft Terminal Server [Microsoft]
MSW Machine Status Word
Microsoft XML MSXML [Microsoft]
MTA Mail Transport Agent Message Transfer Agent
Multimedia Terminal Adapter Multiple Terminal Access
Multithreaded Architecture
MTBB Mean Time Between Breakdowns
MTBF Mean Time Between Failures
MTBJ Mean Time Between Jams
MTF Microsoft Tape Format [Microsoft]
Modulation Transfer Function
MTH Memory Translator Hub
MTOM Message Transformation Optimization Mechanism
MTRP Maximum Transfer Rate Performance
MTS Message Transfer Service/System
Microsoft Transaction Server [Microsoft]
Mobile Telephone Sysem
NACS National Advisory Committee on Semiconductors
NAE Not Above or Equal
NAK Negative Acknowledgment
NAKA Not Acknowledge
NAL Novell Application Launcher [Novell]
NAM Number Assignment Module
.NAME Names-Individuals (Domain Name) [Internet]
NAMPS Narrow-Band Analog Mobile Phone Service [Motorola]
NAND Not And
NANO One thousand-millionth
NAT Network Address Transformation/Translation
NAWS Negotiate About Window Size
NCMT * Numerical Control for Machine Tools
NDDK Network Device Development Kid [Microsoft]
Wash Non-Destructive Read Out
NDS NetWare Directory Service [Novell]
.NDX Index (file name extension)
NEC Nippon Electric Company
NED NASA Extragalactic Database [NASA]
NEG Negative Negate
NEMA National Electrical Manufacturers Association
NEP Network Entry Point
NES National Education Supercomputer
NEST Novell Embedded Systems Technology [Novell]
.NET Networks (Domain Name) [Internet]
NIC Network Information Center [Internet]
NII National Information Infrastructure
NLSFUNC National Language Support Function
NMP Network Management Protocol [AT & T]
NMS Network Management System [Novell]
NN Network Node No News [Internet]
NNI Network to Network Interface
NNM Network Node Manager
NNTP Network News Transfer Protocol [Internet]
NOAA National Oceanic Atmospheric Administration
NOC Network Operations Center
.NOM Individual with Personal Site (Domain Name) [Internet]
NOP No Operation
NOPAC Network OPAC
NOR Not Or
NOS Network Operating System
NPA Network Printer Alliance Numbering Plan Area
NPI Network Printer Interface
NPL Nonprocedural Language
NPN Negative Positive Negative (bipolar transistor)
NSF National Science Foundation
NSP Native Signal Processing [Intel] Network Service
NTU Network Termination Unit
NUI Network User Identification
Network User Interface
Notebook User Interface [Go Corporation]
NUL Null (dummy device) (no device)
NUMA Non-Uniform Memory Access
NV No Overflow
NVM Non-Volatile Memory
NVOD Near-Video On Demand
NVP Nominal Velocity of Propagation
NVRAM Non-Volatile Random Access Memory
NVT Network Virtual Terminal
Novell Virtual Terminal [Novell]
OASIS Organization for the Advancement of
Structured Information Standards
OBD On Board Diagnostics
OBEX Object Exchange [Borland]
OBJ Object
OC Optical Carrier
OCE Open Collaborative Environment [Apple]
OCF Objects Components Framework [Borland]
OCL Object Constaint Language Operation Control Language
Operator Control Language
OCR Optical Character Recognition
OCS On-Card Sequencer
OCSP Online Certificate Status Protocol
OCX OLE Custom Control
ODA Open Document Architecture
ODAPI Open Database Application Programming
Interface [Borland]
ODBC Object-Oriented Database Connectivity
Open Database Computing
Open Data Base Connectivity [Microsoft]
ODBMS Object-Oriented Database Management System (also
see OODMS)
ODI Open Datalink Interface [Novell]
Open Device Interconnect [NetWare]
ODIF Open Document Interchange Format
ODL Object Definition Language
ODM Object Data Manager [IBM]
Optimized Distribution Model [Compaq]
ODMA Open Document Management API
ODP Open Distributed Processing
ODS Open Data Services [Microsoft]
Operational Data Store
ODSI Open Directory Service Interface [Microsoft]
ODT Open Desktop
OEL Organic Electroluminescent (display)
OEM Original Equipment Manufacturer
OEP Operand Execution Pipeline
OF Overflow Flag
OFB Output Feedback (mode)
OFDM Orthogonal Frequency Division Multiplexing
OFMT Output Format for Numbers
OFS Object File System [Microsoft] Output Field Separator
OFX Open Financial Exchange
OGSA Open Grid Services Architecture
OGSI Open Grid Services Infrastructure
OH Off Hook
OHCI Open Host Controller Interface
OID Object Identifier
OIDL Object Interface Definition Language
Office Information System OIS
Optical Image Stabilizer
OLAP Online Analytical Processing
OLCP Online Complex Processing
.OLD Old version (file name extension)
OLE Object Linking and Embedding [Microsoft]
OLED Organic Light Emitting Diode
OLGA Online Guitar Archive
OLI Optical Line Interface [AT&T]
OLMC Output Logic Macrocell
OLSP Online Service Provider
OLTP Online Transaction Processing
OM Object Manager
OMA Object Management Architecture [Microsoft]
OME Open Messaging Environment (protocol)
OMF Object Module Format [Microsoft]
Open Media Framework Open Message Format
OMG Object Management Group
OMI Open Messaging Interface [Lotus]
OML Object Manipulation Language
OMR Optical Mark Recognition
ONC Open Network Computing [Sun]
ONDS Open Network Distribution Services [IBM]
ONE Open Network Environment [Netscape]
ONMS Open Network Management System
ONU Optical Network Unit
OOAD Object-Oriented Analysis and Design
OOB Out Of Band
OODB Object-Oriented Database
OODMS Object-Oriented Database Management System (also
see ODBMS)
OOL Object-Oriented Language
OOOS Object-Oriented Operating System
OOPL Object-Oriented Programming Language
OOPS Object Oriented Programming and Systems
EAST Object-Oriented Systems
Off-line Operating Simulator
OOT Object-Oriented Technology
OOUI Object Oriented User Interface
OP Operation Optical Output
OPAC Online Public Access Catalog [Internet]
OPC Open Process Control Organic/Optical Photoconductor
OPCODE Operational Code
OPD Operand
OPI Open Prepress Interface
OPM Operations Per Minute
OPS Open Profiling Standard Oracle Parallel Server [Oracle]
OPT Open Protocol Technology
.OPT Options (file name extension)
OPUS Octal Program Updating System
OQL Object Query Language
ORACLE On-Line Inquiry and Report Generator (UNIX DB program)
ORB Object Request Broker [Microsoft]
ORDVAC * Ordnance Variable Automatic Computer
.ORG Non-Profit Organizations (Domain name) [Internet]
ORI Online Retrieval Interface
.ORI Original (file name extension)
ORL Optical Return Loss
OROM Optical Read-Only Memory
ORS Output Record Separator
OS Operating System
OS/2 Operating System/2 [IBM]
OSA Open Scripting/System Architecture
OSCAR Open Source Cluster Application Resources
OSD On Screen Display
Open Software Description/Distribution
OSE Office Server Extensions [Microsoft]
OS/E Operating System/Environment
OSF Open Software Foundation
OSGI (OSGi) Open Services Gateway Initiative
OSI Open Systems Interconnection
OSINT Open Source Intelligence
OSM Off-Screen Model
OSP On-Screen Programming Optical Storage Processor
OSPF Open Shortest Path First
OSQL Object Structured Query Language
OSR2 OEM Service Release 2 [Microsoft]
OSS Open Source Software
OT Object Technology
OTA Operation-Triggered Architecture Over The Air
OTDR Optical Time Domain Reflectometer
OTF Open Token Foundation
OTI Object Technology International [IBM]
OTP One-Time Programmable
YES Organizational Unique Identifier
OURS Open Users Recommended Solutions
.OUT Outlines (file name extension)
OUTS Output String
OV Overflow
OVAL Object-Based Virtual Application Language [Psion]
Open Vulnerability Assessment Language [US-CERT]
.OVL Program Overlay (filename extension)
.OVR Program Overlay (file name extension)
OWA Outlook Web Access [Microsoft]
OWL Object/Open Windows Library [Borland]
P…
P3P Platform for Privacy Preferences Project
PAB Personal Address Book
PABX Private Automatic Branch Exchange
PACE Priority Access Control Enabled [3Com]
PACS Picture Archiving and Communication System
PACS-L Public Access Computer Systems List [Internet]
PAD Packet Assembler/Disassembler
Portable Application Description
PADS Pen Application Development System [Slate Corporation]
PAIH Public-Access Internet Host [Internet]
PAIS Public-Access Internet Site [Internet]
.PAK Packed (compressed file name extension) [NoGate
Consulting]
PAM Pluggable Authentication Module (library)
Pulse Amplitude Modulation
PAN Personal Area Network [GTE]
PAP Packet-level Procedure
Password Authentication Protocol Picture And Picture
Push Access Protocol Printer Access Protocol
PAR Personal Animation Recorder Parallel
PARA Paragraph
PARC Palo Alto Research Center [XEROX]
PA-RISC-Precision Architecture RISC [HP]
.PAS PASCAL source code (file name extension)
PASCAL (Programming Language named for Blaise Pascal)
PAT Port Address Translation
.PAT Patch Pattern (file name extensions)
PATA Parallel Advanced Technology Attachment
PATN Promotional Port Access Telephone Number
PAUSE Perl Automatic Upload Server
PAX Portable Archive Exchange [Unix]
PB Petabyte (1,024 terabytes)
(One Million Billion characters of information)
PBA Printed Board Assembly
PBC Plain-Text Block Chaining
PCBC Plain/Propagating Cipher Block Chaining
PCC Proof Carrying Code
PCD Photo Compact Disk
PC-DOS Personal Computer – Disk Operating System [IBM]
PCEB PCI to EISA Bridge [Intel]
PCI Peripheral Component Interconnect/Interface
PCIC PC-Card Interrupt Controller
PCIE PCI Express (slot)
PC-I/O Program Controlled I/O
PCL Printer Command Language [HP] Process Control Language
PCM Personal Computer Manufacturer
Printer Cartridge Metric [HP]
Pulse Code Modulation
PCMA Paired Carrier Multiple Access
PCMC PCI, Cache, Memory Controller [Intel]
PCMCIA Personal Computer Memory Card International Association
PCMIM Personal Computer Media Interface Module
PCN Personal Computer Network
PCNFS Personal Computer Network File System
PCO Point of Control and Observation
Personal Communication Services/System
Program Database (file name extension)
PDC Primary Domain Controller
PDD Physical Device Driver Portable Digital Document
PDF Package Definition File Portable Document Format
Portable Document File Processor Defined Function
Program Development Facility
+ Program Design Language
.PFB Printer Font Binary (file name extension)
Stripping Programmer's File Editor
.PFM Printer Font Metrics (file name extension) [Windows]
PFN Page Frame Number
PFR Portable Font Resource Power-Fail Restart
PGA Pin Grid Array Professional Graphics Adapter [IBM]
PGC Program Group Control [Microsoft]
PGDN Page Down
.PGL Graphics (file name extension) [Hewlett-Packard]
PGM Program
Process Identification Number [Unix]
PINE Pine Is Not Elm (original usage)
Program for Internet News & Email (present usage)
PING Packet Internet Groper
PIO Parallel Input/Output Processor Input/Output
Programmed Input/Output
PIP Pattern and Information Processing
Personal Identity Provider
Personal Information Portal
Picture-In-Picture
Problem Isolation Procedure
Programmable Interconnect Point
PIPO Parallel In, Parallel Out
PIR Protocol Independent Routing
PIT Programmable Interval Timer
PIXEL Picture Element
PJPEG Progressive JPEG
PK Pack Primary Key
PKC Public Key Cryptography
PKE Public Key Enabled
PLC Power Line Communications
Programmable Logic Controller
PLCC Plastic Leadless Chip Carrier
PLD Programmable Logic Device
PLDS Pilot Land Data System [NASA]
PLL Phase Locked Loop
.PLL Prelinked Library (file name extension) [Clipper]
PL/M Programming Language for Micros
PLMN Public Land Mobile Network
PLS Primary Link Station
PLSQL Procedural Language-Extensions to SQL (Oracle)
PLU Primary Logical Unit
PLV Production Level Video
PL/1 * Programming Language One
PM Presentation Manager [IBM]
Preventative Maintenance Process Manager
.PM6 PagerMaker6 (file name extension) [Corel]
P-MAIL Paper Mail
PMD Packet Mode Data
PMMU Paged Memory Management Unit
PMOS Positive Channel Metal Oxide Semiconductor
PMP Personal Media Player
Portable Multimedia Player
PMR Problem Management Report [IBM]
Performance Monitoring Unit PMU
PMS Policy Management System
PN Processing Node
P/N: Part Number
PNA Programmable Network Access
PND Position Navigation Device
PNG Portable Network Graphics
Dom Private Network-to-Network Interface
PNP Plug And Play
Positive Negative Positive (bipolar transistor)
PNP-X Plug And Play Extensions
PO Parity Odd
POA Portable Object Adapter
POC Point Of Contact
POC-IT Point Of Care-Information Technology [Johns Hopkins]
POD Piece Of Data Plain Old Documentation [Perl]
Plain Old Dos Publishing On Demand
POE Power Open Environment
POH Power-On Hours
POI Point Of Interest
POL Problem Oriented Language
POP Picture-Outside-Picture Point Of Presence
Pop from Stack Post Office Protocol
POP3 Post Office Protocol, Version 3
POPA Pop All Registers
POPF Pop Flags
POR Power-On-Reset
POS Packet Over Sonet Point of Sale Positive
Programmable Object Select
POSE Palm Operating System Emulator
POSIX Portable Operating System Interface for Unix
POST Power-On Self Test
POSTNET Postal Numeric Encoding Technique (bar code)
POTS Plain Old Telephone Service Plain Old Time-Sharing
POWER Performance Optimization with Enhanced RISC [IBM]
PowerPC Performance Optimization with Enhanced RISC-Performance
Computing
PP Parallel Port
P2P Peer To Peer People To People
P3P Platform for Privacy Preferences
PPA Pixel Processing Accelerator
.PPD PostScript Printer Description (file name extension)
PPDS Personal Printer Data Stream [IBM]
PPGA Plastic Pin Grid Array
PPI Precise Pixel Interpolation
PPM Pages Per Minute
PPML Personalized Print Markup Language
PPP Point-to-Point Protocol [Internet]
PPPOE (PPPoE) Point-to-Point Protocol Over Ethernet
PPS Packets Per Second Power Personal Systems [IBM]
.PPS PowerPoint Show (file name extension) [Microsoft]
PPTP Point-to-Point Tunneling Protocol [Microsoft]
PPU Place of Primary Use
PQA Palm Query Application
.PRG Program (file name extension)
PRI Primary-Rate Interface
PRINTF Print with Formatting [C Programming Language]
PRISM Photo-Refractive Information Storage Material
.PRJ Project (file name extension) [Borland]
PRMD Private Management Domain [X.400]
PRML Partial-Response Maximum-Likelihood
.PRO Professionals (Domain Name) [Internet]
Profile (file name extension)
PROC Procedure
PROFS Professional Office System [IBM]
PROG Program Programmer
PROLOG Programming In Logic (Programming Language)(See HLL)
PROM Programmable Read Only Memory
PRN Printer
PRNG Pseudo-Random Number Generation (algorithm)
.PRS Printer (file name extension) [WordPerfect]
PRTSC Print Screen
PS Proportional Spacing
.PS PostScript (file name extension)
PS/2 Programming System 2 [IBM]
PSAPI Presentation Space Application Programming Interface
PSC Personal Super Computer Print Server Command
Product Service Center
PSDN Packet-Switched Data Network
PSDS Packet-Switched Data Service
PSERVER Print Server [NetWare]
PSF Permanent Swap File
PSID PostScript Image Data
PSINET (formerly Performance Systems International)
PSK Phase Shift Keying
PSM Platform Specific Model Printing Systems Manager
Print Services Facility [IBM]
PSN Packet Switching Network
Processor Serial Number
PSP Personal Software Products (group) [IBM]
Play Station Portable [Sony] Program Segment Prefix
PSPDN Packet-Switched Public Data Network
PSRAM Pseudo-Static Random Access Memory
PSRT PostScript Round Table [GEnie]
PSS Process Status Structure
PSTN Public Switched Telephone Network
PSU Power Supply Unit
PSW Program Status Word
.ps.Z Compressed PostScript (file name extension) [Unix]
PT Page Table
P/T Part Time
PTD Parallel Transfer Disk Drive
PTE Page Table Entry
PTF Problem Temporary/Trouble Fix [IBM]
PTH Plated Through Hole
PTI Packet Type Identifier
PTT Postal Telephone & Telegraph Push To Talk
PUB Public (directory) [Internet] Publish
.PUB Publication (file name extension) [Ventura]
PUN Physical Unit Number
PUP PARC Universal Packet (protocol)
Potentially Unwanted Program
PURL Persistent URL
PUS Processor Upgrade Socket
PUSHA Push All Registers
PUSHF Push Flags
PVC Permanent Virtual Circuit Polyvinyl Chloride
PVM Parallel Virtual Machine
Pass-through Virtual Machine (protocol) [IBM]
PVP Parallel Vector Processing
PVR Personal Video Recorder
PVS Parallel Visualization Server
PVT Position, Velocity, Time
PW Password
PWB Printed Wire Board
Programmer’s Workbench [Microsoft]
PWD Print Working Directory [Unix]
.PWL Password List (file name extension)
PWM Pulse Width Modulation
PWR Power
PWSCS Programmable Workstation Communication Services [IBM]
.PX Primary Index (file name extension) [Paradox]
Q…
QA Quality Assurance
QAM Quadrature Amplitude Modulation
QBE Query By Example
QBF Query by Form
QBIC Query By Image Content [IBM]
QBITS Quantum Bits
QC Quality Control
QD Querty/Dvorak
QDA Qualitative Data Analysis
QDOS Quick and Dirty Operating System
.QDI Quicken Dictionary (file name extension) [Intuit]
.QDT Quicken Data (file name extension) [Intuit]
QEMM Quarterdeck Expanded Memory Manager [Quarterdeck Corp.]
QFA Quick File Access
QFE Quick-Fix Engineering [Microsoft]
QFP Quad Flat Pack
QIC Quality Information Using Cycle Time [Hewlett-Packard]
Quarter-Inch Cartridge
.QIF Quicken Import File/Interchange Format
(file name extension)
QLLC Qualified Logical Link Control
.QMT Quicken Memorized List (file name extension) [Intuit]
.QNX Quicken Indexes to Data (file name extension) [Intuit]
QOS Quality Of Service
QPG Quantum Phase Gate
QPSK Quadrature Phase Shift Keying
QSAM Queued Sequential Access Method
QTC Quicktime Conferencing [Macintosh]
QTVR Quicktime Virtual Reality
QVGA Quarter Video Graphics Array
QWAVE Quality Windows Audio/Video Experience [Microsoft]
R…
RA Remote Assistance Return Authorization
.RA Real Audio (file name extension)
RACF Resource Access Control Facility
RAD Rapid Application Development
RADAR Radio Detection And Ranging
Rights, Availabilities, Distribution Analysis
and Reporting [Disney]
RADB Routing Arbiter Data Base
RADIUS Remote Authentication Dial-In User Service
RADSL Rate Adaptive Digital Subscriber Line
RAG Row Address Generator
RAID Redundant Arrays of Independent Disks
Redundant Arrays of Independent Drives
Redundant Arrays of Inexpensive Disks
RAIS Redundant Arrays of Inexpensive Systems
RALU Register Arithmetic Logic Unit
RAM Random Access Memory
.RAM Real Audio Metafile (file name extension)
RAMDAC Random Access Memory Digital-to-Analog
Converter [Sierra]
RAMP Remote Access Maintenance Protocol [Internet]
RAN Radio Access Network Regional Advanced Network
RAND Random
RAP Rapid Application Prototyping
RARP Reverse Address Resolution Protocol
RAS Random Access Storage
Reader Admission System [British Library]
Reliability, Availability and Serviceability
Remote Access Service Row Address Select
R&D Research and Development
RDA Remote Database Access
RDB Receive Data Buffer Relational Database
RDBMS Relational Database Management System
RDCLK Received Timing Clock
RDF Resource Description Framework [W3C]
RDIF Radio Frequency Indentification (tag)
RDN Relative Distinguished Name
RDO Remote Data Object
RDP Reliable Datagram Protocol Remote Desktop Protocol
RDR Remote Data Recovery
RDRAM Rambus DRAM
RDSL (See DSL)
RDSR Receiver Data Service Request
RDTO Receive Data Transfer Offset [IBM]
RDX Realistic Display Mixer
.REC Recorder (file name extension)
Recreational or Entertainment Activities (Domain
Name) [Internet]
REG Register
REGAL Rigid Epoxy Glass Acrylic Laminate
REGEDIT Registry Editor [Microsoft]
RELSECT Relative Sector
REM Remark Remote Ring Error Monitor
REN Rename Ringer Equivalence Number
REP Repeat
REPE Repeat while Equal
REPNE Repeat while Not Equal
REPNZ Repeat while Not Zero
REPZ Repeat while Zero
REQ Request
REREG Re-Register
RETR Retrieve
REX Relocatable Executable
REXEC Remote Execution
REXX Restructured Extended Executor (language) [IBM]
RF Radio Frequency
RFC Request For Comments [Internet]
RFD Reduced Function Device
Request for Discussion [Internet]
RFI Radio Frequency Interference Request for Information
RFID Radio Frequency Identification
RFP Request for Proposal
RFQ Request for Quotation
RFS Remote File Sharing Remote File System
RIFF Resource Interchange File Format [Microsoft]
RIM Remote Installation and Maintenance [Microsoft]
Research In Motion (company) Ring Indicator Monitor
RIME RelayNet International Message Exchange
RIP Raster Image Processor Remote Imaging Protocol
Routing Information Protocol [Novell]
RIPEM Riordan’s Internet Privacy Enhanced Mail
RIPS Raster Image Processing System
RISC Reduced Instruction Set Computing
RIT Raw Input Thread [Microsoft]
RJE Remote Job Entry
RLD Received Line Detect
RLE Run Length Encoded
RLL Run Length Limited
RLN Remote LAN Node [DCA]
RLOGIN Remote Login
RLSD Received Line Signal Detected
RLSI * Ridiculously Large-Scale Integration
RM Reset Mode
ROI Return On Investment
ROSCOE Remote Operating System Conversational Online
Environment
ROT Running Object Table
RPC Remote Procedure Call
RPE Remote Program Execution
RPG Report Program Generator (Programming Language)
RPL Resident Programming Language
Requested Privilege Level
RPM Revolutions Per Minute
RPN Real Page Number Reverse Polish Notation
RPRINTER Remote Printer [NetWare]
RPPROM Reprogrammable PROM
RPR Relative Performance Rating
RPT Repeat
RPQ Request for Price Quotation
RQBE Relational Query By Example [Fox Pro]
RR Real Reality
RRP Recommended Retail Price
RS Radio Shack
Recommended Standard (as in RS-232) [EIA]
Record Separator Request to Send
RSA Rural Service Area
RSA129 (129 digit cryptographic security number named after
its inventors: Drs. Ronald L. Rivest, Adi Shamir and
Leonard M. Adleman)
RSAC Recreational Software Advisory Council
RSCS Remote Spooling Communications System
RSD Route Server Daemon
RSH Remote Shell
RSI Repetitive Strain Injury (Carpal Tunnel Syndrome)
RSL Request-and-Status Link
RSP Required Space Character Response
RSPX Remote Sequenced Packet Exchange
RSS Really Simple Syndication Reduced Space Symbology
RDF Site Summary Rich Site Summary
RSSI Received Signal Strength Indicator
RST Reset Restart
RSTS Resource Sharing Time Sharing [Digital]
RSVP Resource Reservation Protocol
RSX Realistic Sound Experience
Real Time Resource Sharing Executive
RT Real Time RISC Technology Run Time
R/T Receive/Transmit
RTAM Remote Terminal Access Method
RTC Real-Time Clock
RTCP Real-Time Control Protocol
RTDM Real-Time Data Migration
RTEL Reverse Telnet [Internet]
RTF Rich Text Format
RTI Run Time Infrastructure
RTL Raster Transfer Language
Register Transfer Language/Level
Resistor Transistor Logic Right-To-Left
Run Time Library
RTM Release To Manufacturer Response Time Monitor
Runtime Manager [Borland]
RTMP Routing Table Maintenance Protocol
RTN Reuters Transaction Network
RTOS Real-Time Operating System
RTP Rapid Transport Protocol Real Time Protocol
Real-Time Transport Protocol
RTS Remote Takeover System Ready/Request To Send
RTSP Real-Time Streaming Protocol
RTTI Runtime Type Identification/Information
RTTY Radio Teletypewriter (Communications)
RTV Real Time Video
RTX Run Time Extension
RUN Rewind/Unload [IBM]
RUP Rational Unified Process [IBM]
RVA Relative Virtual Address
RVI Reverse Interrupt
R/W Read/Write
Ruins Receive Window
RWM Read-write Memory
RX Receiver
RXD Receive Data
S…
SA Selective Availability
SAA Systems Application Architecture [IBM]
SAAS Software As A Service
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]
Service Component Architecture
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
- 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 Secure Digital 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]
SDIO Secure Digital Input/Output
SDK Software Development Kit [Microsoft]
SDL Specification and Description Language
SDLC Synchronous Data Link Control (protocol)
SDLT Super Digital Linear Tape
HR 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
SDO Service Data Objects
Software Delivery Optimization [Borland]
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 Segment Delay Value 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 Sequential 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 Super Long Play
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)
SMD Surface Mounted Device
SMDR Station Message Detail Recording
SMDS Switched Multimedia/Multi-Megabit Data Service
SME Small & Medium Sized Enterprises
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
- 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 Authentication Protocol
SPARC Scalable Processor Architecture
Sun’s Palo Alto Research Center
SPC Small Peripheral Controller Statistical Process Control
Spakl 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 Software Product Line Spooler
Structured Product Labeling [Microsoft]
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]
Small Programmable Object Technology [Sun]
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
SPVA Super Patterned Vertical Alignment
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
STEM Science, Technology, Engineering and Math
STEP Standard for Exchange of Product
STEREO Solar-Terrestrial Relations Observatory [JHUAPL]
.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]
SUPERDARN Super Dual Auroral Radar Network [JHUAPL]
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
S-VIDEO Separate Video
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
Simple Web Printing BATCH
.SWP Swap (file name extension)
SXGA Super Extended Graphics Array
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…
TAB Tape Automated Bonding
TAC Title, Author, Copyright
TACS Total Access Communication System
TAD Telephone Answering Device
TAG Technical Advisory Group
TAI International Atomic Time
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
Thermal Design Power
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 Task Identification
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]
TIMED Thermosphere-Ionosphere-Mesosphere
Energetics and Dynamics [JHUAPL]
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
TOAD Tool for Application Developers
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 Trusted Platform Module
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]
TRADITIONS * 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 Through The Lens 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]
In ...
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
High uniform commercial code
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
UIMA Unstructured Information Management
Architecture [IBM]
UIMS User Interface Management System
UL Underwriters Laboratories
Unordered List Upload
ULA Uncommitted Logic Array
UWB Ultra Wideband
Universal Link Negotiation products
ULS Universal Licensing System
ULSI Ultra Large Scale Integration
A Unified Memory Architecture
UMB Upper Memory Block [LIM/AST]
UMD Universal Media Disk
UML Unified Modeling Language
UMPC Ultra-Mobile Personal Computer
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
Life 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
UT1 Universal Time One
UTC Coordinated Universal Time
UTF Unicode Transformation Format
UTI Universal Text Interchange/Interface
UTM Unified Threat Management
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
NEW UUEncoding [Unix]
UUENCODE Unix-To-Unix Encoding
R 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 ...
VA Virtual Address Visual Age [IBM]
VAD Value Added Dealer
PAD 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]
VLA Variable-Length Array
VLAN Virtual Local Area Network
VL-BUS Vesa Local-Bus [VESA]
WINForum Wireless Information Networks Forum
WIN…FS Windows Future Storage [Microsoft]
program)..lower case z..[Unix]
forticlient endpoint security 64 bit endpoint security 2013