A - Ampere
ABEND - ABnormally END
ABIOS - Advanced BIOS
ABR - Area Border Router
AC - Alternating Current
ACE - Americans Communicating Electronicly
ACK - ACKnowledge
ACL - Access Control List
ACM - Association for Computer Machinery
ACRnet - Attatched Resource Computer network
ADF - Adapter Definition File
ADSL - Asymmetrical Digital Subscriber Line
ADSP - AppleTalk Data Stream Protocol
AEC - Architecture, Engineering, Construction
AEN - Adult Education Network
AFP - Appletalk Filing Protocol
AFS - Andrews Filing System
AI - Artificial Intelligence
AIO - Asynchronous Input/Output (protocol)
AIX - advanced Interactive Executive
ALE - Address Latch Enable
ALIX - Automated Library on Information eXchange
ALU - Arithmatic/Logic Unit
AM - Amplitude Modulation
AME - Advanced Modeling System
AMI - Alternate Mark Inversion
ANS - Advanced Network Services
ANSI - American National Standards Institute
AOL - America Online
APA - All Points Addressable
APF - AppleTalk Filing Protocol
API - Application Programming Interface
APM - Advanced Power Management
APN - Academic Position Network
APPC - Advanced Program to Program Communications
APPN - Advanced Peer-to-Peer Networking
ARP - Address Resolution Protocol
ARPA - Advanced Research Projects Agency
ARPANET - Advanced Research Projects Agency NETwork
AS - Autonomous System
ASAP - As Soon As Possible
ASCII - American Society Code for Information Interchange
ASIC - Application-Specific Integrated Circuit
ASK - Amplitude Shift Keying
ASN - Abstract Syntax Notation, Autonomous System Number
ASP - AppleTalk Session Protocol
ASPI - Advanced (originaly Adaptec) SCSI Programming Interface
AT - ?, Attention
ATA - AT Attatchment
ATAPI - AT Attatchment Packet Interface
ATM - Asynchronous Transfer Mode, Automated Teller Machine
ATP - AppleTalk Transaction Protocol
AUI - Attatchment Unit Interface,  Auxiliary Unit Interface
AUP - Acceptable Use Policy
A-V - Audio-Visual
AVG - AVeraGe
AWG - American Wire Guage
B - Byte
b - bit
BAR - Short for FUBAR
BASIC - Beginners All-purpose Symbolic Instruction Set
BBN - Bolt, Beranek and Newman, Inc.
BBS - Bulliten Board System
BCD - Binary Coded Decimal
BEB - Binary Exponential Backoff
BFT - Binary File Transfer
BGP - Border Gateway Protocol
BIOS - Basic Input/Output System
B-ISDN - Binary ISDN
BITNET - Because It's Time NETwork
BIX - Byte (magazine) Information eXchange
BLT - Bacon, Lettuce and Tomatoe (sandwich)
BNC - British Naval Connector
bps - bits per second
BRI - Basic Rate Interface (ISDN)
BSD - Berkley Software Distribution (as in 4.3BSD)
CAD - Computer Aided Design  
CADD - Computer Aided Design and Drafting
CAE - Computer Aided Engineering 
CAI - Computer Aided Instruction
CAM - Computer Aided Manufacturing, Common Access Method
CAN - Colossal Area Network
CAP - Central Arbitration Point
CARL - Colorado Association for Research Libraries
CAS - Column Address Strobe
CATV - CAble TV
CBIOS - Compatibility BIOS
CBT - Computer Based Training
CCF - Cold-Cathode Florescent
CCITT - Consultive Committee for International Telegraph and Telephony (now ITU)
CD - Compact Disk, Carrier Detect
CD-DA - Compact Disk-Digital Audio
CD-i - CD-interactive
CD-ROM - Compact Disk-Read Only Memory
CDDI - Copper Distributed Data Interface
CDPD - Cellular Digital Packet Data
CD-ROM - Compact Disk-Read Only Memory
CE - Customer Engineer (Cylinder)
CERN - (?) European Particle Physics Laboratory in Geneva
CERT - Computer Emergency Responce Team
CFG - ConFiGuration
CGA - Color Graphics Array
CGI - Common Gateway Interface
CHAP - Challenge Handshake Authentication Protocol
CI - Command Interpreter
CIA - Computer Industry Acronym, Central Intellegence Agency (U.S. Gov.)
CICS - Customer Information Control System
CID - CompuServe Internet Dialer
CIM - CompuServe Information Manager
CIR - Committed Information Rate
CIS - Card Identification Structure,  CompuServe Information Service
CISC - Complex Instruction Set Computing
CIX - Commercial Internet Exchange
CLNS - Connectionless (Connectorless) Network Service 
CLU - Command Line Utility
CLUT - Color Look-Up Table
CMC - Computer Mediated Conversation
CMOS - Complementary Metal Oxide Semiconductor
CMY - Cyan, Magenta, Yellow
CMYK - Cyan, Magenta, Yellow, blacK
CNA - Certified NetWare Administrater
CNE - Certified NetWare Engineer
CNI - Certified NetWare Instructor
CO - Central Office
CODEC - COmpression/DECompression
COM - COMmunications (port)
CONS - Connection Oriented Network Service
CP/M - Control Program for Micorcomputers
CPE - Customer Premesis Equipment
CPI - Counts Per Inch
CPSR - Computer Professionals for Social Responsibility
CPU - Central Processing Unit
CR - Carraige Return
CRC - Cyclical Redundancy Check
CRT - Cathode Ray Tube
CS - Cable Select
CSA - Canada Standards Association
CSMA - Carrier Sense Multiple Access
CSMA/CA - CSMA with Collision Avoidance
CSMA/CD - CSMA with Collision Detection
CSN - Card Select Number
CSNET - Computer and Science NETwork
CSO - Computing Services Office
CSU - Channel Service Unit
CSU/DSU - Channel Service Unit/Digital Service Unit
CTRL - ConTRoL
CTS - Clear To Send
CWIS - Campus-Wide Information System
CYMK - Cyan-Yellow-Magenta-blacK (color system)
DAC - Digital-to Analog Converter
DAP - Data Access Protocol
DARPA - Department of Defence ARPA (U.S. Gov.)
DAS - Dual Attatched Station
DAST - Direct Access Storage Device
DAT - Digital Audio Tape
DC - Direct Current, Data Cartridge
DCA - Document Content Architecture, Defence Communcations Agency (U.S. Gov.)
D/CAS - Digital/CASsette
DCB - Directory Cache Buffer
DCE - Data Communications Equipment, Data Circuit-terminating Equipment
DCT - Discrete Cosine Transform
DD - Double Density
DDCMP - Digital Data Communications Message Protocol
DDF - Data Definition File
DDM - Distributed Data Management
DDN - Defence Data Network (U.S. Gov.)
DDN NIC - DNN Network Information Center
DDP - Datagram Delivery Protocol
DDS - Digital Data Storage
DEA - Data Encryption Algorithm
DEC - Digital Equipment Corporation
DECnet - DEC network
DES - Data Encryption Standard (U.S. Gov.)
DET - Directory Entry Table
DIA - Document Interchange Architecture
DID - Direct Inward Dial
DIP - Dual In-line Pin
DIW - D-Inside Wire
DIX - Digital/Intel/Xerox
DLL - Data Link Layer,  Dynamic Linked Library
DMA - Direct Memory Access
DMI - Desktop Management Interface
DMP - Dynamic Memory Pool
DMPL - Digital Microprocessor Plotter Language
DNA - Digital Network Architecture
DNS - Domain Name Server, Domain Name System
DOC - Document
DOD - Department Of Defence (U.S. Gov.)
DOE - Department Of Energy (U.S. Gov.)
DOS - Disk Operating System
dpi - dots per inch
DPMS - Display Power Management System
DPP - Datagram Delivery Protocol
DQDB - Distributed Queue Dual Bus
DRAM - Dynamic Random Access Memory
DS - Drive Select, Drive Spindle
DSAP - Destination Service Access Point
DSEA - Display Station Emulation Adapter
DSP - Digital Signal Processor, Drive Slave Present
DSR - Data Set Ready
DSU - Data Service Unit,  Digital Service Unit
DTACK - Data Acknowledge
DTD - Document Type Definition
DTE - Data Terminal Equipment
DTMF - Dual Tone Modulated Frequency, Dual Tone MultiFrequency
DTP - DeskTop Publishing
DTR - Data Terminal Ready
EARN - European Academic Research Network
EBCDIC - Extended Binary Coded Decimal Interchange Code
ECB - Event Control Block
ECC - Error Connection Code
ECHO - East Coast Hang-Out
ECMA - European Computer Manufacturers Association
ECNE - Enterprise Certified NetWare Engineer
ECPA - Electronic Comminications Privacy Act
EDI - Electronic Document Interchange
EDS - Electorstatic Discharge
EDVAC - Electronic Discrete Variable Automatic Computer
EEMS - Enhanced EMS
EEPROM - Electrically EPROM
EFF - Electronic Freedom Foundation,  Electronic Frontier Foundation
EGA - Enhanced Graphics Adapter
EGP - Exterior Gateway Protocol
EIA - Electronics Industry Association
EISA - Extended Industry Standard Architecture
EL - ElectorLuminescense
ELAP - Ethertalk Link Access Protocol
ELF - Extremely Low Frequency
EM - ElectroMagnetic
E-mail - Electronic mail
EMC - Extended Math Co-processor
EMI - ElectroMagnetic Interference
EMS - Expanded Memory Specification
ENIAC - Electronic Numerical Integrator And Computer
EO - Erasable Optical
EOF - End Of Frame,  End Of File
EOM - End Of Media
EOS - Electrostatic Overstress
EPA - Environmental Protection Agency (U.S. Gov.)
EPP - Enhanced Parallel Port
EPROM - Eraseable Programmable Read-Only Memory
EPS - Encapsulated PostScript
ERIC - Educational Resources Information Center
ESC - ESCape
ESD - ElectroStatic Discharge
ESDI - Enhanced Small Device Interface
ESP - Enhanced Serial Port
ETX - End TeXt
EUnet - EUropean network
FAQ - Frequently Asked Question
FAT - File Allocation Table
FAX - FAcsimile
FBC - First Bisynchronous Communications
FCC - Federal Communications Commission
FCS - Frame Check Sequencer
FDD - Floppy Disk Drive
FDDI - Fiber-Distributed Data Interface
FDM - Frequency Division Multiplexing
FF - Form Feed
FIFO - First In First Out
FIPS - Federal Information Processing Standard
FM - Frequency Modulation
FMW - Flash Memory Writer
FOIRL - Fiber Optic Inter-repeater Link
FOO - Short for FUBAR
FPS - Frames Per Second
FPT - Forced Perfect Termination
FPU - Floating Point Unit
FQDN - Fully Qualified Domain Name
FSK - Frequency Shift Keying
FSP - File Server Process,  File Service Process
FTAM - File Transfer, Access and Management (protocol)
FTP - File Transfer Protocol
FTS - File Tracking System
FUBAR - Fouled Up Beyond All Recognition
FYI - For Your Information
GB - Gigabyte, a billion bytes
Gb - Gigabit, a billion bits
GIF - Graphics Interchange Format
GMT - Greenwich Mean Time
GND - GrouND
GNN - Global Network Navigator
GNU - (?), Gnu's Not UNIX
GOSIP - Government OSI Profile
GPS - Global-Positioning Satellite System
GUI - Graphical User Interface
h - hexidecimal
H - Hexidecimal
HAS - Hybrid Access System
HBA - Host Bus Adapter
HDD - Hard Disk Drive
HDLC - High level Datalink Control
HDPT - Hard Drive Parameter Table
HDSL - High-speed Digital Subscriber Line
HDTV - High Definition TeleVision
Hex - Hexidecimal
HF - High Frequency
HGC - Hercules Graphic Card
HLS - Hue-Lightness-Saturation (color system)
HMA - High Memory Area
HP - Hewlett-Packard
HP-GL - Hewlett-Packard Graphics Language
HPFS - High Performance File System (OS/2)
HSM - Hardware Specific Module,  Heirarchical Storage Management
HTML - HyperText Markup Language
HTTP - HyperText Transport Protocol, HyperText Transfer Protocol
H/V - Horizontal/Verticle
HWD - Height, Width, Depth
IAB - Internet Activities Board, Internet Architecture Board
IBM - International Business Machines (Corporation)
IC - Integrated Circuit
ICCC - International Conference on Computer Communications
ICMP - Internet Control Message Protocol
ID - Identification
IDE - Intellegent Drive Electronics, Integrated Device Electronics
IDEA - International Data Ecryption Algorithm
IEEE - Institute of Electrical and Electronics Engineers
IETF - Internet Engineering Task Force
IGES - Intiial Graphics Exchange Specification
ILD - Injection Laser Diode
IMAP - Interactive Mail Access Protocol
IMP - Information Message Processor,  Internet Mercantile Protocols
IMP - Internet Mercantile Protocol
IMS - Information Management System
INET - INstitutional NETwowrk
InterNIC - Internetwork Network Information Center
I/O - Input/Output
IP - Internet Protocol, Information Protocol
IPE - Instructor Performance Evaluation
IPL - Intiial Program Load
IPX - Internetwork Packet Exchange 
IR - InfraRed
IRC - Internet Relay Chat
IRM - Inherited Rights Mask
IRQ - Interrupt ReQuest
IRTF - Internet Research Task Force
I.S. - Information Superhighway
IS-IS - Intermediate System to Intermediate System
ISA - Industry Standard Architecture
ISAAC - Information System for Advanced Academic Computing
ISDN - Integrated Services Digital Network
ISDN-B - ISDN-Bearer
ISDN-D - ISDN-Delta
ISI - Information Sciences Institute (Univ. of Southern California)
ISM - Industry, Scientific, Medical (Radio Band)
ISO - International Standards Organization
ISONET - ISOchronous Ethernet
ISP - Integrated System Peripheral, Internet Service Provider
ISR - Interrupt Service Routine
IT - Information Technology
ITT - Invitation To Transmit
ITU - International Telecommunications Union (formerly CCITT)
ITU-TSS - ITU Telecommunications Standards Sector
JANET - Joint Academic NETwork
JEIDA - Japan Electronic Industry Developemnet Association
JPEG - Joint Photographic Expert Group
JUGHEAD - Jonzy's Universal Gopher Hierarchy Excavation And Display
KB - Kilobyte, a thousand bytes
Kb - Kilobit,  thousand bits
KIS - Knowbot Information Service
LADDR - LAyered Device Driver Architecture
LAN - Local Area Network
LAPB - Link Access Procedure, Balanced
LAPM - Link Access Procedure for Modems
LAT - Local Area Transport
LATA - Local Access and Transport Area
LBA - Logic Block Addressing
LCC - Leadless Chip Carrier
LCD - Liquid Crystal Display
LEAP - League for Engineering Automation Productivity
LED - Light Emmitting Diode
LF - Line Feed
LFU - Least Frequently Used
LGA - Land Grid Array
LIM - Lotus, Intel, Microsoft
LISP - List Processing Language
LLAP - LocalTalk Link Access Protocol
LLC - Logical Link Control (layer)
LOC - Library Of Congress
LOCIS - Library Of Congress Information System
L-PDU - Logical Link Control Protocol Data Unit
LPT1,2, etc. - Line Printer Terminal 1, 2, etc.
LRU - Least Recently Used
LSI - Large Scale Integration
LU - Logical Unit
LZ - Landing Zone
MAC - Apple MACintosh computer, Media Access Control, Medium Access Control
MAN - Metropolitan Area Network
MAP - Manufacturing Automation Protocol
MAU - Multi-Access Unit
MB - Megabyte, a million bytes
Mb - Megabit, a million bits
MBONE - Multicasting backBONE
MBR - Masker Boot Record
MCA - Micro-Channel Architecture
MCGA - Memory Controller Gate Array
MDA - Monochrome Display Adapter
MDFAT - Mocrosoft Doublespace FAT
MDS - Message Digest Algorithm 
MFM - Modified Frequency Modulation
MH - Modified Huffman (encoding), Mail Handler
MHS - Message Handling Service
Mhz - Megahertz , millions of cycles (per second)
MIDI - Musical Instrument Digital Interface
MILNET - MILitary NETwork
MIME - Multipurpose Internet Mail Extension
MIO - Modular I/O
MIPS - Millions of Instructions Per Second, Microprocessor without Interlocked Pipeline Stages
MIT - Massachusetts Institute of Technology
MLID - Multiple Link Interface Driver
MMCD - Multi-Media Compact Disk
MMR - Modified Modified Read (encoding)
MMU - Memory Management Unit
MNP - Micorcom Networking Protocol
MO - Magneto-Optical
MODEM - Modulate/Demodulate
MOO - Multiuser Object Oriented (environment)
MOTD - Message Of The Day
MOV - Metal Oxide Varistor
MPC - Multi-media PC (standard)
MPEG - Motion Pictures Expert Group
MR - Modified Read (encoding)
MRM - Maximum Rights Mask
MS - MicroSoft (actually Microsoft)
MSAU - MultiStation Access Unit
MSN - MS Network
MSS - Mass Storage Service
MTA - Mail Transport Agent, Message Transfer Agent
MTBF - Mean Time Between Failures
MTSO - Mobile Telephone Switching Office
MTTF - Mean Time To Failure
MTTR - Mean Time To Recovery
MUA - Multi-User Adventure
MUD - Multi-User Dungeon
MUDDL - MUD Definition Language
MUF - Multi-User Forth
MUS - Multiple Virtual Storage
MUSH - Mail User's SHell
MUSH - Multi-User Shared Hallucination
MW - MicorWave
MZR - Multiple-Zone Recording
NA - Not Assigned, Not Applicable
NACS - NetWare Asynchronous Communications Services
NAEC - Novell Authorized Education Center
NAK - Negative Acknowledgement
NAR - Novell Authorized Reseller
NASA - National Aeronautics and Space Agency (Administration)
NASC - Novell Authorized Service Center
NAUN - Nearest Active Upstream Neighbor
NBMA - Non-Broadcast Multi-access
NBP - Name Binding Protocol
NBS - National Bureau of Standards (now NIST) (U.S. Gov.)
NCP - NetWare Core Protocol,  Network Control Program
NCSA - National Center for Supercomputing Applications, National Computer Securety Association
NDIS - Network Driver Interface Specification
NDLU - National Distance Learning University
NDS - NetWare Directory Services
NEAP - Novell Education Academic Partner
NFS - Network File System
NFSNET - NFS NETwork
NGO - Non-Government Organization
NIC - Network Interface Card, Network Information Center
NICAD - NICkel-CADmium
NII - National Information Infrastructure
NIMH - NIckel-Metal Hydride
NIR - Networked Information Retrieval
NIST - National Institute of Standards (Science) and Technology (formerly NBS) (U.S. Gov.)
NLM - NetWare Loadable Module
NLSP - NetWare Link Services Protocol
NMI - Non-Maskable Interrupt
NMOS - N-channel Metal Oxide Semiconductor
NMS - Network Managemant System
NNS - NetWare Name Server
NNTP - Network News Transfer Protocol
NOC - Network Operations Center
NOS - Network Operating System
NPA - Network Professional Association
NPN - Negative-Positive-Negative (transistors)
NREN - National Research and Education Network
NRZ-I - Nonreturn to Zero-Inverted (binary encoding)
NSAR - NetWare Service Advertising Restricter
NSEP - Network Support Encyclopedia
NSF - National Science Foundation
NSP - Network Services Protocol
NTSC - National Television Standards Committee, Never Twice the Same Color
NUI - NetWare Users International
NVTS - Network Virtual Terminal Service
OCR - Optical Character Recognition, Office for Civil Rights
ODBC - Open DataBase Connectivity (Standard)
ODP - OverDrive Processor 
OEM - Original Equipment Manufacturer
OLE - Object Linkinig and Embedding
OLR - Off-Line Reader
OM1 - Open MPEG 1
ONC - Open Network Computing
OOP - Object Oriented Programming
OPAC - Online Public Access Catalog
OS/2 - Operating System /2
OSI - Open Systems Interconnection
OSPF - Open Shortest Path First (Interior Gateway Protocol)
OTDR - Optical Time Domain Reflectometer
PAK - Product Authorization Key
PAL - Phase Alternate Line
PAP - Printer Access Protocol
PARC - Palo Alto Research Center (Xerox Corporation)
PBX - Private Branch Exchange
PC - Personal Computer
PCB - Printed Circuit Board
PCI - Peripheral Component Interconnect, Peripheral Component Interface
PCL - Printer Control Language
PCM - Pulse Code Modulation
PCMCIA - Personal Computer Memory Card International Association
PCNFS - PC Network File System
PCS - Personal Communications Services
PCTV - Personal Computer TeleVision
PDA - Personal Digital Assistant
PDF - Portable Document Format, Printer Definition File
PDIAL - Public Dialup Internet Access List
PDN - Public Data Network
PDS - Processor Direct Slot, Professional Development Services
PE - Parity Error
PEM - Privacy Enhanced Mail
PGA - Pin Grid Array
PGP - Pretty Good Protection
PIC - Progammable Interupt Controller
PIM - Personal Information Manager
PIN - Personal Identification Number
PINE - Program for Internet News and E-mail
PIO - Programmed I/O
PLCC - Plastic LCC
PMS - Pantone Matching System
PnP - Plug and Play
PNP - Positive-Negative-Positive (transistors), 
PO - Polarity On
POC - Point Of Contact
POP - Point Of Presence,  Post Office Protocol
POS - Programmable Option Select
POSIX - Portable Operating System Interface UniX
POST - Power-On Self Test
POTS - Plain Old Telephone Service
PPP - Point to Point Protocol
PQFP - Plastic Quad Flat Package
PRB - Packet Receive Buffer
PRN - PRiNter
PROM - Programmable Read-Only Memory
PS/2 - Personal System /2
PSK - Phase Shift Keying
PSTN - Public Switch Telephone Network
PU - Physical Unit
PVC - Permanent Virtual Circuit,  Poly Vinyl Chloride
QFA - Quick File Access
QIC - Quarter Inch Cartridge
QWERTY - First six letters (upper alphabetical row) of standard U.S. keyboard
R&D - Research and Development
RAID - Redundant Array of Inexpensive Disks
RAM - Random Access Memory
RAMDAC - Random Access Memory Digital-to Analog Converter
RARP - Reverse Address Resolution Protocol
RAS - Row Address Strobe
RAT - Random Access Time
RAW - Read After Write
RBOC - Regional Bell Operating Company
RCDD - Registered Communications Distribution Designer
RCF - Remote Console Facility
REM - REMark (batch file)
RF - Radio Frequency
RFC - Request For Comment
RFI - Radio Frequency Interference
RFP - Request For Proposal
RGB - Red, Green, Blue (color system)
RI - Ring Indicator
RIP - Routing Information Protocol
RISC - Reduced Instruction Set Computing
RIT - Route Information Table
RJE - Remote Job Entry
RLL - Run Length Limited
RLOGIN - Remote LOGIN
RMF - Remote Management Facility
RMON - Remote Monitoring
RPC - Remote Procedure Call
RPM - Revolutions Per Minute
RSA - Rivest-Shamir-Adleman (Encryption Algorithm)
RSI - Repetitive Strain Injury
RTDM - Real Time Data Migration
RTF - Rich Text Format
RTMP - Routing Table Maintenance Protocol 
RTS - Request To Send
RTZ - Return To Zero
RXD - Receive Data
RZ - Return to Zero
SAP - Service Access Point,  Service Advertising Protocol
SBC - Second Bisynchronous Communications
SCSI - Small Computer System Interface
SDH - Synchronous Digital Hierarchy
SDI - Storage Device Interface
SDLC - Synchronous Data Line Control
SDS-56 - Switched Data Services @ 56 Kilobits per second
SEA - Society for Electronic Access
SELV - Safety Extra Low Voltage
SET - Secure Encrypted Transaction
SFT - System Fault Tolerance
SGML - Standard Generalized Markup Language
SIF - Source Input Format
SIG - Special Interest Group
SIMM - Single In-line Memory Module
SIP - Single In-line Pin
SIPP - Single In-line Pin Package
SLED - Stable Large E-mail Database
SLIP - Serial Line Internet Protocol
SMDR - Storage Management Data Requester
SMDS - Switched Megabit Data Service
SMI - System Management Interrupt
SMS - Storage Management Services
SMTP - Simple Mail Transfer Protocol
SNA - Systems Network Architecture
SNADS - SNA Distribution Services
SNAP - Sub-Network Access Protocol
SNMP - Simple Network Management Protocol
SOF - Start Of Frame
SONET - Synchronous Optical NETwork
SP - Slave Present, Step Pulse
SPF - Shortest Path First
SPX - Sequenced Packet Exchange (Protocol)
SQE - Signal Quality Error
SQL - Structured Query Language
SRAM - Static Random Access Memory
SRI - Stanford (University) Research Institute
SSAP - Source Service Access Point
SSCP - System Services Control Point
statTDM - Statistical TDM 
STP - Sheilded Twisted Pair
SVC - Switched Virtual Circuit
SYSOP - SYStem OPerator
TAR - Tape ARchiver (Unix)
TB - Terabyte , a trillion bytes
Tb - Terabit, a trillion bits
TCP - Transmission Control Protocol
TCP/IP - Transmission Control Protocol/Internet Protocol
TDD - Telecommunications Device for the Deaf
TDM - Time Division Multiplexing
TE - Terminator Enable
TFT - Thin Film Transistor
tFTP - trivial File Transfer without Passwords
THX - Tomlinson-Holman eXperiment
TIFF - Tag Image File Format
TIGA - Texas Instruments Graphic Architecture 
TLAP - TokenTalk Link Access Protocol
TLI - Transport Level Interface
TLL - Transfer-Transistor Logic
TN - Twisted Nematic
TP - Terminal Power
TQM - Total Quality Management
TRS-80 - Tandy-Radio Shack model 80
TSA - Target Service Agent
TSR - Terminate-and-Stay-Resident
TTF - TrueType Font
TTL - Transistor-Transistor Logic
TTS - Transactional Tracking System
TV - TeleVision
TXD - Transmit Data
UA - User Agent
UART - Universal Asynchronous Receiver/Transmitter
UCS - User Coordinate System
UDP - User Datagram Protocol
UDT - User Defined Type
UHF - Ultra High Frequency
UIUC - University of Illinois at Urbana-Champaign
UL - Underwriters Laboratories
ULSI - Ultra Large Scale Integration
UMB - Upper Memory Block
UNIVAC - Universal Automatic Computer
UPS - Uninteruptable Power Supply (Source)
URL - Uniform Resource Locator
UTP - Unsheilded Twisted Pair
UUCP - Unix to Unix Copy Program
UUENCODE - Unix to Unix ENCODE
V - Volt
VA - Volt (x) Amp (= watt)
VAFC - VESA Advanced Feature Connector
VAP - Value Added Process
VAR - Value Added Remarketer (Retailer)
VAT - Value Added Tax
VCPI - Virtual Control Program Interface
VCR - Video Cassette Recorder
VDE - Verband Deutscher Electrotechniker
VDT - Video Data Terminal
VERONICA - Very Easy Rodent-Oriented Net-wide Index to Computerized Archives
VESA - Video Electronics Standards Association
VGA - Video Graphics Array
VHF - Very High Frequency
VHS - Video Home System
VHS-C - VHS-Compact
VIP - VLB-ISA-PCI
VL - VESA Local 
VLB - VESA Local Bus
VLF - Very Low Frequency
VLM - Virtual Loadable Module
VLSI - Very Large Scale Integration
VM - VESA Media (Channel)
VMS - Virtual Memory System
VOM - Volt-Ohm Meter
VPDN - Virtual Private Data Network
VR - Virtual Reality
VRAM - Video RAM
VRML - Virtual Reality Modeling Language
VTAM - Virtual Telecommunications Access Method
VTC - Video TeleConferencing
W - Watt
WAIS - Wide Area Information System, Wide Area Information Server
WAN - Wide Area Network
WCS - World Coordinate System
WDN - Wireless Data Network
WELL - Whole Earth 'Lectronic Link
Windows NT - Windows New Technology
WIRE - Womens Information and Resource Exchange
WMF - Windows MetaFile
WORM - Write Once Read Many
WOS - Work station Operating System
WP - Write Protect
WPCOMP - Write PreCOMPensation
WS - Wait State, Wait/Spin
WWIVNet - World War 4 Network
WWW - World Wide Web
WXmodem - Windowed Xmodem
WYSIWYG - What You See Is What You Get
XA - eXtended Architecture
XDR - eXternal Data Representation
Xfer - Transfer
XGA - eXtended Graphics Array
XID - eXchange IDentification
XIP - eXicute In Place
XMS - eXtended Memory Specification
XNP - eXtended Network Protocol
XNS - Xerox Network System
XT - ?
YCC - Y=brightness, C1 & C2=Color signals 1 & 2
ZCAV - Zoned Constant Angular Velocity
ZIP - Zig-zag In-line Pin, PKZIP compressed file format
