A
AAF - Advanced Authoring Format
ACAP - Application Configuration Access Protocol
ACM - Association for Computing Machinery
ACPI - Advanced Configuration and Power Interface
ABIOS - Advanced Basic Input/Output System
ADC - Analog to Digital Converter
ADF - FILE Adapter Definition File
ADPCM - Adaptive Differential Pulse Code Modulation
ADSL - Asymmetric Digital Subscriber Line
AFC - Application Foundation Classes
AGP - Accelerated Graphics Port
AI - Artificial Intelligence
AIFF - Audio Interchange File Format
AIX - Advanced Interactive eXecutive
ALU - Arithmetic Logic Unit
AMD - Advanced Micro Devices
AMMA - Advanced Memory Management Architecture
ANSI - American National Standards Institute
API - Application Program Interface
APM - Advanced Power Management
ARP - Address Resolution Protocol
ASCII - American Standard Code for Information Interchange
ASF - Advanced Streaming Format
ASIC - Application Specific Integrated Circuits
ASP - Active Server Pages
ASPI - Advanced SCSI Programming Interface
AT - Advanced Technology
ATA - AT Attachment
ATM - Asynchronous Transfer Mode
AUI - Attachment Unit Interface
AUX - AUXiliary port
AVI - Audio Video Interleave
AWT - Abstract Windows Toolkit
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B
BASIC - Beginners All-purpose Symbolic Instruction Code
BBS - Bulletin Board System
BCC - Blind Carbon Copy
BCD - Binary Coded Decimal
BFT - Binary File Transfer
BGP - Border Gateway Protocol
BIOS - Basic Input/Output System
BIT - Binary Digit
BLOB - Binary Large OBject
BNC - British National Connector
BPB - BIOS Parameter Block
BPS - Bits Per Second
BRI- Basic-Rate Interface

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C
CAD - Computer Aided Drafting
CADD - Computer Aided Design and Drafting
CAE - Computer Aided Engineering
CAM - Computer Aided Manufacturing
CAV - Constant Angular Velocity
CBIOS - Compatibility Basic Input/Output System
CBT - Computer-Based Training
CCITT - International Consultative Committee for Telephone and Telegraph
CD-R - Compact Disc Recorder
CD-ROM - Compact Disc Read Only Memory
CD-RW - CD-ReWritable disk
CGA - Color Graphics Adapter
CGI - Common Gateway Inteiface
CGM - Computer Graphics Metafile
CHAP - Challenge Handshake Authentication Protocol
CICS - Customer Information Control System
CIDR - Classless Inter-Domain Routing
CIR - Committed Information Rate
CIS - Card Information Structure
CISC - Complex Instruction Set Computing
CLV - Constant Linear Velocity
CMIP - Common Management Information Protocol
CMOS - Complimentary Metal-Oxide Semiconductor
CMRR - Common Mode Rejection Ratio
CMYK - Cyan-Magenta-Yellow-blacK
COFF - Common Object File Format
COM - COMmunications
CPL - Current Privilege Level
CP/M - Control Program for Microprocessors
CPI - Characters Per Inch
CPS - Characters Per Second
CPU - Central Processing Unit
CRC - Cyclical Redundancy Check
CRT - Cathode Ray Tube
CSMA/CD - Carrier Sense Multiple Access with Collision Detection
CSS - Cascading Style Sheets
CSTN - Color Super-Twist Nematic
CTI - Computer-Telephony-Integration
CUA - Common User Access
CUT - Character User Interface
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D
DAC - Digital to Analog Converter
DAO - Data Access Objects
DASD - Direct Access Storage Device
DAT - Digital Audio Tape
DBMS - Database Management System
DCA - Document Content Architecture
DCC- Direct Cable Connection
DCE - Data Communications Equipment
DCOM - Distributed Component Object Model
DCT - Discrete Cosine Transform
DDC - Display Data Channel
DDE - Dynamic Data Exchange
DDS - Digital Data Storage
DES - Data Encryption Standard
DHCP - Dynamic Host Configuration Protocol
DIB - Dual Independent Bus
DIMM - Dual In-Line Memory Module
DIN - Deutche Industrie Norm (German Industrial Norm)
DIP - Dual In-Line Package
DLC - Data Link Control
DLL - Dynamic Link Library
DLP - Digital Light Processing
DLT - Digital Linear Tape
DMA - Direct Memory Access
DMI - Desktop Management Interface
DNS - Domain Name System
DOM - Document Object Model
DOS - Disk Operating System
DP - Data Processing
DPI - Dots Per Inch
DPMI - DOS Protected Mode Interface
DRAM - Dynamic Random Access Memory
DSP - Digital Signal Processing
DSR - Data Set Ready
DSS - Digital Satellite System
DSTN - Double-layer SuperTwist Nematic
DSVD - Digital Simultaneous Voice and Data
DTA - Disk Transfer Area
DTE - Data Terminal Equipment
DTMF - Dual Tone Multi-Frequency
DUN - Dial-Up Networking
DV - Digital Video
DVD - Digital Versatile Disc or Digital Video Disc
DVI - Digital Video Interactive
DW - Data Warehouse
DXF - Data Exchange File
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E
ECP - Extended Capabilities Port
EBBS - Electronic Bulletin Board System
EBCDTC - Extended Binary Coded Decimal Interchange Code
EBDA - Extended BIOS Data Area
ECA - Exchangeable Card Architecture
ECC - Error Correction Code
EDC - Error Detection Code
EDI - Electronic Data Interchange
EEMS - Enhanced Expanded Memory Specification
EEPROM - Electronically Erasable Programmable Read Only Memory
EIA - Electronics Industry Association
EIDE - Enhanced IDE
EISA - Extended Industry Standard Architecture
EGA - Enhanced Graphics Adapter
EMI - ElectroMagnetic Interference
EMB - Extended Memory Block
EMS - Expanded Memory Specification
EO - Erasable Optical disk
EPP - Enhanced Parallel Port
EPROM - Erasable Programmable Read Only Memory
EPS - Encapsulated PostScript
ERP - Enterprise Resource Planning
ESCD - Extended System Configuration Data
ESD - Electronic Software Distribution
ESDI - Enhanced Small Drive Interface
EULA - End-User License Agreement
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F
FAT - File Allocation Table
FAQ - Frequently Asked Question
FAX - Facsimile Transmission
FCC - Federal Communications Commission
FDDI - Fiber Distributed Data Interface
FDHD - Floppy Drive, High Density
FDM - Frequency Division Multiplexing
FDX - Full Duplex
FF - Form Feed
FFS - Flash File System
FIFO - First In First Out
FORTRAN - FORmula TRANslation (a programming language)
FPGA - Field-Programmable Gate Array
FPO - Floating Point Operation(s)
FPU - Floating-Point Unit
FRAD - Frame Relay Assembler/Disassembler
FRAM - Ferroelectric Random Access Memory
FTM - Flat Technology Monitor
FTP - File Transfer Protocol
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G
GB - Gigabyte
GBS - Gigabits Per Second
GDI - Graphical Device Interface
GDT - Global Descriptor Table
GIF - Graphics Interchange Format
GPF - General Protection Fault
GPIB - General Purpose Interface Bus
GPPM - Graphics Pages Per Minute
GUI - Graphical User Interface
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H
HDLC - High-level Data Link Control
HDPT - Hard Disk Parameter Table
HDX - Half Duplex
HGC - Hercules Graphics Card
HIPPI - HIgh Performance Parallel Interface
HLLAPI - High Level Language Application Program Interface
HMA - High Memory Area
HMD - Head-Mounted Display
HPA - High-Performance Addressing
HSM - Hierarchical Storage Management
HTML - HyperText Markup Language
HTTP - HyperText Transfer Protocol
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I
IC - Integrated Circuit
IEEE - Institute of Electrical and Electronic Engineers
IDT - Interrupt Descriptor Table
IFS - Installable File System
I/O - Input/Output
IOPL - Input Output Privilege Level
IPC - Integrated Peripherals Controller
IPL - Initial Program Load
IRC - Internet Relay Chat
IRQ - Interrupt Request
ISA - Industry Standard Architecture
ISO - International Standards Organization
ISP - Internet Service Provider
ISR - Interrupt Service Routine
IT - Information Technology
IV - Interrupt Vector
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J
JDK - Java Development Kit
JEDEC - Joint Electrical Device Engineering Committee
JEIDA - Japan Electronics Industry Development Association
JFT - Job File Table
JPEG - Joint Photographic Experts Group
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K
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L
LAN - Local Area Network
LCC - Leadless Chip Carriers
LDT - Local Descriptor Table
LDM - Limited Distance Modem
LED - Light Emitting Diode
LIFO - Last In First Out
LIM - Lotus/Intel/Microsoft
LPT - Line Printer
LSB - Least Significant Bit
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M
MAP - Multiple Application Programming
MCA - Micro-Channel Architecture
MCB - Memory Control Block
MCGA - MultiColor Graphics Array
MDA - Monochrome Display Adapter
MFM - Modified Frequency Modulation
MGA - Monochrome Graphics Adapter
MIDI - Musical Instrument Digital Interface
MOS - Metal Oxide Semiconductor
MPEG - Motion Pictures Experts Group
MSB - Most Significant Bit
MTBF - Mean Time Between Failures
MTTR - Mean Time To Repair
MUX - Multiplexer
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N
NC - Network Computer
NDIS - Network Device Interface Specification
NDS - Novell Directory Services
NFS - Network File System
NIC - Network Interface Card or Network Information Center
NLQ - Near Letter Quality
NMI - Non-Maskable Interrupt
NMOS - Negative-channel Metal Oxide Semiconductor
NNTP - Network News Transport Protocol
NOS - Network Operating System
NPU - Numeric Processing Unit
NS - NanoSecond
NSAPI - Netscape Server API
NSP - Network Service Provider
NTFS - NT File System
NTSC - National Television Standards Committee
NUMA - Non-Uniform Memory Access
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O
OC - Optical Carrier
OCR - Optical Character Recognition
ODBC - Open DataBase Connectivity
ODI - Open Data-link Interface
OEM - Original Equipment Manufacturer
OLAP - OnLine Analytical Processing
OLE - Object Linking and Embedding
OLTP - On-Line Transaction Processing
OMG - Object Management Group
OOP - Object-Oriented Programming
OOPL - Object-Oriented Programming Language
OPT-ROM - One Time Programmable Read Only Memory
ORB - Optional Retaining Bracket
OS - Operating System
OSF - Open Software Foundation
OSI - Open System Interconnection
OSPF - Open Shortest Path First
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P
PAL - Programmable Array Logic
PAP - Password Authentication Protocol
PBC - Pipeline Burst Cache
PBX - Private Branch Exchange
PC - Personal Computer
PCB - Printed Circuit Board
PCC - Partition Check Code
PCI - Peripheral Component Interconnect
PCL - Printer Control Language
PCM - Pulse Code Modulation
PCMCIA - Personal Computer Memory Card International Association
PCS - Programmable Configuration Select or Personal Communications Service
PDA - Personal Digital Assistant
PDF - Portable Document Format
PEL - Printing Element
PGA - Pin Grid Array
PGP - Pretty Good Privacy
PIF - Program Information File
PII - Pentium II
PIM - Personal Information Manager
PIO - Programmed Input/Output
PKI - Public Key Infrastructure
PLCC - Plastic Leaded Chip Carriers
PLD - Programmable Logic Device
PMOS - Positive-channel Metal Oxide Semiconductor
PNG - Portable Network Graphics
PnP - Plug aNd Play
POP - Post Office Protocol or Point Of Presence
POST - Power-On Self Test
POTS - Plain Old Telephone Service
PPCP - PowerPC Platform
PPM - Pages Per Minute
PPP - Point to Point Protocol
PPTP - Point-to-Point Tunneling Protocol
PROM - Programmable Read Only Memory
PRI - Primary Rate Interface
PSP - Program Segment Prefix
PSTN - Public Switched Telephone Network
PURL - Persistent URL
PVC - Permanent Virtual Circuit
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Q
QCIF - Quarter Common Intermediate Format
QFP - Quad Flat Packs
QIC - Quarter-Inch Cartridge
QoS - Quality of Service
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R
RADIUS - Remote Authentication Dial-In User Service
RAID - Redundant Array of Independent (or Inexpensive) Disks
RAM - Random Access Memory
RAS - Remote Access Services
RBBS - Remote Bulletin Board System
RDBMS - Relational DataBase Management System
RFC - Request For Comments
RFI - Radio Frequent Interference
RFT - Revisable Format Text
RFU - Reserved for Future Use
RISC - Reduced Instruction Set Computing
RLL - Run Length Limited
RMI - Remote Method Invocation
RMON - Remote MONitoring
ROM - Read Only Memory
RORAM - Read-Only Random Access Memory
RPC - Remote Procedure Call
RPG - Report Program Generator
RSIS - Relocatable Screen Interface Specification
RSVP - Resource Reservation Setup Protocol
RTP - Real-time Transport Protocol
RTSP - Real Time Streaming Protocol
RWRAM - Read Write Random Access Memory
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S
SAA - Systems Application Architecture
SAP - Service Advertising Protocol
SCA - Single Connector Attachment
SCSI - Small Computer System Interface
SDH - Synchronous Digital Hierarchy
SDK - Software Development Kit
SDLC - Synchronous Data Link Control
SDSL - Symmetric Digital Subscriber Line
SET - Secure Electronic Transaction
SFT - System File Table
SGML - Standard Generalized Markup Language,
SIG - Special Interest Group
SIMM - Single In-Line Memory Module
SIP - Single In-Line Package
SIPP - Single In-Line Pin Package
SLIP - Serial Line Internet Protocol
SMIL - Synchronized Multimedia Integration Language
SMB - Server Message Block
SMDS - Switched Multimegabit Data Services
SMP - Symmetric MultiProcessing
SMS - Systems Management Server
SMT - Surface Mount Technology
SMTP - Simple Mail Transport Protocol
SNA - Systems Network Architecture
SNMP - Simple Network Management Protocol
SOHO - Small Office/Home Office
SOJ - Small-Outline J-lead
SOM - System Object Model
SPARC - Scalable Processor ARChitecture
SPEC - Standard Performance Evaluation Corporation
SPID - Service Profile Identifier
SRAM - Static Random Access Memory
SPT - Sectors Per Track
SPX - Sequenced Packet eXchange
SQL - Structured Query Language
SSI - Server-Side Include
SSL - Secure Sockets Layer
STDIN - Standard Input
STDOUT - Standard Output
STRERR - Standard Error output
SVC - Switched Virtual Circuit
SYSOP - SYStem OPerator
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T
TA -Terminal Adapter
TAPI - Telephony Application Programming Interface
TcL - Tool Command Language
TCO - Total Cost of Ownership
TCP/IP - Transmission Control Protocol / Internet Protocol
TDM - Time Division Multiplexing
TDMA - Time Division Multiple Access
TFT - thin film transistor
TFTP - Trivial File Transfer Protocol
TIFF - Tagged images File Format
TIGA - Texas Instruments Graphics Architecture
TLB - Translation Look-aside Buffer
TLD - Ttop-Level Domain
TNEF - Transport Neutral Encapsulation Format
TOPS - Transparent Operating System
TOS - Tape Operating System
TPA - Transient Program Area
TPI - Tracks Per Inch
TPL - Tuple
TSAPI - Telephony Server API
TSOP - Thin Small-Outline Package
TSR - Terminate and Stay Resident
TSS - Task State Segment
TTL - Transistor-Transistor Logic
TWAIN - Technology (or Toolkit) Without An Interesting Name
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U
UAE - Unrecoverable Application Error
UART - Universal Asynchronous Receiver-Transmitter
UDA - Universal Data Access
UDMA - Ultra DMA
UDP - User Datagram Protocol
UMB - Upper Memory Block
UML - Unified Modeling Language
UNC - Universal Naming Convention or Uniform Naming Convention
UPS - Uninterruptible Power Supply
URL - Uniform Resource Locator
USB - Universal Serial Bus
UTP - Unshielded Twisted Pair
UUCP - Unix-to-Unix Copy
UV-EPROM - Ultra-Violet light Erasable Programmable Read Only Memory
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V
VAR - Value-Added Reseller
VAX - Virtual Address eXtension
VB - Visual Basic
vBNS - very high-speed Backbone Network Service
VBX - Visual Basic custom control
VCPI - Virtual Control Program Interface
VDT - Video Display Terminal
VDU - Visual Display Unit
VESA - Video Equipment Standard Association
VFAT - Virtual File Allocation Table
VFC - Voltage to Frequency Converter
VGA - Video Graphics Array
VLB - VESA Local-Bus
VLSI - Very Large Scale Integrated
VMS - Virtual Memory System
VOD - Video-on-Demand
VOIP - Voice Over IP
VON - Voice on the Net
VPN - Virtual Private Network
VRAM - Video Random Access Memory
VRM - voltage regulator module
VRML - Virtual Reality Modeling Language
VSAM - Virtual Sequential Access Method
VTAM - Virtual Telecommunications Access Method
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W
W3C - World Wide Web Consortium
WAIS - Wide Area Information Servers
WAN - Wide Area Network
WDM - Wavelength Division Multiplexing
WIMP - Windows, Icons, Menus and Pointing device
WINS - Windows Internet Naming Service
WMF - Windows Metafile Format
WOM - Write Only Memory
WORM - Write Once Read Many
WS - Wait State
WWW - World Wide Web
WYSIWYG - What You See Is What You Get
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X
XGA - eXtended Graphics Array
XML - eXtensible Markup Language
XMM - eXtended Memory Manager
XMS - eXtended Memory Specification
X-ON/X-OFF - Transmitter On/Transmitter Off
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Y
Y2K - Year 2000
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Z
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