A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A Ampere
a atto
A/D Analog to Digital
A/P Accounts Payable
A/R Accounts Receivable
AA Auto Answer
AA Automobile Association
AA Alcoholics Anonymous
AAB All to All Broadcast
AAP Applications Access Point
AAS All-to-All Scatter
AASP ASCII Asynchronous Support Package
AAT Average Access Time
ABC Atanasoff-Berry Computer
ABEND Abnormal End
ABI Application Binary Interface
ABIOS Advanced BIOS
ABIST Automatic Built-In Self-Test
ABLE Adaptive Battery Life Extender
ABR Available Bit Rate
ABRS Automated Book Request System
ABS Absolute
ABT Abort
ABTS ASCII Block Terminal Services
AC Automatic Computer
AC Alternating Current
AC3 ATSC-Digital Audio Compression Standard
ACC Accumulator
ACD Automated Call Distribution
ACDI Asynchronous Communications Device Interface
ACE Advanced Computing Environment
ACE Adverse Channel Enhancements
ACE Automatic Computing Engine
ACF Access Control Field
ACF Advanced Communications Function
ACH Automated Clearing House
ACIAS Automated Calibration Interval Analysis System
ACIS American Committee for Interoperable Systems
ACK Acknowledgment
ACL Access Control List
ACM Association for Computing Machinery
ACM Audio Compression Manager
ACMS Application Control Management System
ACP Ancillary Control Program + Auxillary Control Process
ACROSS Automated Cargo Release and Operations Service System
ACS Access Control Set
ACS Access Control System
ACS Asynchronous Communication Server
ACTS Automated Computer Time Service
ACTT Advanced Communication and Timekeeping Technology
ACU Automatic Calling Unit
ADA Automatic Data Acquisitions +
ADB Auxiliary Data Block
ADB Apple Desktop Bus
ADC Adaptive Data Compression (protocol)
ADC Add with Carry
ADC Analog to Digital Converter
ADCCP Advanced Data Communication Control Procedures
ADCS Advanced Document Control System
ADD Automatic Document Detection
ADF Automatic Document Feeder
ADF Adapter Description File
ADG Auxiliary Data Groups
ADI AutoCad Device Interface
ADL Address Data Latch
ADLAT Adaptive Lattice Filter
ADLC Adaptive Lossless Data Compression
ADLC Asynchronous Data Link Control
ADMACS Apple Document Mangagement And Conrol System
ADMD Administrative Management Domain
ADN Add In Utility
ADP Auxiliary Data Prefix
ADP Automatic Data Processing
ADPCM Adaptive Differential Pulse Code Modulation
ADR Address
ADS Application Development Solutions
ADS Application Development System
ADS Automatic Distribution System
ADSC Address Status Changed
ADSL Asymmetrical Digital Subscriber Line
ADSR Attack, Decay, Sustain, Release
ADT Application Data Types
ADU Automatic Dialing Unit
AE Above or Equal
AEB
AF Adaption Field
AF Auxiliary carry Flag
AFA Accelerated File Access
AFC Automatic Font Change
AFD Automatic File Distribution
AFID Auxiliary Field IDentifier
AFII Association for Font Information Interchange
AFIRM Automated Fingerprint Image Reporting and Match
AFIS Automated Fingerprint Identification System
AFM Adobe Font Metrics
AFP Appletalk Filing Protocol
AFS Auxiliary Field Size
AFS Andrew File System
AFTP Anonymous File Transfer Protocol
AGC Automatic Gain Control
AGRAS Antiglare, Antireflective, Antistatic
AI Analog Input
AI Artificial Intelligence
AIA Applications Integration Architecture
AIC AIXwindows Interface Composer
AIF Audio Interchange Format
AIIM Association for Information and Image Management
AIN Advanced Intelligent Network [Bell Atlantic]
AISB Association of Imaging Service Bureaus
AISP Association of Information Systems Professionals
AIX Advanced Interactive Executive [IBM]
ALC Arithmetic Logic Circuits
ALC Automatic Level Control
ALE Address Latch Enable
ALGOL Algorithmic Oriented Language
ALIBI Adaptive Location of Internetworked Bases of Information
ALIWEB Archie Like Indexing in the Web
ALN Asynchronous Learning Network
ALR Advanced Logic Research, Inc.
ALT Alternate (mode)
ALU Arithmetic Logic Unit
AMANDDA Automated Messaging and Directory Assistance
AMD Active Matrix Display
AMD Advanced Micro Devices
AMI American Megatrends
AMMA Advanced Memory Management Architecture
AMP Activly Managing Performance
AMPS Advanced Mobile Phone Service
ANCOVA Analysis of Covariance
ANI Automatic Number Identification
ANI Animated Cursor
ANN Artificial Neural Network
ANN Annotations
ANOVA Analysis Of Variance
ANSI American National Standards Institute
AO Advertisement Object
AO Analog Output
AOCE Apple Open Collaboration Environment
AOE Application Operating Environment
AOL America Online
AOS Add Or Subtract
AP Adjunct Processor
AP Application Processor
APA Adaptive Packet Assembly
APA All Points Addressable
APA Arithmetic Processing Accelerator
APAR Authorized Program Analysis Report
APAREN Address Parity Enable
APCUG Association of PC User Groups
APG Advanced Program Guide
APGS Advanced Program Guide Generator System
API Application Programmable Interface
API Application Program Interface
APIC Advanced Programmable Interrupt Controller
APIS Advanced Passenger Information System
APM Advanced Power Management
APP Application
APPC Advanced Program-to-Program Communications [IBM]
APPI Advanced Peer-to-Peer Internetworking
APPN Advanced Peer-to-Peer Networking
APRP Adaptive Pattern Recognition Processing
APS Analog Protection System
APS Asynchronous Protocol Specification
APSE ADA Programming Support Environment
APT Address Pass Through
APT Advanced Parallel Technology
APT Automatically Programmed Tools
ARA AppleTalk Remote Access
ARAG Antireflective,Antiglare
ARAS Antireflective,Antistatic
ARC Archive
ARCA Advanced RISC Computing Architecture
ARCnet Attached Resource Computer Network
ARL Adjusted Ring Length
ARLL Advanced Run Length Limited
ARM Advanced RISC Machine (processor)
ARM Annotated Reference Manual
ARM Asynchronous Response Mode
ARMA Association of Records Managers and Administrators
ARP Address Resolution Protocol
ARPANET Advanced Research Projects Agency Network
ARPL Adjust Requested Privilege Level
ARQ Automatic Repeat Request
ARTA Apple Real Time Architecture
ARTIC A Real-Time Interface Copressor
ARTS Asynchronous Remote Takeover Server
ARTT Asynchronous Remote Takeover Terminal
ARU Audio Response Unit
AS Autonomous System
AS3AP ANSI SQL Standard Scalable and Portable
ASAP As Soon As Possible
ASAP Automatic Switching And Processing
ASC ASCII text
ASCII American Standard Code for Information Interchange
ASE Automatic Section Engine
ASIC Application-Specific Integrated Circuit
ASIT Advanced Security and Identification Technology
ASL Adaptive Speed Levelling
ASM Assembler Source Module
ASMP Asymmetric Multprocessing
ASN Autonomous System Number
ASP Association of Shareware Professionals
ASPI Advanced SCSI Programming Interface
ASPS Advanced Signal Processing System
ASR Address Space Register
ASR Automatic Send-Receive
ASR Automatic Speech Recognition
ASYNC Asynchronous
AT Advanced Technology
AT&T American Telephone and Telegraph
ATA AT Attachments
ATAPI ATA Procedural Interface
ATDP Attention Dial Pulse
ATDT Attention Dial Tone
ATE Automated Test Equipment
ATG Advanced Technology Group
ATH Attention Hang-Up
ATM Adobe Typeface Manager
ATM Asynchronous Transfer Mode
ATM Automated Teller Machine
ATPS AppleTalk Printing Services
ATR Automatic Terminal Recognition
ATS Administrative Terminal System
ATS Apple Terminal Services
ATSC Advanced Television Systems Committee
ATTN Attention
ATTRIB Attribute
ATZ Attention Restore
AU Access Unit
AU Audio
AUDIT Automated Data Input Terminal
AUI Attachment Unit Interface
AUP Acceptable Use Policy
AUTO Automatic
AUTOEXEC Automatic Execution
AUX Auxiliary
AV Audio/Video
AVA Audio Visual Authoring
AVC Audio Visual Connection
AVG Average
AVI Audio Visual Interleave
AVR Automatic Voice Recognition
AWG American Wire Gage
AWK Al Aho, Peter Weinberger and Brian Kernighan
AWS Advanced Workstations and Systems (group)
AX Architecture Extended
AX Automatic Transmission
b bit
B byte
B/F Background/Foreground
B2X Binary To Hexadecimals
BAK Binary Adaptation Kit
BAK Backup
BAL Basic Assembly Language
BALUN Balanced Unbalanced
BAM Boyan Action Module
BARTS Bell Atlantic Regional Timesharing
BAS Basic Language
BASIC Beginner's All-purpose Symbolic Instruction Code
BASM Built-In Assembler
BAT Bouquet Association Table
BAT Block Address Translation
BAT Batch Processing
BB Bundle Boundary
BBS Bulletin Board System
BCC Block Check Character
BCD Binary Coded Decimal
BCe Blind Carbon Copy
BCL Batch Command Language
BCP Bulk Copy Program
BCPL Basic Computer Programming Language
BCR Byte Count Register
BCS British Computer Society
BCS Bar Code Sorter
BDA Bios Data Area
BDOS Basic Disk Operating System
BDR Bus Device Request
BE Below or Equal
BEL Bell
BELLCORE Bell Communications Research
BEO Boot Event Object
BER Bit Error Rate
BERT Bit Error Rate Test/Tester
BF Bad Flag
BFF Binary File Format [IBM]
BFT Binary File Transfer
BGA Ball Grid Array
BGE Branch if Greater or Equal
BGI Borland Graphic Interface
BGP Border Gateway Protocol
BGT Branch if Greater Than
BHI Branch if Higher
BHIS Branch if Higher or Same
BI Binary Input
BIB Bibliography
BiDi Bi-Directional
BIM Beginning of Information Marker
BIN Binary
BINAC Binary Automatic Computer
BIOS Basic Input/Output System
BIPM Bureau International des Poids et Mesures
BIS Business Information System
BISDN Broadband Integrated Services Digital Network
BIST Built-In Self-Test
BiSYNC Binary Synchronous Communications
BITNET Because It's Time Network
BITNIC BITNET Network Information Center
BIU Bus Interface Unit
BIX Byte Information Exchange
BKSP Backspace
BL Backlit
BLAST Blocked Asynchronous Transmission
BLE Branch if Less or Equal
BLER Block Error
BLK Block
BLMC Buried Logic Macrocell
BLOB Binary Large Object
BLOS Branch if Lower Or Same
BMI Branch if Minus
BMIC BusMaster Interface Controller
BMP Basic Mapping Support
BMP Batch Message Processing Program
BMP Bitmap Picture
BNC Bayonet Neill-Concelman
BNC Branch if Not Carry
BNE Branch if Not Equal
BNS Backbone Network Service
BO Boot Object
BO Binary Output
BoB Break-out Box
BOC Basic Operator Console
BOM Bill Of Materials
BOM Beginning Of Message
BOOTP Bootstrap Protocol
BOPS Billion Operations Per Second
BOS Basic Operating System
BOT Beginning Of Table
BOT Beginning of Tape
BP Base Pointer
BPB BIOS Parameter Block
BPI Bits Per Inch
BPL Branch if Plus
BPS Bits Per Second
BPS Bytes Per Second
BR Bad Register
BRGC Binary Reflected Gray Code
BRI Basic Rate Interface
BRI Brain Response Interface
BS British Standards
BS Backspace
BSAM Basic Sequential Access Method
BSC Binary Synchronous Communication
BSC Boyan Script
BSc Bachelor of Science
BSD Berkely Software Distribution
BSD Berkely Standard Distribution
BSF Bit Scan Forward
BSI British Standards Institute
bslbf bit serial, left most bit first
BSR Bit Scan Reverse
bss Block Started by Symbol
BSY Busy
BSYNC Binary Synchronous Communications
BT Bit Test
BTAM Basic Telecommunications Access Method [IBM]
BTB Branch Target Buffer
BTC Bit Test and Complement
BTOA Binary To ASCII
BTP Batch Transfer Program
BTR Bit Test and Reset
BTS Bit Test and Set
BU Branch Unit
BUBL Bulletin Board for Libraries
BUF Buffer
BWM Block-Write Mode
c centi
C&T Chips and Technologies
C/D Control Data
C/S Client/Server
C2X Character To Hexadecimal
CA Conditional Access
CA Collision Avoidance
CAD Computer Aided Design
CADD Computer Aided Design and Drafting
CADE Client/server Application Development Environment
CAE Client Application Enabler
CAE Common Applications Environment
CAE Computer Aided Engineering
CAG Column Address Generator
CAI Computer Aided Instruction
CAL Calendar
CAL Computer Aided Learning
CAM Conditional Access Module
CAM Content Addressable Memory
CAM Control Access Message
CAM Common Access Method
CAM Computer Aided Manufacturing
CAMC Conditional Access Management Center
CAN Cancel
CAP Conditional Access Packet
CAP Carrierless Amplitude and Phase-Modulation
CAP Central Arbitration Point
CAP Communication Application Platform
CAP Computer Aided Publishing
CAPD Computing To Assist Persons With Disabilities
CAPS Capitals
CAPS Cassette Programming System
CARL Colorado Alliance of Research Libraries
CAS Column Address Select
CAS Communications Application Specification
CAS Computer Aided Styling
CASE Computer Aided Software Engineering
CASL Crosstalk Application Scripting Language
CASS Computer Assisted Search Service
CASSIS Classified and Search Support Information System
CAT Conditional Access Table
CAT Computer Aided Testing
CAT Computer Aided Tomography
CAT Computer Aided Transcription
CAT Concatenate
CATS Computer Assisted Training System
CATV Community Antenna Television
CAU Controlled Access Unit
CAV Constant Angular Velocity
CBC Cipher Block Chaining
CBCR Channel Byte Count Register
CBEMA Computer and Business Equipment Manufacturers Association
CBGA Ceramic Ball Grid Array
CBI Computer Based Instruction
CBL Computer Based Learning
CBL COBOL source code (file name extension)
CBMS Computer-Based Mail System
CBR Constant Bit Rate
CBT Computer Based Training
CBW Convert Byte to Word
CBX Computer-Controlled Branch Exchange
CC Continuity Counter
CC Cluster Controller
CCD Charged-Coupled Device
CCFT Cold Cathode Fluorescent Tube
CCI Common Client Interface
CCITT Comite Consultatif International Telegraphique et Telephonique
CCL Connection Control Language
CCP Console Command Processor
CCS Common Command Set
CCS Common Communications Services
CCS Common Communications Support
CCS ontinuous Composite Servo
cd Candela
CD Compact Disk
CD Carrier Detect
cd Change Directory
CD Collision Detection
CD Color Display
CD+G Compact Disk + Graphics
CD-DA Compact Disk - Digital Audio
CD-I Compact Disk - Interactive
CD-MO Compact Disk - Magneto Optical
CD-R Compact Disk - Recordable
CD-RDx Compact Disk - Read Only Memory Data Exchange Standard
CD-ROM Compact Disk - Read Only Memory
CD-RTOS Compact Disk - Real Time Operating System
CD-V Compact Disk - Video
CD-WO Compact Disk - Write Once
CD-XA Compact Disk - Extended Architecture
CDA Compound Document Architecture [DEC]
CDC Control Data Corporation
CDDA Compact Disk Digital Audio
CDDI Copper Distributed Data Interface
CDE Common Desktop Environment
CDE Complex Data Entry
CDFS
CDIA Certified Document Imaging Architect
CDL Computer Design Language
CDMA Code Division Multiple Access
CDMF Commercial Data Masking Facility
CDOS Concurrent Disk Operating System
CDPD Cellular Digital Packet Data
CDR Call Detail Record
CDR Call Detail Recording
CDRL Contract Data Requirements List
CDS Component Delivery System
CDS Current Directory Structure
CE Cache Enable
CE Chip Enable
CE Collision Elimination
CE Convert Enable
Ce: Carbon Copy
CEG Continuous Edge Graphics
CEI Conducted Electromagnetic Interference
CEMS Constituent Electronic Mail System
CEOP Conditional End Of Page
CERN Conseil European pour la Recherche Nucleaire
CERT Computer Emergency Response Team
CF Control Flag
CFB Cipher Feedback
CFB Configurable Function Block
CFF Current Field Flag
CFG Configuration
CFR Computerized Facial Recognition
CFS Common File System
CFV Call For Votes
CGA Color Graphics Adapter
CGE Common Graphics Environment
CGI Common Gateway Interface
CGI Computer Generated Images
CGI Computer Graphics Interface
CGMS Copy Guard Management System
CGMS_A Analog Copy Guard Management System
CGMS_D Digital Copy Guard Management System
CGMS_HDA High Definition Analog Copy Guard Management System
CGPM Conférence Générale des Poids et Mesures
CHAP Challenge Authentication Protocol
CHAR Character
CHAT Conversational Hypertext Access Technology
CHCK Channel Check
CHCP Change Code Page
CHR Character
CHRP Common Hardware Reference Platform
CHS Cylinder Head Sector
CIA Current Instruction Address
CIA Central Investigation Agency
CICS/VS Customer Information Control System/Virtual Storage [IBM]
CID Configuration/Installation/Distribution
CIDR Classless Interdomain Routing
CIF Common Interchange/Intermediate Format
CIF Customer Information Feed
CIL Configuration Items List
CIM CompuServe Information Manager
CIM Computer Integrated Manufacturing
CIO Chief Information Offier
CIOCS Communication Input/Output Control System
CIP Command Interface Port
CIPM Comité International des Poids et Mesures
CIR Committed Information Rate
CIRC Circular Reference
CIS Card Information Structure
CIS Client Information System
CIS CompuServe Information Service
CIS Computer Information Systems
CIS Contact Image Sensor
CIS Customer Information System
CISC Complex Instruction Set Computing
CIT Computer-Integrated Telephony
CIX Commercial Internet Exchange
CIX Compulink Information Exchange
CJLI Command Job Language Interpreter
CKD Count Key Data (device)
CLAR Channel Local Address Register
CLASS Client Access to Systems and Services
CLASS Cooperative Library Agency for Systems and Services
CLC Clear Carry Flag
CLD Clear Direction Flag
CLI Call-Level Interface
CLI Clear Interrupt Flag
CLI Command Line Interface
CLIST Command List
CLK Clock
CLNP Connectionless Network Protocol
CLO Cluster Object
CLP Cell Loss Priority
CLP Constraint Logic Programming
CLS Clear Screen
CLTP Connectionless Transport Protocol
CLTS Clear Task Switch Flag
CLUI Command Line User Interface
CLUT Colour Look Up Table (colour palette)
CLV Constant Linear Velocity
cm Centimeter
CM Control Mark
CM Corrective Maintenance
CMA Concert Multi-thread Architecture
CMC Common Mail Calls
CMC Common Messaging Calls
CMC Communication Mangement Configuration
CMC Computer-Mediated Communication
CMF Creative Music Format
CMG Configuration Management Guide
CMIP Common Management Information Protocol
CMIS Common Management Information Services/System
CML Conceptual Modelling Language
CML Computer Managed Learning
CML Current Mode Logic
CMM Capability Maturity Model
CMMS Computerized Maintenance Management Software
CMMU Cache/Memory Management Unit
CMO Cable Mapping Object
CMOS Complementary Metal-Oxide Semiconductor
CMOV Conditional Move
CMP Configuration Management Procedures
CMP Compare
CMP Computer
CMPS Compare word String
CMS Code Management System
CMS Compiler Monitor System
CMS Conversation Monitor System
CMVC Configuration Management Version Control
CMW Compartmented Mode Workstation
CMY Cyan-Magenta-Yellow
CMYK Cyan-Magenta-Yellow-Black
CNA Certified NetWare Administrator
CNAPS Co-Processing Node Architecture for Parallel Systems
CNC Computerized Numerical Control
CNE Certified NetWare Engineer
CNG Calling (tone)
CNI Certified Novell Instructor
CNIDR Clearinghouse for Network Information and Discovery and Retrieval
CNIDR Clearinghouse for Networked Information and Retrieval
CNN Composite Network Node
CNO Conditional Object
CNSS Core Nodal Switching Subsystem
CNVT Convert
CNX Certified Network Expert
CO Channel Object
CO Central Office
CO Command Output
CO Convert Out
COB Chip-On-Board
COBOL Common Business-Oriented Language
CODASYL Conference on Data System Languages
CODE Client-Server Open Development Environment
CODEC Coder/Decoder
CODEC Compression/Decompression
COEM Commercial Original Equipment Manufacturer
COFF Common Object File Format
COGO Coordinate Geometry
COL Collision
COL Computer Oriented Language
COLD Computer Output to Laser Disk
COLL Collision
COM Component Object Model
COM Common Object Model
COM Communications
COMDEX Computer Dealers Exposition
COMET Cornell Macintosh Terminal Emulator
COMP Compare
COMSAT Communications Satellite Corporation
CON Console
COND Condition
CONFIG Configuration
CONS Connection-Oriented Network Service
CONTONE Continuous Tone
CORBA Common Object Request Broker Architecture
CoREN Corporation for Research and Enterprise Network
COS Compatible Operating System
COSE Combined Office Standard Environment
COSE Common Open Software/Systems Environment
COSMIC Computer Software Management and Information Center
COSMOS Computer System for Mainframe Operations
COTS Commercial Off-The-Shelf
CP Copy Protected
CP/M Control Program for Microcomputers
CPA Certified Public Accountant
CPC Constant Point Calculation
CPCS Check Processing Control System
CPE Central Processing Element
CPE Customer Premise Equipment
CPE Customer Provided Equipment
CPG Clock Pulse Generator
CPI Characters Per Inch
CPI Clock Per Instruction
CPI Common Programming Interface
CPI-C Common Programming Interface for Communications
CPL Current Privilege Level
CPS Characters Per Second
CPS Cycles Per Second
CPT Command Pass Through
CPU Central Processing Unit
CR Carriage Return
CRAM Cyberspatial Reality Advancement Movement
CRC Cyclic Redundancy Check
CREN Computer Research Education Network
CREN Corporation for Research and Education Networking
CRF Cable Retransmission Facility
CRF Cross Reference File
CRI Color Reproduction Indices
CROM Control Read Only Memory
CRT Cathode Ray Tube
CRTC CRT Controller
CS Control Sync
CS Chip Select
CS Clear to Send
CS Code Segment
CSA Common Scrambling Algorithm
CSA Calendaring and Scheduling API
CSAR Channel System Address Register
CSC Customer Service Center
CSD Corrective Service Diskette
CSDS Packet Switched Data Service
CSE Certified System Engineer
CSFI Communication Subsystem For Interconnection
CSG Constructive Solid Geometry
CSG Consulting Services Group
CSI Command Sequence Introducer
CSI CompuServe Incorporated
CSL Computer Sensitive Language
CSLIP Compressed Serial Line Interface Protocol
CSM Communications Services Manager
CSMA/CA Carrier Sense Multiple Access/with Collision Avoidance
CSMA/CD Carrier Sense Multiple Access/with Collision Detection
CSMS Customer Support Management System
CSN Card-Select Number
CSNET Computer Science Network
CSO Category System Object
CSO Central Services Organization
CSP Certified Systems Professional
CSP Commercial Subroutine Package
CSP CompuCom Speed Protocol
CSPDN Circuit Switched Public Data Network
CSS Continuous System Simulator
CSS Contact Start-Stop
CSSM Channel to Segment Service Map
CSSM Client-Server Systems Management
CSTA Computer-Supported Telephony Applications
CSU Channel Service Unit
CSV Comma-Separated Value/Variable
CTB Cipher Type Byte
CTC Channel To Channel
CTCP Client-To-Client Protocol
CTI Computer-Telephone Integration
CTOS Computerized Tomography Operating System
CTOS Convergent Technologies Operating System
CTPA Coax-to-Twisted-Pair Adapter
CTRL Control
CTS Component Test Spec.
CTS Clear To Send
CTSS Compatible Time Sharing System
CUA Common User Access
CUB Cursor Backward
CUD Cursor Down
CUF Cursor Forward
CUI Character-Oriented User Interface
CUI Common User Interface
CUP Cursor Position
CUPID Completely Universal Processor I/O Design
CUT Control Unit Terminal
CUTE Clarkston University Terminal Emulator
CUU Cursor Up
CVF Compressed Volume File
CVGA Colour Video Graphics Array
CVIA Computer Virus Industry Association
CVT Convert
CWD Convert Word to Double Word
CWD Change Working Directory
CWIS Campus Wide Information Service/System
CWIS Community Wide Information Service/System
CWP encryption Control Word Packet
CYL Cylinder
CYMK Cyan-Yellow-Magenta-Black
d deci
da deka
DAP Data Application Packet
DBS Direct Broadcast Satellite
DENC Digital ENCoder
DES Data Encryption Standard
DIP Description Information Parcel
DIP Dual Inline Package
DMA Designated Marketing Area
DMA Direct Memory Access
DO Deletion Object
DOS Design Objectives Spec.
DSM Digital Storage Medium
DSS Digital Satellite Service
DSS Department of Social Security
DST Daylight Saving Time
DTS Decoding Time Stamp
DTS Digital Theatre System
DTV DirecTv
DTV Digital Television
DVB Digital Video Broadcasting
DVB-C Digital Video Broadcasting - Cable
DVB-RC Digital Video Broadcasting - Return channel
DVB-S Digital Video Broadcasting - Satellite
DVB-SC Digital Video Broadcasting - Satellite over cable
DVB-T Digital Video Broadcasting - Terrestrial
DVD Digital Versitile Disc
DVD Digital Video Disc
DVD Digital Video Division
DVDiv Digital Video Division
DVHS Digital VHS
E exa
EBCDIC Extended Binary Coded Decimal Interchange Code
EC Entertainment Consultant
ECM Entitlement Control Message
EIA Elecetonics Industry Association (USA)
EIT Event Information Table
EMI Electical Musical Industries
EMI External Memory Interface
EMM Entitlement Management Message
EN European Norm
EOF End Of Frame
EOF End Of File
EPG Electronic Programme Guide
ES Elemental Stream
ESCR Elemental Stream Clock Reference
ETS European Telecommunication Standard
ETSI European Telecommunication Standards Institute
f femto
FEC Forward Error Correction
FIFO First In First Out
FMI Flash Memory Interface
FSS Fixed Satellite Service
G giga
G/T Gain/Temperature
GDP Graphics Display Processor
GMT Greenwich Mean Time
GPS Global Positioning System
h hecto
HAS Hardware Architecture Spec.
HCS Hardware Component Spec.
HD Header Designator
HD High Definition
HDD Hard Disk Drive
HDTV High Definition TeleVision
HO HTTP Object
HP Horizontal Polarisation
HP Hewlet Packard
HTML HyperText Markup Language
HTTP HyperText Transfer Protocol
Hz Hertz
IBM International Business Machines
IC Integrated Circuit
ICAM Integrated Conditional Access Module
ICD Interface Control Document
ID IDentity
IF Intermediate Frequency
IM InterModulation
IPPV Impulse Pay-Per-View
IR Infrared
IRD Integrated Receiver/Decoders
ISO International Organisation for Standardisation
K Kelvin
k kilo
Kb 1024 bits
KB 1024 bytes
KDE K Desktop Environment
kg Kilogram
Km Kilometer
LBA Logical Block Address
LHCP Left Hand Circular Polarization
LMI Local Memory Interface
LNB Low Noise Block
LO Local Oscillator
LPCM Linear Pulse Coded Modulation
m Meter
M mega
m milli
Mb 1048576 bits (1024*1024)
MB 1048576 bytes (1024*1024)
MEF Media Error Field
mm Millimeter
MMU Memory Management Unit
MO Marker Object
mol mole
MPAA Motion Picture Association of America
MPEG Moving Prictures Experts Group
MPG Master Program Guide
MPT Multi-Packet Transport
n nano
NAO Network Affiliate Object
NCITS National Committe on Information Technology Standards
NCN Non-Conformance Notice
NDS News Data Systems Inc.
NIO Name ID Object
NIT Network Information Table
NPC New Product Committee
NPP New Project Proposal
NPR New Project Request
NR Not Rated
NSO Name System Object
NTSC National Television Standards Committe
NVRAM Non-Volatile Random Access Memory
ODU Outdoor Unit
OLC On Line Community
OPCR Original Program Clock Reference
OPPV Order-ahead Pay-Per-View
OS Operating System
OSD On-Screen Display
OST Objectives, Strategy and Tactics review
P peta
p pico
PAD Program Associated Data
PAT Program Allocation Table
PCM Pulse Code Modulation
PCR Program Clock Reference
PCS Project Control System
PDS Preliminary Data-Sheet
PES Packetised Elemental Stream
PF Packet Framing
PF Project Folder
PG Program Guide
PG Pattern Generation
PGGS Program Guide Generating System
PID Packet IDentifier
PIO PIP Object
PIP Program Information Parcel
PIP Purchase Information Parcel
PMT Program Map Table
PO Program Object
PPV Pay-Per-View
PQP Project and Quality Plan
PRB Project Review Board
PS Project Schedule
PSI Program Specific Information
PSIP Program and System Information Protocol
PSP Pseudo-Sync Pulse
PTI Programable Transport Interface
PTS Presentation Time Stamp
PU Presentation Unit
PUSI Payload Unit Start Indicator
QEF Quasi Error Free
QMS Quality Management System
RASP Random Access Scrambled stream Protocol
RCH Remote Control Handset
RF Radio Frequency
RG Request-Grant protocol
RGB Red/Green/Blue
RGV Request-Grant-Valid protocol
RH Redundant Header
RHCP Right Hand Circular Polarization
RSO Rating System Object
RST Running Status Table
RTFM Read The F***ing Manual
RTS Reference Time Stamp
s Second
S/PDIF Sony/Philips Digital Interface
SCID Service Channel IDentifier
SCR Silicon Controlled Rectifier
SCR System Clock Reference
SCTE Society of Cable Telecommunications Engineers
SDI Serial Digital Interface
SDT Service Description Table
SI International System (of Units)
SI System Information
SI Service Information
SMI Shared Memory Interface
SO Schedule Object
SOF Start Of Frame
SOP Standard Operating Procedures
SPG Special Program Guide
SPI Service Paradigm Indicator
SPO Service Paradigm Object
ST Stuffing Table
ST STMicroelectronics
STAPI ST Application Programmable Interface philosophy
STAUD ST AUDio Driver
STB Set Top Box
STC System Time Clock
STD Standard Target Decoder
STS Subscriber Terminal System
T tera
TAP Test Access Port
TBD To Be Determined
TBR To Be Reviewed
TBS To Be Specified
TC Transport Controler
TDT Time and Date Table
TID Table IDentifier
TLA Three Letter Acronym
TLS Time Logging System
TO Time Object
TP Transport Packet
TPAw Team Performance Awareness
TPID Transport Packet IDentifier
TQM Total Quality Management
TS Transport Stream
TSID Transport Stream IDentifier
TV Television
TVCT ATSC Terrestrial Virtual Channel Table
u micro
UART Universal Asynchronous Receiver Transmiter
UHF Ulta High Frequency
uimsbf unsigned integer, most significant bit first, network byte order
ULO Update List Object
UM User Manual
URL Universal Resource Locator
USA United State of America
UTC Universal Coordinated Time
VHF Very High Frequency
VO Vendor Object
VP Vertical Polarisation
VTG Video Timing Generator
www World Wide Web
XML eXtended Markup Language
XTV eXtended Television
Y yotta
y yocto
YUV Luminance and colour-difference signals in component video systems
Z zetta
z zepto
ZO ZIP Code Object

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