| A |
Ampere |
| ABI |
Application Binary Interface- Specification for hardware
platform and operating system
|
| ABR |
Available Bit Rate traffic - ATM networking level |
| ABR |
AutoBaud Rate detect |
| AC |
Alternating Current. Also Audio Codec. |
| ACD |
Automatic Call Distribution - Routing of an incoming
telephone call to next available operator
|
| ACE |
Advanced Computing Environment - Open standard based on
UNIX and Windows NT
|
| ACIA |
Asynchronous Communication Interface Adapter |
| ACK |
Acknowledge, Logic signal |
| ACP |
Audio Control Panel |
| ACPI |
Advanced Configuration Power Interface |
| ACPR |
Adjacent Channel Power Ratio |
| ACS |
Asynchronous Communications Server - Communications server
managing pool of modems
|
| ACTS |
Advanced Communications Technologies and Services |
| A/D |
Analogue to Digital |
| ADB |
Apple Desktop Bus - Macintosh communications port for input
devices
|
| ADC |
Analogue to Digital Converter |
| ADCCP |
Advanced Data Communications Control Procedures |
| ADLC |
Advanced Data Link Controller |
| ADPCM |
Adaptive Differential Pulse Code Modulation |
| ADS |
AutoCAD Development System - Facility allowing C routines
to be run from within AutoCAD
|
| ADSL |
Asymmetrical Digital Subscriber Lines |
| ADT |
Asynchronous Data Transfer - Transmission technique used in
ISDN PBXs to allocate bandwidth
|
| AF |
Audio Frequency |
| AFC |
Automatic Frequency Control |
| AFDEC |
Association of Franchised Distributors of Electronic
Components
|
| AFE |
Apple File Exchange |
| AFM |
Atomic Force Microscopy |
| AFP |
Appletalk Filing Protocol |
| AGC |
Automatic Gain Control |
| AGP |
Accelerated Graphics Port |
| AGP |
Advanced Graphics Port |
| AI |
Artificial Intelligence |
| AIM |
Apple/IBM/Motorola |
| AIX |
Advanced Interactive eXecutive |
| ALC |
Automatic Level Control |
| ALU |
Arithmetic Logic Unit |
| AM |
Amplitude Modulation; also Active Matrix. |
| AMD |
Advanced Micro Devices |
| AMA |
American Electronics Association |
| AMI |
American Megatrends Inc |
| AMPS |
Analogue Mobile Phone system |
| A/N |
Alphanumeric |
| ANA |
Article Numbering Association |
| ANDF |
Architecture Neutral Distributed Format |
| ANI |
Automatic Number Identification |
| ANR |
Active Noise Reduction |
| ANSI |
American National Standards Institute |
| AOL |
America Online |
| APA |
All Points Addressable |
| APC |
Automatic Phase Control |
| API |
Application Programming Interface |
| APM |
Advanced Power Management |
| APPC |
Advanced Program-to-Program Communications - IBM protocol
analogous to OSI model's session layer
|
| APPN |
Advanced Peer-to-Peer Networking |
| APT |
Automatic Programmed Tools |
| ARC |
Advanced RISC Computing |
| ARCHIE |
ARCHIvE |
| ARCNET |
Attached Resource Computer NETwork |
| ARDIS |
Advanced National Radio Data Service |
| ARP |
Address Resolution Protocol |
| ARPANET |
Advanced Research Projects Agency Network |
| ARQ |
Automatic ReQuest for repeat |
| ASA |
American Standards Association |
| ASCII |
American Standard Code for Information Interchange |
| ASIC |
Application Specific Integrated Circuit |
| ASK |
Amplitude Shift Keying |
| ASP |
Analogue signal processor |
| ASPI |
Advanced SCSI Programming Interface |
| ASSP |
Application Specific Standard Part |
| ASRP |
Application Specific RISC Processor |
| AT |
Advanced Technology |
| ATDM |
Asynchronous Time Division Multiplexing |
| ATE |
Automatic Test Equipment |
| ATG |
Automatic Test Generation |
| ATM |
Asynchronous Transfer Mode |
| ATRAC |
Adaptive Transform Acoustic Coding |
| ATS |
Application Technology Satellite |
| AUI |
Attachment Unit Interface |
| AUTODIN |
AUTOmatic DIgital Network |
| AUX |
AUXiliary |
| AV |
Audio/Visual |
| AVC |
Automatic Volume Control |
| AVC |
Audio Visual Connection |
| AVI |
Audio Video Interleaved |
| AVK |
Audio Video Kernel |
| AVSS |
Audio/Video Subsystem. - Part of DVI standard |
| BASIC |
Beginners' All-purpose Symbolic Instruction Code |
| BBC |
British Broadcasting Corporation |
| BBD |
Bucket Brigade Device |
| BBS |
Bulletin Board System |
| BCC |
Bump Chip Carrier |
| BCC |
Block Check Character |
| BCD |
Binary Coded Decimal |
| BCI |
BroadCast Interference |
| BCPA |
British Copyright Protection Association |
| BCS |
British Computer Society |
| BCS |
Basic Control System |
| BDM |
Background Debug Mode |
| BDOS |
Basic Disk Operating System |
| BE |
Back End |
| BEDO |
Burst Extended Data Out |
| BEM |
Boundary Element Method |
| BER |
Bit Error Rate |
| BEV |
Billion Electron Volts |
| BFT |
Binary File Transfer |
| BGA |
Ball Grid Array |
| BIB |
British Interactive Broadcasting |
| BICMOS |
Bipolar Complementary Metal Oxide Semiconductor |
| BIFET |
BIpolar Field-Effect Transistor |
| BIMOS |
Bipolar Metal Oxide Semiconductor |
| BIOS |
Basic Input/Output System |
| BISDN |
Broadband Integrated Services Digital Network |
| BIST |
Built In Self Test |
| BITE |
Built In Test Equipment |
| BJT |
Bipolar junction transistor |
| BLT |
Boundary Block Transfer |
| BMMG |
British Microcomputer Manufacturers' Group |
| BNC |
Bayonet Nut Connector |
| BNC |
Baby N Connector |
| BNF |
Backus Naur Form |
| BPI |
Bits Per Inch |
| BPS |
Bits Per Second |
| Bytes/s |
Bytes Per Second |
| BSA |
Business Software Alliance |
| BSC |
Binary Synchronous Communications |
| BSD |
Berkeley Standard Distribution |
| BSE |
Broadcast Satellite Experiment |
| BSI |
British Standards Institution |
| BSRAM |
Burst SRAM |
| BT |
British Telecom |
| BTAM |
Basic Terminal Access Method |
| BTB |
Branch Target Buffer |
| BTU |
British Thermal Units |
| BW |
BandWidth |
| CAB |
Configurable Analogue Blocks |
| CAD |
Computer Aided Design |
| CAE |
Computer Aided Engineering |
| CAE |
Computer Aided Education |
| CAE |
Computer Assisted Education |
| CAI |
Computer Aided Instruction |
| CAI |
Common air Interface |
| CAM |
Computer Aided Manufacturing |
| CAM |
Content Addressable Memory |
| CAMU |
Communications Audio Management Unit |
| CAN |
Controller Area Network |
| CAS |
Column-Address Strobe - Logic signal |
| CASE |
Computer Assisted Software Engineering |
| CAT |
Computerised Axial Tomography |
| CATV |
Cable Television |
| CB |
Citizens' Band |
| CB |
Customer Box |
| CBA |
Cell Based Array |
| CBI |
Complementary Binary |
| CBIC |
Cell Based Integrated Circuit |
| CBR |
Continuous Bit Rate traffic - High priority level in ATM
networking
|
| C&C |
Communication & Control |
| C&C |
Command & Control |
| CC |
Constant Current |
| CCD |
Charge Coupled Device |
| CCFP |
Common Control Fixed Part |
| CCIR |
Committee Consultation International Radiocommunications |
| CCIS |
Command and Control Information Systems |
| CCITT |
Consultative Committee of International Telephony and
Telegraphy
|
| CCS |
Communications Control System |
| CCTV |
Closed Circuit TeleVision |
| CCU |
Communications Control Unit |
| CD |
Compact Disc |
| CDC |
Control Data Corporation |
| CDDI |
Copper Distributed Data Interface |
| CD-I |
Compact Disc Interactive |
| CDMA |
Code Division Multiple Access |
| CDPD |
Cellular Digital Packet Data |
| CDR |
Compact Disc Recordable |
| CDRAM |
Cached DRAM (See EDRAM) |
| CD-ROM |
Compact Disk Read Only Memory |
| CD-ROM XA |
CD-ROM eXtended Architecture |
| CDV |
Compact Disc Video |
| CDWORM |
Compact Disc Write-Once/Read-Many |
| CE |
Communaute Europe |
| CECL |
Cascade Emitter-Coupled Logic |
| CEMF |
Counter ElectroMotive Force |
| CENELEC |
European Committee for Electrotechnical Standardisation |
| CEO |
Chief Executive Officer |
| CerDIP |
Ceramic Dual Inline Package |
| CERN |
Conseil EuropÈen pour la Recherche NuclÈaire |
| CES |
Consumer Electronics Show |
| CF |
Centre Frequency |
| CFB |
Current FeedBack |
| CFD |
Computational Fluid Dynamics |
| CFI |
CAD Framework Initiative |
| CGA |
Colour Graphics Adapter |
| CGI |
Computer Graphics Interface |
| CGM |
Computer Graphics Metafile |
| CHBW |
CHannel BandWidth |
| CHKDSK |
CHecK DiSK |
| CI |
Common Interface |
| CIF |
Common Intermediate Format |
| CIME |
Computer Integrated Manufacturing and Engineering |
| CIRC |
Cross-Interleaved Reed-solomon Code |
| CISC |
Complex Instruction Set Computer |
| CISPR |
International Special Committee on Radio Interference |
| CL |
Current Loop |
| CLA |
Carry Lookahead Adder |
| CLRC |
Central Laboratory of the Research Councils |
| CLS |
Clear Screen |
| CLV |
Constant Linear Velocity |
| CMC |
Common Mail Calls |
| CMIP |
Common Management Information Protocols |
| CMIS |
Common Management Information Services |
| CMOS |
Complementary Metal Oxide Semiconductor |
| CMRS |
Commercial Mobile Radio Service |
| CMYK |
Cyan-Magenta-Yellow-blacK |
| CNC |
Computerised Numerical Control |
| COBALT |
COncurrent Broadcast Array Logic Technology |
| COBOL |
COmmon Business Oriented Language |
| COBRA |
Coastal Battlefield Reconnaissance and Analysis system |
| CODEC |
COder-DECoder |
| COFDM |
Coded Orthogonal Frequency Division Multiplex |
| COG |
Chip On Glass |
| COMSAT |
COMmunication SATellite corporation |
| COMTEC |
COmputer Micrographics and TEChnology |
| COSE |
Common Open Software Environment |
| COTS |
Commercial Off The Shelf |
| CPD |
Continuing Professional Development |
| CPE |
Customer Premises Equipment |
| CPI |
Characters Per Inch |
| CPLD |
Complex Programmable Logic Device |
| CP/M |
Control Program for Microcomputers |
| CPS |
Characters Per Second |
| CPU |
Central Processing Unit |
| CQFP |
Ceramic Quad-FlatPack |
| CRC |
Cyclical Redundancy Check - Error detection scheme |
| CRT |
Cathode Ray Tube |
| CS |
Control Strobe - Logic signal |
| CSA |
Canadian Standards Association - UL's Canadian counterpart |
| CSMA |
Carrier Sense Multiple Access |
| CSMA/CD |
Carrier Sense Multiple-Access with Collision Detect |
| CTA |
Cordless Terminal Adapter |
| CTC |
Counter/Timer Circuit |
| CTI |
Computer Telephony Integration |
| CTM |
Cordless Terminal Mobility |
| CTS |
Clear To Send - Protocol signal |
| CV |
Constant Voltage |
| CVD |
Chemical Vapour Deposition |
| CW |
Carrier Wave |
| CW |
Continuous Waves |
| D/A |
Digital to Analogue |
| DAA |
Data Access Arrangement |
| DAA |
Decimal Adjust Accumulator |
| DAA |
Direct Access Arrangement |
| DAB |
Digital Audio Broadcasting |
| DAC |
Digital to Analogue Converter |
| DAC |
Data Acquisition and Control |
| DAL |
Data Access Lines |
| DAM |
DECT Authentication Module |
| D-AMPS |
Digital Analogue Mobile Phone system |
| DAQ |
Data AcQuisition |
| DARPA |
Defense Advanced Research Projects Agency |
| DASD |
Direct Access Storage Device |
| DAT |
Digital Audio Tape |
| DAV |
Data AVailable/DatA Valid - Logic signal |
| DAVID |
Digital Audio Video Interactive Decoder |
| dB |
DeciBel |
| dBA |
DeciBels Adjusted |
| DBA |
Data Base Administrator |
| DBAM |
DataBase Access Method |
| DBI |
DataBase Index |
| dBK |
DeciBels - referred to 1 Kilowatt |
| dBM |
DeciBels - above or below 1 milliwatt |
| DBMS |
Data Base Management System |
| DBOS |
Disk-Based Operating System |
| DBR |
Dos Boot Record |
| dBV |
DeciBels - Voltage |
| dBX |
DeciBels - above reference coupling |
| DC |
Direct Current |
| DC |
Data Conversion |
| DCC |
Digital Compact Cassette |
| DCC |
Direct Cable Connection |
| DCD |
Data Carrier Detect - Protocol signal |
| DCE |
Data Circuit-terminating Equipment |
| DCE |
Data Communications Equipment |
| DCE |
Distributed Computing Environment |
| DCI |
Display Control Interface |
| DCOM |
Distributed Common Object Model |
| DCP |
Display Control Program |
| DCR |
Data Conversion Receiver |
| DCR |
Digital Conversion Receiver |
| DCS |
Distributed Control System |
| DCS |
Data Carrier System |
| DCT |
Discrete Cosine Transform |
| DCTL |
Direct Coupled Transistor Logic |
| DD |
Double Density |
| DDA |
Digital Differential Analyser |
| DDC |
Digital Display Channel |
| DDC |
Direct Digital Control |
| DDC |
Display Data Channel |
| DDC |
Digital Down Converter |
| DDCE |
Digital Data Conversion Equipment |
| DDCMP |
Digital Data Communications Message Protocol |
| DDD |
Direct Distance Dialling |
| DDE |
Dynamic Data Exchange |
| DDL |
Data Definition Language |
| DEA |
Data Encryption Algorithm |
| DEC |
Digital Equipment Corporation |
| DECT |
Digital Enhanced Cordless Telecommunications |
| DERA |
Defence Evaluation Research Agency |
| DES |
Data Encryption Standard |
| DES |
Digital Encryption Standard |
| DF |
Direction Finder |
| DFD |
Data Flow Diagram |
| DFM |
Design For Manufacture |
| DFT |
Design For Test |
| DIB |
Data Input Bus |
| DID |
Direct Inward Dialling |
| DIGICOM |
DIGItal COMmunications system |
| DIL |
Dual In Line |
| DIMM |
Dual Inline Memory Module |
| DIN |
Deutsche Industrie Normenausschuss |
| DIP |
Dual In line Package |
| DIS |
Draft International Standard |
| DISOSS |
DIStributed Office Supported System |
| ?DIY |
Do It Yourself |
| DLC |
Dual Layer Capacitor |
| DLL |
Dynamic Link Library |
| DLS |
Digital Subscriber Lines |
| DMA |
Direct Memory Access |
| DMF |
Distribution Media Format |
| DML |
Data Manipulation Language |
| DMM |
Digital MultiMeter |
| DMOS |
Double-diffused Metal Oxide Semiconductor |
| DMT |
Discrete Multitone modulationTransceiver |
| DMX |
Digital Media Extension |
| DNA |
DEC Network Architecture |
| DNC |
Direct Numerical Control |
| DNS |
Domain Name Server |
| DoD |
Department of Defense - US defence department |
| DoI |
Department of Industry |
| DOR |
Digital Optical Recording |
| DOS |
Disk Operating System |
| DOT |
Digital Online Terminal |
| DoT |
Department of Transport |
| DP |
Data Processing |
| DPCM |
Differential Pulse Code Modulation |
| DPDT |
Dual Pole Dual Throw |
| DPE |
Data Parity Error |
| DPI |
Dots Per Inch |
| DPMA |
Data Processing Management Association |
| DPP |
Distributed Parallel Processing |
| DPS |
Data Processing System |
| DPSK |
Differential Phase Shift Keying |
| DPSRAM |
Dual Port SRAM |
| DPST |
Dual Pole Single Throw |
| DRAM |
Dynamic Random Access Memory |
| DRAW |
Direct Read After Write |
| DRDA |
Distributed Relational Database Architecture |
| DS |
Double Sided |
| DS |
Data Strobe - Logic signal |
| DSA |
Distributed Systems Architecture |
| DSA |
Data Set Adapter |
| DSA |
Digital Signal Algorithm |
| DSO |
Digital Storage Oscilloscope |
| DSP |
Digital Signal Processor (or Processing) |
| DSR |
Data Set Ready |
| DSS |
Decision Support System |
| DSS |
Digital Spread Spectrum |
| DSS |
Decision Support System |
| DSS |
Digital Signature Standard |
| DST |
Dynamic Stress Testing |
| DS3 |
Digital Signal level 3. A North American digital hierarchy
signalling standard for transmission at 44.736Mbit/s
|
| DTC |
Data Terminal Controller |
| DTE |
Data Terminating Equipment |
| DTI |
Department of Trade & Industry |
| DTL |
Diode Transistor Logic - Predecessor of TTL |
| DTMF |
Dual-Tone MultiFrequency - Standard for touch tones
telephones
|
| DTP |
Desk Top Publishing |
| DTR |
Data Terminal Ready - Protocol signal |
| DTS |
Distributed Time Services |
| DTV |
Digital TV |
| DUT |
Device Under Test |
| DUV |
Data Under Voice |
| DVB |
Digital Video Broadcasting |
| DVBIRD |
Digital Video Broadcasting Integrated Receiver/Decoder |
| DVD |
Digital Video Disc |
| DVI |
Digital Video Interactive |
| DVM |
Digital VoltMeter |
| DVT |
Design Verification Testing |
| DWMT |
Discrete wavelet multitone |
| DWT |
Discrete wavelet transform or Discrete wavelet tone |
| E1 |
A digital transmission link with a capacity of 2.048Mbit/s |
| E3 |
A digital transmission link with a capacity of 34.368Mbit/s |
| EAB |
Embedded Array Block |
| EAN |
European Article Numbering |
| EAPROM |
Electrically Alterable Programmable Read-Only Memory |
| EAROM |
Electrically Alterable Read-Only Memory |
| EBCDIC |
Extended Binary Coded Decimal Interchange Code |
| EBR |
Electron Beam Recording |
| EBU |
European Broadcasting Union |
| ECC |
Emitter Coupled Circuits |
| ECC |
Error Checking and Correction |
| ECC |
Error Correction Code |
| ECCM |
Electronic Counter Counter Measures |
| ECHO |
European Commission Host Organisation |
| ECL |
Emitter Coupled Logic |
| ECM |
Electronic Counter Measures |
| ECMA |
European Computer Manufacturers Association |
| ECO |
Electron Coupled Oscillator |
| EDA |
Electronic Design Automation |
| EDC |
Error Detection Code |
| EDE |
Embedded Development Environment |
| EDI |
Electronic Data Interchange |
| EDIF |
Electronic Data Interchange Format |
| EDO |
Extended Data Out |
| EDP |
Electronic Data Processing |
| EDPM |
Electronic Data Processing Machine |
| EDPS |
Electronic Data Processing System |
| EDRAM |
Enhanced Dynamic Random Access Memory |
| EDS |
Electronic Data Systems |
| EEPROM |
Electrically Erasable Programmable Read Only Memory |
| E2PROM |
Electrically Erasable Programmable Read Only Memory |
| EEROM |
Electrically Erasable Read Only Memory |
| EFT |
Electronic Funds Transfer |
| EGA |
Enhanced Graphics Adapter |
| EIA |
Electronics Industries Association |
| EIDE |
Enhanced Integrated Device Electronic |
| EISA |
Enhanced (or Extended) Industry Standard Architecture |
| EL |
ElectroLuminescent |
| ELF |
Extremely Low Frequency |
| EMC |
ElectroMagnetic Compatibility |
| EMCTLA |
EMC Test Laboratory Association |
| EMF |
ElectroMotive Force |
| EMF |
Enhanced MetaFile |
| EMI |
ElectroMagnetic Interference |
| EMM |
Expanded Memory Manager |
| EMP |
ElectroMagnetic Pulse |
| EMS |
Expanded Memory Specification |
| EMV |
Europay, Mastercard, Visa |
| ENIAC |
Electronic Numerical Integrator And Calculator |
| ENOB |
Effective Number Of Bits |
| EOB |
End Of Block |
| EOF |
End Of File |
| EOL |
End Of Line |
| EOM |
End Of Message |
| EOR |
End Of Record |
| EOR |
Exclusive OR |
| EOT |
End Of Transmission |
| EPAC |
Electrically Programmable Analogue Circuit |
| EPLD |
Electrically Programmable Logic Device |
| EPOS |
Electronic Point of Sale |
| EPP |
Enhanced Parallel Port |
| EPROM |
Erasable Programmable Read-Only Memory |
| EPSMA |
European Power Supply Manufacturers Association? |
| EPSRC |
Engineering and Physical Sciences Research Council |
| EQ |
EQualiser |
| ESA |
European Space Agency |
| ESC |
EScape Character |
| ESD |
ElectroStatic Discharge |
| ESD |
Electrostatic Sensitive Device |
| ESDA |
Electronic System Design Automation |
| ESDI |
Enhanced Small Devices Interface |
| ESMR |
Enhanced Specialised Mobile Radio |
| ESR |
Equivalent Series Resistance |
| ETACS |
European Total Access Communications System |
| ETB |
End of Transmission Block |
| ETL |
Enhanced Ttransceiver Logic |
| ETS |
European Telecommunications Standard |
| ETSI |
European Telecommunications Standards Institute |
| EU |
European Union |
| EUT |
Equipment Under Test |
| eV |
Electron Volt |
| FAA |
Federal Aviation Administration |
| FAT |
File Allocation Table |
| FAX |
FACSimile |
| FCC |
Federal Communications Commission |
| FCFS |
First Come-First Served |
| FCIC |
Full Custom Integrated Circuit |
| FCT |
Fast CMOS Technology |
| FD |
Full Duplex |
| FDC |
Floppy Disk Controller |
| FDD |
Floppy Disk Drive |
| FDDI |
Fibre Distributed Data Interface |
| FDI |
Flash Data Integrator |
| FDM |
Frequency Division Multiplexing |
| FDMA |
Frequency Division Multiple Access |
| FDOS |
Floppy Disk Operating System |
| FDOS |
Floppy Disk Operating System |
| FDX |
Full-Duplex Transmission |
| FEA |
Finite Element Analysis |
| FED |
Field Emission Display |
| FEI |
Federation of the Electronics Industry |
| FET |
Field Effect Transistor |
| FF |
Fieldbus Foundation |
| FF |
Flip Flop |
| FFT |
Fast Fourier Transform |
| FHD |
Fixed Head Disk |
| FHMA |
Frequency Hopping Multiple Access |
| FIFO |
First-In First-Out |
| FILO |
First-In Last-Out |
| FINTEL |
FINancial Times ELectronic |
| FIR |
Finite Impulse Response filter |
| FLIR |
Forward Looking InfraRed |
| FM |
Frequency Modulation |
| FMV |
Full Motion Video |
| FORTH |
FOuRTH-generation language |
| FORTRAN |
FORmula TRANslation |
| FP |
Floating Point |
| FPGA |
Field Programmable Gate Array |
| FPLA |
Field Programmable Logic Array |
| FPM |
Fast Page Mode |
| FPS |
Frames per second |
| FPU |
Floating Point Unit |
| FRU |
Field-Replaceable Unit |
| FSF |
Free Software Foundation |
| FSK |
Frequency Shift Keying |
| FSM |
Frequency Shift Modulation |
| FSTN |
Film Super Twisted Nematic |
| FT |
Fixed Termination |
| FTAM |
File Transfer Access and Management |
| FTP |
File Transfer Protocol |
| FVC |
Frequency to Voltage Converter |
| GB |
GigaByte |
| GA |
Gate Array |
| GAL |
Generic Array Logic |
| GaAs |
Gallium Arsenide |
| GaAlAs |
Gallium Aluminium Arsenide |
| GAP |
Generic Access Profile |
| GCS |
Gate Controller Switch |
| GDI |
Graphics Device Interface |
| GDS |
Global Directory Services |
| GDT |
Graphic Display Terminal |
| GFCI |
Ground Fault Circuit Interrupter |
| GFI |
Ground Fault Interrupter |
| GFLOPS |
Giga - 109 FLOating Point Operations Per Second |
| GFSK |
Gaussian Frequency Shift Keying |
| GHz |
Gigahertz |
| GIGO |
Garbage In Garbage Out |
| GIRL |
Generalised Information Retrieval Language |
| gif |
Graphics Interchange Format |
| GIS |
Geographic Information System |
| GKS |
Graphics Kernel System |
| GLB |
Generic Logic Block |
| GMM |
Graphical MultiMeter |
| GMR |
Giant Magneto Resistance |
| GND |
GrouND |
| GNU |
Gnu's Not UNIX |
| GPF |
General Protection Fault |
| GPIB |
General Purpose Interface Bus |
| GPS |
Global Positioning System |
| GRP |
Global Routing Pool |
| GSI |
Graphic Structure Input |
| GSM |
Global System for Mobile communications |
| GTL |
Gunning Transceiver Logic |
| GUI |
Graphical User Interface |
| HAL |
Hardwired Array Logic |
| HART |
Highway Addressable Remote Transducer |
| HCMOS |
High-density Complementary Metal-Oxide Semiconductor |
| HD |
Hard Disk |
| HDB |
Home Data Base |
| HDC |
Hard Disk Controller |
| HDD |
Hard Disk Drive |
| HDD |
Head Down Display |
| HDL |
Hardware Description Language |
| HDLC |
High Level Data Link Control |
| HDSL |
High speed Digital Subscriber Lines |
| HDTV |
High Definition TeleVision |
| HDX |
Half Duplex |
| HEMT |
High Electron Mobility Transistor |
| HER |
High Efficiency Red - As in an LED |
| HET |
Heterodyne |
| HEU |
Headset electronic Unit |
| HF |
High Frequency |
| HFS |
Hierarchical File System |
| HIC |
Hybrid Integrated Circuit |
| HI-FI |
HIgh FIdelity |
| HIPO |
Hierarchy Input, Process, Output |
| HISAM |
Hierarchical Indexed Sequential Access Method |
| HLL |
High Level Language |
| HLS |
Hue Luminance Saturation |
| HMA |
High Memory Area |
| HMD |
Helmet Mounted Display |
| HMOS |
High-density Metal Oxide Semiconductor |
| HOOD |
Hierarchical Object Oriented Design |
| HP |
Hewlett Packard |
| HPIB |
Hewlett Packard Interface Bus - Identical to GPIB |
| HPIL |
Hewlett Packard Interface Loop |
| HPC |
Handheld PC |
| HPFS |
High Performance File System |
| HPGL |
Hewlett Packard Graphics Language |
| HS |
Helical Scan |
| HSM |
High-Speed Memory |
| HSSI |
High Speed Serial Interface |
| HSV |
Hue-Saturation-Value |
| HTL |
High Threshold Logic |
| HTML |
HyperText Markup Language |
| HTS |
Helmet Tracking System |
| HTTP |
HyperText Transfer Protocol |
| HUD |
Head Up Display |
| HVDC |
High Voltage Direct Current |
| HVPS |
High Voltage Power Supply |
| Hz |
Hertz - Cycles per second |
| I2C |
Integrated InterConnect |
| I2ICE |
Integrated Instrumentation and InCircuit Emulation |
| I2L |
Integrated Injection Logic |
| IA |
Instrumentation Amplifier |
| IBM |
International Business Machines |
| IC |
Integrated Circuit |
| ICE |
In-Circuit Emulator (or Emulation) |
| ICL |
International Computers Ltd |
| IDC |
International Data Corporation |
| IDCT |
Inverse Discrete Cosine Transform |
| IDE |
Integrated Device Electronics or Intelligent Drive
Electronics
|
| IDE |
Integrated Development Environment; also Integrated Drive
Electronics
|
| IDVC |
Integrated Data/Voice Channel |
| IEE |
Institute of Electrical Engineers |
| IEEE |
Institute of Electrical and Electronics Engineers |
| IEEIE |
Institute of Electronics and Electrical Incorporated
Engineers
|
| IETF |
Internet Engineering Task Force |
| IF |
Intermediate Frequency |
| IGBT |
Insulated Gate Bipolar Transistor |
| IGES |
Initial Graphics Exchange Standard |
| IGFET |
Insulated Gate Field Effect Transistor |
| IIE |
Institute of Industrial Engineers |
| IIL |
Integrated Injection Logic |
| IIR |
Infinite Impulse Response filter |
| ILD |
Injection Laser Diode |
| IMECHIE |
Institute of MECHanical Incorporated Engineers |
| InP |
Indium Phosphide |
| INTELSAT |
INternational TELecommunications SATellite consortium |
| I/O |
Input/Output |
| IP |
Internet Protocol - see TCP/IP |
| IP |
Intellectual Property |
| IPC |
Interprocess Communication Services |
| IPGA |
Inverted Pin Grid Array |
| IPSEC |
Internet Protocol SECurity |
| IPUI |
International Portable User Identity |
| IPX |
Internetwork Protocol Exchange |
| IR |
InfraRed |
| IRAS |
InfraRed Astronomical Satellite [Space] |
| IRD |
Integrated Receiver/Decoder |
| IRDA |
InfraRed Data Association |
| IRED |
InfraRed Emitting Diode |
| IRQ |
Interrupt ReQuest |
| IRTF |
Internet Research Task Force |
| ISA |
Industry Standard Architecture |
| ISA |
Instrument Society of America |
| ISAM |
Indexed Sequential Access Method |
| ISDN |
Integrated Services Digital Network |
| ISN |
Information Systems Network |
| ISO |
International Standards Organisation |
| ISP |
Internet Service Provider |
| ISP |
In System Programmable |
| ISPBX |
Integrated Systems PBX |
| ISV |
Independent Software Vendor |
| IT |
Information Technology |
| ITAC |
ISDN Terminal Adapter Circuit |
| ITC |
InterTool Communications |
| ITT |
International Telephone and Telegraph |
| ITU |
International Telecommunications Union |
| IVD |
Integrated Voice Data |
| IVTS |
International Video Teleconferencing Service |
| JBC |
Java Byte Code |
| JBEM |
Joint Board for Engineering Management |
| JCL |
Job Control Language |
| JEDEC |
Joint Electronic Device Engineering Council |
| JEIDA |
Japanese Electronic Industry Development Association |
| JFET |
Junction Field Effect Transistor |
| JIS |
Japanese Industrial Standard |
| JIT |
Just-In-Time |
| JPEG |
Joint Photographic Experts Group |
| JPL |
Jet Propulsion Laboratory |
| JTAG |
Joint Test Action Group |
| JUG |
Joint Users Group |
| JVM |
Java Virtual Machine |
| K |
Kelvin |
| K |
Kilo - 103 |
| KA |
KiloAmpere -1000A |
| KB |
Kilobits |
| KBPS |
KiloBits Per Second |
| KBytes |
Kilobytes |
| KEV |
Kilo Electron Volts |
| KHz |
KiloHertz |
| KVA |
Kilo Volt Amps |
| KW |
Kilowatt |
| KWH |
Kilowatthour |
| L2FET |
Logic Level Field Effect Transistor |
| LAN |
Local Area Network |
| LASCR |
Light Activated Silicon Controlled Rectifier |
| LASER |
Light Amplification by Stimulated Emission of Radiation |
| LBA |
Linear Block Array |
| LC |
Inductance and Capacitance |
| LCD |
Liquid Crystal Display |
| LCM |
Least/Lowest Common Multiple |
| LD |
Line Driver |
| LDMOS |
Lateral Double diffused Metal Oxide Semiconductor |
| LDO |
Low DropOut |
| LE |
Local Exchange |
| LEC |
Local Exchange Carrier |
| LED |
Light Emitting Diode |
| LEP |
Light Emitting Polymer |
| LF |
Line Feed |
| LF |
Low Frequency |
| LFO |
Low Frequency Oscillator |
| LIFO |
Last-In First-Out |
| LIM |
Lotus-Intel-Microsoft |
| LIPS |
Logical Inferences Per Second |
| LISN |
Line Interference Stabilisation Network |
| LISP |
LISt Processing - Programming language |
| LLC |
Logical Link Control - Layer of OSI standard |
| LMDS |
Local Multipoint (or Microwave) Distribution Service (or
System)
|
| LO |
Local Oscillator |
| LON |
Local Operating Network |
| LORAN |
LOng RAnge Navigation |
| LP |
Low Pass |
| LPC |
Linear Predictive Coding |
| LPGA |
Laser Programmable Gate Array |
| LQ |
Letter Quality |
| LRC |
Longitudinal Redundancy Check |
| LSB |
Least Significant Byte |
| LSb |
Least Significant Bit |
| LSD |
Least Significant Digit |
| LSI |
Large Scale Integration |
| LUT |
Look Up Table |
| LV |
Low Voltage |
| LVD |
Low Voltage Directive |
| LVDS |
Low Voltage Differential Signalling |
| LVPSU |
Low Voltage PSU |
| LW |
Long Wave |
| M |
Mega - 106 |
| MAC |
Multiplexed Analogue Components |
| MAC |
Media Access Control - Sub layer of OSI standard |
| MAC |
Multiplier-ACcumulator |
| MAN |
Metropolitan Area Network |
| MAP |
Microprocessor Application Project |
| MAP |
Manufacturing Automation Protocol |
| MAPI |
Messaging Application Programming Interface |
| MASER |
Microwave Amplification by Stimulated Emission of Radiation |
| MAT |
Machine Aided Translation |
| Mb |
Megabit |
| MB |
Megabyte |
| MbPS |
Megabits Per Second |
| MBPS |
Megabytes Per Second |
| MBR |
Master Boot Record |
| MCA |
Micro Channel Architecture |
| MCGA |
Multi-Colour Graphics Array |
| MCI |
Media Control Interface |
| MCLED |
Micro Cavity LED |
| MCM |
MultiChip Module |
| MCU |
MicroComputer Unit |
| MDA |
Mechanical Design Automation |
| MDA |
Monochrome Display Adapter |
| MDAC |
Multiplying Digital to Analogue Converter |
| MDI |
Multiple Document Interface |
| MDS |
Multipoint Distribution System |
| MESFET |
Metal Semiconductor Field Effect Transistor |
| MFLOPS |
Mega FLOating Point Operations per Second |
| MFM |
Modified Frequency Modulation |
| MGA |
Masked Gate Array |
| MHS |
Message Handling Systems |
| MHz |
Megahertz |
| MIB |
Microelectronics In Business |
| MICR |
Magnetic Ink Character Recognition |
| MICRON |
Millionth of a metre (10-6) |
| MIDAS |
Multimade International Data Acquisition Service |
| MIDI |
Musical Instrument Data Interface |
| MIL |
MILitary |
| MIMD |
Multiple-Instruction Multiple-Data |
| MIME |
Multipurpose Internet Mail Extensions |
| MIPS |
Million Instructions per Second |
| MIRS |
Motorola Integrated Radio system |
| MIS |
Management Information System |
| MISD |
Multiple-Instruction Single Data |
| ML |
MultiLayer |
| MLB |
MultiLayer Board |
| MMI |
Man Machine Interface |
| MMU |
Memory Management Unit |
| MMX |
MultiMedia eXtensions |
| MNP |
Microcom Network Protocol |
| MO |
Magneto Optical |
| MO |
Master Oscillator |
| MODEM |
MOdulator/DEModulator |
| MOPS |
Millions of Operations Per Second |
| MOS |
Metal Oxide Semiconductor |
| MOSFET |
Metal Oxide Semiconductor Field Effect Transistor |
| MOV |
Metal Oxide Varistor |
| MP |
MultiProcessor |
| MPC |
Multimedia Personal Computer |
| MPEG |
Motion Picture Experts Group |
| MPP |
Massively Parallel Processor |
| MPS |
Micro Port Saver |
| MPSK |
Minimum Phase Shift Keying |
| MPU |
MicroProcessor Unit |
| MQFP |
Metal Quad Flat Pack |
| MR |
Magnetic Resonance |
| MRP |
Manufacturing Resource Planning |
| MSB |
Most Significant Byte |
| MSb |
Most Significant bit |
| MSC |
Mobile Services Switching Centre |
| MSD |
Most Significant Digit |
| MS-DOS |
MicroSoft Disk Operating System |
| MSI |
Medium Scale Integration |
| MSN |
MicroSoft Network |
| MTA |
Message Transfer Agent |
| MTBF |
Mean Time Between Failures |
| MTBM |
Mean Time Between Maintenance |
| MTF |
Modulation Transfer Function |
| MTS |
Message Transfer System |
| MTTF |
Mean Time To Failure |
| MTTR |
Mean Time To Recovery |
| MTTR |
Mean Time To Repair |
| MUMPS |
MUltiplex MicroProcessor System |
| MUX |
Multiplexer |
| MVDS |
Multipoint Video Distribution System |
| MVS |
Multiple Virtual Storage |
| NAM |
Network Access Machine |
| NAMAS |
National Accreditation of Measurement And Sampling |
| N-AMPS |
Narrowband Analogue Mobile Phone system |
| NAND |
Not AND |
| NASA |
National Aeronautics and Space Administration |
| NBS |
National Bureau of Standards |
| NC |
Network Computer |
| NC |
Numerical Control |
| NC |
Not Connected |
| NC |
Normally Closed |
| NCR |
National Cash Registers |
| NCSC |
National Computer Security Center - Arm of the US National
Security
|
| NDR |
Network Data Representation |
| NEC |
Nippon Electric Corporation |
| NEDA |
National Electronics Distributors Association |
| NEMA |
National Electrical Manufacturers Association |
| NEST |
Novell Embedded Systems Technology |
| NetBIOS |
Network Basic Input/Output System |
| NF |
NanoFarad - measure of capacitance |
| NFM |
Network File Manager |
| NFS |
Network File Server |
| NFS |
Network File System |
| NFU |
Not Frequently Used |
| NIC |
Network Information Centre |
| NiCad |
Nickel Cadmium - Rechargeable battery |
| NiMH |
Nickel Metal Hydride |
| NISRC |
Northern Ireland Semiconductor Research Centre |
| NLQ |
Near Letter Quality |
| NMH |
Nickel Metal Hydride |
| NMI |
National Microelectronics Institute |
| NMI |
Non-Maskable Interrupt |
| NMOS |
Negative-channel Metal-Oxide Semiconductor |
| NMR |
Nuclear Magnetic Resonance |
| NMS |
Network management system |
| NMT |
Nordic Mobile Telephone |
| NN |
Neural Network |
| NO |
Normally Open |
| NO-OP |
NO-OPeration instruction |
| NOP |
No OPeration |
| NOR |
Not OR |
| NORAD |
NORth American Defense |
| NOS |
Network Operating System |
| NPL |
National Physical Laboratory |
| NPN |
Negative Positive Negative |
| NRE |
Non Recurring Engineering |
| NRFM |
Non-volatile Ram File Manager |
| NRU |
Not-Recently Used |
| NRZ |
Non Return to Zero |
| NRZI |
Non Return to Zero Invert |
| NSA |
National Security Agency |
| NSF |
National Science Foundation |
| NSP |
Native Signal Processing |
| NTACS |
Nippon Total Access Communications System |
| NTC |
Negative Temperature Coefficient |
| NTFS |
New Technology File System |
| NTSC |
National Television Standards Committee |
| NTT |
Nippon Telephone & Telegraph |
| NUMA |
Non Uniform Memory Access |
| NUI |
Network User Identification |
| NVG |
Night Vision Goggle |
| NVRAM |
NonVolatile Random Access Memory |
| OA&M |
Operations, Administration and Maintenance |
| OC |
Open Collector |
| OC |
Optical Carrier. A range of standards applying to optical
communications. For example. OC-1 51.84Mbit/s
|
| OCR |
Optical Character Recognition |
| OCXO |
Oven Controlled Crystal Oscillator |
| ODBC |
open database connectivity |
| ODI |
Open Datalink Interface |
| OEM |
Original Equipment Manufacturer |
| OFDM |
Orthogonal Frequency Division Modulation |
| OFS |
Open File System |
| OLE |
Object Linking and Embedding |
| OLRT |
On-Line Real-Time |
| OLTP |
OnLine Transaction Processing |
| OMG |
Object Management Group |
| OOP |
Object Oriented Programming |
| OPAMP |
OPerational AMPlifier op amp |
| OPC |
Organic Photo Conductor |
| OPR |
Optical Pattern Recognition |
| OR |
Operational Research |
| ORACLE |
Optional Reception of Announcements by Coded Line
Electronics
|
| ORBIT |
On-line Real-time Branch InformaTion |
| ORP |
Output Routing Pool |
| OS |
Operating System |
| OSCAR |
Orbiting Satellite Carrying Amateur Radio |
| OSD |
On Screen Display |
| OSD |
Optical Scanning Device |
| OSF |
Open Software Foundation |
| OSI |
Open Systems Interconnection |
| OTDR |
Optical Time Domain Reflectometry |
| OTP |
One Time Programmable |
| OUP |
Output Routing Pool |
| OUP |
Oxford University Press |
| OVP |
Over Voltage Protection |
| PA |
Public Address |
| PA |
Power Amplifier |
| PABX |
Private Automated Branch Exchanges |
| PAD |
Packet Assembler/Disassembler |
| PAL |
Phase Alternate Line TV standard used in UK and many other
countries
|
| PAL |
Programmable Array Logic |
| PAM |
Pulse Amplitude Modulation |
| PANDA |
Prestel Advanced Network Design Architecture |
| PASCAL |
Program Applique la Selection et la Complication
Automatique de la Litterature
|
| PAX |
Private Automatic Exchange |
| PB |
Push Button |
| PBX |
Private Branch eXchange |
| PC |
Personal Computer |
| PC |
Program Counter |
| PCB |
Printed Circuit Board |
| PCC |
Plastic Chip Carrier |
| PCD |
Photo Compact Disc |
| PCI |
Peripheral Component Interconnect (or Interface) |
| PCIF |
Printed Circuit Interconnect Federation |
| PCL |
Play Control List |
| PCL |
Printer Control Language Drives Hewlett-Packard printers |
| PCM |
Pulse Code Modulation |
| PCM |
Plug Compatible Manufacturer |
| PCMCIA |
Personal Computer Memory Card International Association |
| PDA |
Personal Digital Assistant |
| PDIP |
Plastic Dual Inline Package |
| PDM |
Pulse Duration Modulation |
| PDU |
Professional Development Unit |
| PE |
Processor Element |
| PEC |
PhotoElectric Cell |
| PEEL |
programmable Electrically Erasable Logic |
| PERT |
Program Evaluation and Review Technique |
| PF |
Pulse Frequency |
| PF |
Power Factor |
| PFC |
Power Factor Correction |
| PFF |
Page Fault Frequency |
| PFM |
Pulse Frequency Modulation |
| PG |
Power Gain |
| PGA |
Pin Grid Array |
| PGA |
Professional Graphics Adapter |
| PGP |
Pretty Good Privacy |
| PH |
Page Heading |
| PIA |
Peripheral Interface Adapter |
| PIC |
Programmable Interrupt |
| PICS |
Platform for Internet Contents Specification |
| PIF |
Program Information File |
| PIM |
Personal Information Manager |
| PIN |
Personal Identification Number |
| PIO |
Processor Input/Output |
| PIO |
Programmed Input/Output |
| PIV |
Peak Inverse Voltage |
| PIXEL |
PICTure ELement |
| PLA |
Programmable Logic Array |
| PLC |
Programmable Logic Controller |
| PLCC |
Plastic Leaded Chip Carrier |
| PLD |
Programmable Logic Device |
| PLL |
Phase Locked Loop |
| PLUGE |
Picture Line Up GEnerator |
| PLV |
Production Level Video |
| PM |
Phase Modulation |
| PM |
Pulse Modulation |
| PM |
Preventive Maintenance |
| PMBX |
Private Manual Branch eXchange |
| PMCM |
Power MultiChip Module |
| PMLCD |
Passive Matrix LCD |
| PMOS |
Positive-channel Metal-Oxide Semiconductor |
| PMR |
Private Mobile Radio |
| PMT |
Photo Multiplier Tube |
| PN |
Positive Negative |
| PNG |
Portable Network Graphics |
| PnP |
Plug aNd Play |
| PNP |
Positive Negative Positive |
| POD |
Power-On Diagnostics |
| POP |
Point Of Presence |
| POS |
Programmable Option Select |
| POS |
Point Of Sale |
| POSIX |
Portable Operating System Interface for Unix |
| POST |
Power-On Self Test |
| POTS |
Plain Old Telephone Service |
| POV |
Peak Operating Voltage |
| PPI |
Pixels Per Inch |
| PPM |
Parts Per Million |
| PPP |
Point-to-Point Protocol |
| PPS |
Pulses Per Second |
| PPTP |
Point-to-Point Tunnelling Protocol |
| PQFP |
Plastic Quad-FlatPack |
| PRN |
Pseudo Random Noise |
| PROM |
Programmable Read-Only Memory |
| PSDN |
Packet Switched Data Network |
| PSG |
Programmable Sound Generator |
| PSI |
Pounds per Square Inch |
| PSK |
Phase Shift Keying |
| PSTN |
Public Switched Telephone Network |
| PSU |
Power Supply Unit |
| PSW |
Program Status Word |
| PTE |
Page Table Entry |
| PTM |
Pulse Time Modulation |
| PTP |
Peer To Peer |
| PTT |
Postal, Telegraph & Telephone |
| PUT |
Programmable Unijunction Transistor |
| PV |
PhotoVoltaic |
| PVT |
Page View Terminal |
| PWM |
Pulse Width Modulation |
| PWR |
PoWeR |
| QA |
Quality Assurance |
| QADC |
Queued Analogue to Digital Converter |
| QAM |
Quadrature Amplitude Modulation or Modulator |
| QAM |
Queued Access Method |
| QBE |
Query by example |
| QC |
Quality Control |
| QCIF |
Quarter Common Intermediate Format |
| QFP |
Quad Flat Pack |
| QIC |
Quarter Inch Cartridge |
| QIP |
Quad Inline Package |
| QOS |
Quality Of Service |
| QPSK |
Quadrature Phase Shift Keying |
| QRC |
Quick Release Connector |
| QSM |
Quad Surface Mount |
| QSM |
Queued Serial Module |
| QSAM |
Queued Sequential Access Method |
| QTAM |
Queued Telecommunications Access Method |
| QWERTY |
First 6 letter keys of keyboard |
| R&D |
Research and Development |
| RACE |
Research on Advanced Communication for Europe |
| RAD |
Rapid Access Disk |
| RAD |
Radiation Absorbed Dose |
| RADAR |
RAdio Detection And Ranging |
| RADLS |
Rate Adaptive Digital Subscriber Lines |
| RAID |
Redundant Arrays of Inexpensive Disks |
| RAM |
Random Access Memory |
| RAMDAC |
Random Access Memory Digital to Analogue Converter |
| RAS |
Remote Access Server (or Services) |
| RAS |
Row Address Strobe |
| RBFM |
Random Block File Manager |
| RBOC |
Regional Bell Operating Companies |
| RBW |
Resolution BandWidth |
| RC |
Radio Control |
| RC |
Remote Control |
| RC |
Resistance and Capacitance |
| RCA |
Radio Corporation of America |
| RCC |
Routing Control Centre |
| RCTL |
Resistor Capacitor Transistor Logic |
| RCV |
ReCeiVe |
| RD |
Receive Data |
| RD |
ReaD - Logic signal |
| RDS |
Radio Data Signal |
| RDY |
ReaDY |
| REP |
Resolution Enhancement Procedure |
| RET |
RETurn |
| RF |
Radio Frequency |
| RFI |
Radio Frequency Interference |
| RFP |
Radio Fixed Part |
| RFS |
Remote File Service |
| RGB |
Red Green Blue |
| RHDP |
Right Hand Decimal Point |
| RI |
Ring Indicator |
| RIFF |
Resource Interchange File Format |
| RISC |
Reduced Instruction Set Computer |
| RJE |
Remote Job Entry |
| RLE |
Run Length Encoding |
| RLL |
Radio in the Local Loop |
| RLL |
Run Length Limited |
| RMI |
Radio Magnetic Interference |
| RMM |
Read Mostly Memory |
| RMS |
Root Mean Square |
| RMW |
Read Modify Write |
| ROM |
Read Only Memory |
| RPC |
Remote Procedure Call |
| RPD |
Record of Professional Development |
| RPG |
Report Program Generator |
| ?RPG |
Role Playing Game |
| RPM |
Rotations (or Revolutions) Per Minute |
| RPS |
Revolutions Per Second |
| RS |
Reed Solomon - Error correction technique |
| RS-232 |
Recommended Standard 232 |
| RSA |
Rivest-Shamir-Adleman |
| RT |
Remote Terminal |
| RT |
Rise Time |
| RT |
Real Time |
| RTC |
Real Time Clock |
| RTCA |
Real Time Control Area |
| RTD |
Resistance Temperature Detector |
| RTF |
Rich Text Format |
| RTI |
Real Time Interrupt |
| RTL |
Register Transfer Level |
| RTL |
Resistor Transistor Logic |
| RTOS |
Real Time Operating System |
| RTP |
Real Time Processing |
| RTR |
Real Time Record |
| RTRI |
Real Time Record Interpreter |
| RTS |
Request To Send - Protocol signal |
| RTSP |
Real Time Streaming Protocol |
| RTU |
Remote Terminal Unit |
| RTV |
Real Time Video |
| RTX |
RealTime Executive |
| R/W |
Read/Write |
| RZ |
Return to Zero |
| SAA |
Systems Application Architecture |
| SAM |
Sequential Access Memory |
| SAM |
Serial Access Memory |
| SAP |
Service Access Point |
| SAP |
Service Advertising Protocol |
| SAR |
Segmentation and Reassembly |
| SASI |
Shugart Associates Standard Interface |
| SAW |
Surface Acoustic Wave |
| SBA |
Semiconductor Business Association |
| SBC |
Single Board Computer |
| SC |
Switched Capacitor |
| SCA |
SubCarrier Adapter |
| SCADA |
Supervisory Control And Data Acquisition |
| SCAM |
SCSI Configuration Auto Magically |
| SCART |
Societe de Constructeurs des Appareils Radio Television |
| SCCCD |
Surface Channel Charge Coupled Device |
| SCFM |
Sequential Character File Manager |
| SCI |
Serial Communication Interface |
| SCI |
Scalable Coherent Interconnect |
| SCL |
Serial CLock |
| SCO |
Santa Cruz Operation |
| SCR |
Silicon Controller Rectifier |
| SCS |
Silicon Controller Switch |
| SCSA |
Signal Computing System Architecture |
| SCSI |
Small Computer Systems Interface |
| SD |
Single Density |
| SDH |
Synchronous digital hierarchy; An ITU standard for
transmitting data over optical fibre.
|
| SDI |
Strategic Defense Initiative |
| SDLC |
Synchronous Data Link Control |
| SDSL |
Symmetrical Digital Subscriber Lines |
| SDRAM |
Synchronous Dynamic Random Access Memory |
| SECAM |
SEquentiel Couleurs A Memoire |
| SEC |
Single Edge Contact |
| SECC |
Single Edge Contact Cartridge |
| SEM |
Scanning Electron Microscope |
| SEMI |
Semiconductor Equipment and Materials Institute |
| SERC |
Science and Engineering Research Council |
| SES |
Satellite Earth Station |
| SET |
Single Electron Transistor |
| SETSE |
Single Electron Transistor Scanning Electrometer |
| SHARC |
Super Hardware Architecture RISC Computer |
| SG |
Signal Ground |
| SGML |
Standard Generalised Markup Language |
| SGRAM |
Synchronous Graphics Random Access Memory |
| S/H |
Sample and Hold |
| SHF |
Super High Frequency |
| SI |
Systeme International |
| Si |
Silicon |
| SIF |
Sound Intermediate Frequency |
| SIF |
Source Input Format |
| SIG |
Special Interest Group |
| SIGGRAPH |
Special Interest Group for GRAPHics |
| SIM |
Subscriber Identity Module |
| SIMD |
Single-Instruction Multiple-Data |
| SIMM |
Single Inline Memory Module - Form of chip packaging |
| SIO |
Serial Input and Output |
| SIPO |
Serial In Parallel Out |
| SIPP |
Single Inline Pinned Package |
| SISD |
Single-Instruction Single-Data |
| SISO |
Serial In Serial Out |
| SL |
Symbolic Language |
| SLIC |
Subcriber line interface circuit. |
| SLCC |
Single Layer Ceramic Capacitor |
| SLIP |
Serial Line Internet Protocol |
| SLSI |
Super Large Scale Integration |
| SMA |
Semiconductor Manufacturers Association - A division of FEI |
| SMB |
Server Message Block |
| SMD |
Surface Mount Device |
| SMDS |
Switched Multimegabit Data Service |
| SMI |
System Management Interrupt |
| SMM |
Shared Memory Map |
| SMM |
System Management Mode |
| SMTP |
Simple Mail Transfer Protocol |
| SMP |
Symmetric Multi-Processing |
| SMPS |
Switched Mode Power Supply |
| SMR |
Specialised Mobile Radio |
| SMT |
Surface Mount Technology |
| S/N |
Signal to Noise |
| SNA |
System Network Architecture |
| SNMP |
Simple Network Management Protocol |
| SNR |
Signal to Noise Ratio |
| SO |
Small Outline |
| SO |
Serial Output |
| SOB |
Start Of Block |
| SOC |
Systems On a Chip |
| SO-DIMM |
Small Outline-Dual Inline Memory Module |
| SOHO |
Small Office/Home Office |
| SOI |
Silicon on Insulator |
| SOIC |
Small Outline Integrated Circuit |
| SOJ |
Small Outline J-leaded - Chip package |
| SOL |
Small OutLine |
| SOLV |
SOLenoid Valve |
| SONAR |
SOund NAvigation and Ranging |
| SONET |
Synchronous Optical NETwork |
| SOP |
Small Outline Package |
| SOR |
Statement Of Requirement |
| SOS |
Silicon On Sapphire |
| SOT |
Small Outline Transistor |
| SP |
Signal Processor |
| SP |
Stack Pointer |
| SPDT |
Single Pole Double Throw |
| SPGA |
System PGA |
| SPI |
Serial to Parallel Interface |
| SPICE |
Simulation Program with Integrated Circuit Emphasis |
| SPL |
Sound Pressure Level |
| SPLD |
Simple Programmable Logic Device |
| SPM |
Scanning Probe Microscopy |
| SPOOL |
Simultaneous Peripheral Operation On Line |
| SPS |
Stand-by Power Supply |
| SPST |
Single Pole Single Throw |
| SPT |
Sectors Per Track |
| SPU |
Single Processor Unit |
| SQL |
Structured Query Language |
| SQUID |
Superconducting Quantum Interface |
| SR |
Shift Register |
| SRAM |
Static Random Access Memory |
| SS |
Single Sided |
| SSA |
Serial Storage Architecture |
| SSB |
Single SideBand |
| SSC |
Station Selection Code |
| SSI |
Small Scale Integration |
| SSOP |
Shrink Small Outline Package |
| SSR |
Solid State Relay |
| SST |
Single Sideband Transmission |
| SSTV |
Slow Scan TeleVision |
| STDM |
Synchronous Time Division Multiplexing |
| STM |
Scanning Tunnelling Microscope |
| STN |
Super Twisted Nematic |
| STR |
Synchronous Transmitter-Receiver |
| STS-1 |
Synchronous transfer signal level 1. A Sonet standard for
transmission over OC-1 optical fibre at 51.84Mbit/s
|
| STS-3 |
Synchronous transfer signal level 3. A Sonet standard for
transmission over OC-3 optical fibre at 155.84Mbit/s
|
| STU |
Streaming Tape Unit |
| SVGA |
Super Video Graphics Array (or Adapter) |
| S-VHS |
Super Video Home System |
| SW |
Short Wave |
| SWIFT |
Society for Worldwide Interbank Financial |
| SWTL |
Surface Wave Transmission Line |
| SYSGEN |
SYStem GENeration |
| T1 |
Digital transmission link standard in North America
supporting 1.544Mbit/s
|
| T3 |
Digital transmission link standard in North America which
supports 44.736Mbit/s
|
| TAB |
Tape Automated Bonding |
| TACS |
Total Access Communications Systems |
| TAPI |
Telephone Applications Programming Interface |
| TASI |
Time Assignment Speech Interpolation |
| TC |
Temperature Coefficient |
| TCAM |
TeleCommunications Access Method |
| TCF |
Technical Construction File |
| TCL |
Tool Command Language |
| TCM |
Terminal to Computer Multiplexer |
| TCM |
Trellis Code Modulation |
| TCP |
Transmission Control Protocol |
| TCP/IP |
Transmission Control Protocol/Internet Protocol |
| TCSEC |
Trusted Computer System Evaluation Criteria |
| TCU |
Terminal Control Unit |
| TD |
Tunnel Diode |
| TDM |
Time Division Multiplexing |
| TDMA |
Time Division Multiple Access |
| TTN |
Technology Transfer Node |
| TEM |
Transverse Electromagnetic |
| TF |
Transfer Function |
| TFD |
Thin Film Detector |
| TFEL |
Thin Film ElectroLuminescent |
| TFT |
Thin Film Transistor |
| THD |
Total Harmonic Distortion |
| THz |
TeraHertz |
| TI |
Texas Instruments |
| TIA |
Telecommunications Industry Association |
| TIFF |
Tagged Image File Format |
| TIGA |
Texas Instruments Graphics Adapter |
| TLB |
Translation-Lookaside Buffer |
| TLI |
Transport Level Interface |
| TM |
Transverse Magnetic |
| TOC |
Table Of Contents |
| TPU |
Time Processor Unit |
| TQA |
Total Quality Assurance |
| TQFP |
Thin Quad Flat Pack |
| TR |
Transient Response |
| TS |
Time Sharing |
| TSO |
Time Sharing Option |
| TSOP |
Thin Small Outline Package |
| TSSOP |
Thin Shrink Small Outline Package |
| TSR |
Terminate and Stay Resident |
| TTL |
Transistor Transistor Logic |
| TTS |
Time Sharing System |
| TTY |
TeleTYpewriter |
| TUV |
Technischer Ðberwachuags Verein |
| TWT |
Travelling Wave Tube |
| UART |
Universal Asynchronous Receiver/Transmitter |
| UAV |
Unmanned Aerial Vehicle |
| UBC |
Universal Block Channel |
| UBR |
Unspecified Bit Rate traffic |
| UCM |
Universal Cable Module |
| UCS |
Universal Character Set |
| UDLC |
Universal Data Link Protocol |
| UHF |
Ultra High Frequency |
| UHV |
Ultra High Vacuum |
| UJT |
UniJunction Transistor |
| UKAS |
United Kingdom Accreditation Service |
| UL |
Underwriters Laboratories |
| ULSI |
Ultra Large Scale Integration |
| UMB |
Upper Memory Block |
| UMIST |
University of Manchester Institute of Science and Technology |
| UML |
Unified Modelling Language |
| UMTS |
Universal Mobile Telecommunications System |
| UPC |
Universal Product Code |
| UPS |
Uninterruptible Power Supply |
| URL |
Universal Resource Locator Logical address identifying a
resource on the Internet
|
| URL |
User Requirements Language |
| USART |
Universal Synchronous-Asynchronous Receiver/Transmitter |
| USB |
Universal Serial Bus |
| USM |
Unlisted Securities Market |
| USRT |
Universal Synchronous Receiver Transmitter |
| UTC |
Universal Time Coordinated |
| UTC |
Universal Time Code |
| UTOC |
User Table of Contents |
| UTP |
Unshielded Twisted Pair |
| UUCP |
Unix to Unix Copy Program |
| UV |
UltraViolet |
| UVLO |
UnderVoltage LockOut |
| V |
Volt |
| VA |
Volt Ampere |
| VAC |
Volts Alternating Current |
| VAN |
Value Added Network |
| VAR |
Value Added Reseller |
| VAR |
VARiable |
| VBR |
Variable Bit Rate traffic |
| VCA |
Voltage Control Amplifier |
| VCCI |
Voluntary Control Council for Interference |
| VCD |
Variable Capacitance Diode |
| VCF |
Voltage Control Filter |
| VCO |
Voltage Controlled Oscillator |
| VCR |
Video Cassette Recorder |
| VCSEL |
Vertical Cavity Surface Emitting Laser |
| VCXO |
Voltage Controlled Crystal Oscillator |
| VDB |
Visitor Data Base |
| VDC |
Volts Direct Current |
| VDD |
Virtual Device Driver |
| VDI |
Virtual Device Interface |
| VDLS |
Very high speed Digital Subscriber Lines |
| VDMOS |
Vertical Double-diffused Metal Oxide Semiconductor |
| VDN |
Virtual Data Network |
| VDR |
Voltage Dependent Resistor |
| VDT |
Video Display Terminal |
| VDU |
Video Display Unit |
| VESA |
Video Electronics Standards Association |
| VF |
Vacuum Fluorescent |
| VF |
Voice Frequency |
| VFAT |
Virtual File Allocation Table |
| VFC |
Voltage to Frequency Converter |
| VFO |
Variable Frequency Oscillator |
| VGA |
Video Graphics Array (or Adapter) |
| VGC |
Video Graphics Controller |
| VHDL |
VHSIC Hardware Description Language |
| VHF |
Very High Frequency |
| VHS |
Very High Speed |
| VHS |
Video Home System |
| VHS-C |
Video Home System-Compact |
| VHSIC |
Very High Speed Integrated Circuit |
| VIO |
Virtual Input/Output |
| VIS |
Visual Instruction Set |
| VISC |
Video Instruction Set Computing |
| VLB |
VESA Local Bus or VL-Bus |
| VLF |
Very Low Frequency |
| VLIW |
Very Long Instruction Word |
| VLSI |
Very Large Scale Integration |
| VLT |
Video Look up Table |
| VM |
Virtual Machine |
| VM |
Virtual Memory |
| VME |
Versa Module Eurocard |
| VMOS |
V-groove Metal Oxide Semiconductor |
| VMS |
Virtual Memory System |
| VOIP |
Voice Over Internet Protocol |
| VOL |
Volume Label |
| VOM |
Volt OhmMeter |
| VOX |
Voice Operated transmit |
| VPN |
Virtual Private Network |
| VR |
Virtual Reality |
| VR |
Voltage Regulator |
| VRAM |
Video Random Access Memory |
| VRC |
Vertical Redundancy Check |
| VRML |
Virtual Reality Modelling Language |
| VS |
Virtual Storage |
| VS |
Vertical Sync |
| VSAM |
Virtual Storage Access Method |
| VSI |
Virtual Socket Interface |
| VSIA |
Virtual Socket Interface Alliance |
| VSWR |
Voltage Standing Wave Ratio |
| VT |
Validation Test |
| VT |
Virtual Terminal |
| VTAM |
Virtual Telecommunications Access Method |
| VTM |
Voltage Tunable Magnetron |
| VTOC |
Volume Table Of Contents |
| VTR |
Video Tape Recorder |
| VTVM |
Vacuum Tube Volt Meter |
| VU |
Volume Unit |
| VVMOS |
Vertical V-groove Metal Oxide Semiconductor |
| VXO |
Variable crystal Oscilator |
| WABI |
Windows Application Binary Interface |
| WACK |
Wait before ACKnowledge |
| WAIS |
Wide Area Information Server |
| WAN |
Wide Area Network |
| WARC |
World Administration Radio Conference |
| WATS |
Wide Area Telephone Service |
| WCDMA |
Wideband Code Division Multiple Access |
| WD |
Western Digital |
| WDC |
World Data Centre |
| WDM |
Wavelength Division Multiplexing |
| WDT |
Watch Dog Timer |
| WE |
Write Enable |
| WHR |
Watt HouR |
| WIMP |
Windows Icons Menus and Pointing device |
| WINS |
Windows Internet Names Services |
| WISE |
World Information Systems Exchange |
| WLL |
Wireless Local Loop |
| WMF |
Windows Meta File |
| WORM |
Write-Once Read-Many |
| WOSA |
Windows Open System Architecture |
| WP |
Word Processor |
| WP |
Write Protect |
| WPM |
Words Per Minute |
| WR |
WRite - logic signal |
| WRAM |
Window Random Access Memory |
| WRS |
Wireless Relay Station |
| WS |
Wait State |
| WSTS |
World Semiconductor Trade Statistics |
| WV |
Working Voltage |
| WW |
Wire Wound |
| WWW |
World Wide Web |
| WYSIWYG |
What You See Is What You Get |
| XA |
eXtended Architecture |
| XCA |
eXternal Communication Adapter |
| XGA |
eXtended Graphics Array |
| XGA |
eXtended Graphics Adapter |
| XMS |
eXtended Memory Specification |
| XMT |
TransMiT |
| XNS |
Xerox Network Services |
| XOR |
eXclusive OR |
| XT |
eXtended Technology |
| XTAL |
crysTAL |
| YAG |
Yttrium Aluminium Garnet - Material used in lasers |
| YIG |
Yttrium Iron Garnet |
| YUV |
Luminance and Chrominance vectors |
| ZBR |
Zero Bit Reduction |
| ZBR |
Zone Bit Recording |
| ZD |
Zero Defects |
| ZIF |
Zero Insertion Force |
| ZIP |
Zigzag Inline Packag |
