Commonly Used Acronyms
Commonly Used Acronyms
A
Amperes
AC
Alternating Current
A/D Analog to Digital
ADC Analog to Digital Converter
AE
Applications Engineer
AI
Artificial Intelligence
ALU Arithmetic-Logic Unit
AM Amplitude Modulation
AMD Advanced Micro Devices, Inc.
ANSI American National Standards Institute
ARQ Automatic Retransmission reQuest
ASCII
American Standard Code for Information
Interchange
ASEE American Society for Engineering Education
ASIC Application Specific Integrated Circuit
ASPI Advanced SCSI Programming Interface
ATDM
Asynchronous Time Division Multiplexing
ATM Asynchronous Transfer Mode
AUI Attached Unit Interface
B
Magnetic Flux
BBS Bulletin Board System
BCC Block Check Character
BCD Binary Coded Decimal
BiCMOS
Bipolar Complementary Metal-Oxide Semiconductor
BIOS Basic Input / Output System
BNC Bayonet Nut(?) Connector
BPS/bps
Bytes/bits Per Second
BSC Binary Synchronous Communications
BSD Berkeley Standard Distribution
C
Capacitance
CAD Computer Aided Design
CAM Computer Aided Manufacturing
CAM Content Addressable Memory
CAS Column Address Strobe
CBX Common Branch eXtender
CCD Charge Coupled Device
CCITT
Consultative Committee of International
Telephony and Telegraphy
CD
Carrier Detect
CDDI Copper Distributed Data Interface
CDROM
Compact Disk Read Only Memory
CDMA
Code Division Multiple Access
CGA Color Graphics Adapter
CISC Complex Instruction-Set Computer
CLA Carry Look-ahead Adder
CMOS
Complementary Metal-Oxide Semiconductor
CP/M Control Program / Monitor
CPI Clocks Per Instruction
CPLD
Complex Programmable Logic Device
CPU Central Processing Unit
CR
Carriage Return
CRC Cyclic Redundancy Code
CRQ Command Response Queue
CRT Cathode Ray Tube
CS
Chip Select / Check-Sum
CSMA
Carrier Sense Multiple-Access
CSMA/CD Carrier Sense Multiple-Access with Collision Detect
CSR Command Status Register
CTS Clear To Send
D
Dissipation Factor
D/A Digital to Analog
DAC Digital to Analog Converter
DAT Digital Audio Tape
dB
(DB) deciBels
dBm dB referenced to 1 milliWatt
DC
Direct Current
DCD Data Carrier Detect
DCE Data Circuit (Channel) Equipment
DD
Double Density
DDD Direct Distance Dialing
DEC Digital Equipment Corporation
DES Data Encryption Standard
DID Direct Inward Dial
DIN Deutsche Industrie Norm
DIP Dual-In-line Package
DMA Direct Memory Access
DOS Disk Operating System
DPDT
Double-Pole Double-Throw (switch)
DPE Data Parity Error
DPSK
Differential Phase Shift Keying
DRAM
Dynamic Random Access Memory
DS
Double Sided
DSP Digital Signal Processor
DSR Data Set Ready
DTC Data Terminal Controller
DTE Data Terminal (Terminating) Equipment
DTMF
Dual-Tone Multi-Frequency
DTR Data Terminal Ready
DVD Digital Video Disk
E
EMF
EBCDIC
Extended Binary Coded Decimal Interchange Code
ECC Error Correction Code
ECL Emitter-Coupled Logic
ECN Engineering Change Notice
ECO Engineering Change Order
ECR Engineering Change Request
EEPROM
Electrically Erasable Programmable ReadOnly Memory
EGA Enhanced Graphics Adapter
EIA Electronic Industries Association
EISA Enhanced Industry Standard Architecture
EMI Electro-Magnetic Interference
EMF Electro-Motive Force
EMS Expanded Memory Specification
EOF End Of File
EOL End Of Line
EPROM
Erasable Programmable Read-Only Memory
ESD Electro-Static Discharge
ESDI Enhanced Small Devices Interface
F
Farads
FAT File Allocation Table
FCC Federal Communications Commission
FDD Floppy Disk Drive
FDDI Fiber Distributed Data Interface
FDM Frequency Division Multiplexing
FDMA
Frequency Division Multiple Access
FDX Full-Duplex Transmission
FE
Front End
FEP Front End Processor
FF
Form Feed
FF
Flip-Flop
FFT Fast Fourier Transform
FIFO First-In First-Out
FILO First-In Last-Out
FLOPS
Floating-point Operations Per Second
FM
Frequency Modulation
FPGA
Field Programmable Gate Array
FPU Floating Point Unit
FRU Field-Replaceable Unit
FSK Frequency Shifty Keying
FTP File Transfer Program
G
Giga
GAs Gallium Arsenide
GFLOPS
Billions (10^9) of FLOating Point Operations Per Second ("Giga-Flops")
GHz Giga Hertz
GNU Gnu's Not Unix
GPIB General Purpose Interface Bus
GUI Graphical User Interface
H
Henries
H
Magnetic Force
HD
High Density
HDD Hard Disk Drive
HDX Half-Duplex Transmission
HFS Hierarchical File System
HP
Hewlett-Packard
I
Current
HPIB Hewlett-Packard Interface Bus
I/O
Input / Output
IBM International Business Machines Corp.
IC
Integrated Circuit
IDC Insulation Displacement Connector
IDE Integrated Device Electronics
IEEE Institute of Electrical and Electronic Engineers
IMP Interface Message Processor
IP
Internet Protocol
IPC InterProcess Communication
IRQ Interrupt ReQuest
ISA Industry Standard Architecture
ISDN Integrated Services Digital Network
ISO International Standards Organization
ISP
ISP Internet Service Provider
J
K
KVA
LAN
LAP
LAPB
LCD
LED
LF
LIFO
LSB
LSI
LUN
Joules of energy
Kilo
Kilo Volt-Amps
Local Area Network
Link Access Protocol
Link Access Protocol Balanced
Liquid Crystal Display
Light Emitting Diode
Line Feed
Last In First Out
Least Significant Bit (or Byte)
Large Scale Integration
Logical Unit Number
M
Mega
m
milli
MAN Metropolitan Area Network
MB Mega Bytes
MBR Master Boot Record
MCA Micro Channel Architecture
MCGA
Multi-Color Graphics Array
MCM Multi-Chip Module
mfd micro Farads
MFLOPS
Millions of FLOating Point Operations
per Second ("MegaFlops")
MFM Modified Frequency Modulated
MHz MegaHertz
MIDI Musical Instrument Digital Interface
MIPS Millions of Instructions per Second
MMU
Memory Management Unit
MNP Microcom Network Protocol
MODEM
MOdulator / DEModulator
MOPS
Millions of Operations Per Second
MOS Metal-Oxide Semiconductor
MSB Most Significant Bit (or Byte)
MSDOS
Microsoft Disk Operating System
MSI Medium Scale Integration
MTBF
Mean Time Between Failures
n
nano
NAND
Not And
N/C No-Connect
NBS National Bureau of Standards
NEMA
National Electrical Manufacturers Association
NFS Network File System
NIC Network Interface Card
NIST National Institute of Standards and Technology
NMI Non-Maskable Interrupt
NMOS
Negatively doped Metal-Oxide Semiconductor
NOP No OPeration
NSF National Science Foundation
NVRAM
NonVolatile Random Access Memory
OCR Optical Character Recognition
ODI Open Datalink Interface
OEM Original Equipment Manufacturer
OS
Operating System
OSF Open Software Foundation
OSI Open Systems Interconnect
p
pico
PAL Programmable Array Logic
PLA Programmable Logic Array
PB
Push Button
PBX Private Branch eXchange
PC
Personal Computer, Program Counter
PCB Printed Circuit Board
PCI Peripheral Component Interconnect
PCM Pulse Code Modulation
PCMCIA
Personal Computer Memory Card International Association
PE
Professional Engineer
PGA Pin Grid Array
PIA Peripheral Interface Adapter
PIC Programmable Interrupt Controller
PIO Programmed Input/Output
PLCC
Plastic Leaded Chip Carrier
PLD Programmable Logic Device
PLL Phase Locked Loop
PMOS
Positively doped Metal-Oxide Semiconductor
POP Post Office Protocol (email)
POST Power On Self Test
POTS Plain Old Telephone Service
PPP Point-to-Point Protocol
PQFP Plastic Quad-FlatPack
PROM
Programmable Read-Only Memory
PSTN Public Switched Telephone Network
Q
QAM
QFP
R
RAM
RAS
RCA
R/C
RC
RF
RFC
RFI
RFP
RFQ
RI
RISC
RLL
RMS
ROM
RPM
RS
RTC
RTS
Charge
Quadrature Amplitude Modulation
Quad-FlatPack
Resistance
Random Access Memory
Row Address Strobe
Radio Corporation of America
Radio Control
Resistor - Capacitor
Radio Frequency
Radio Frequency Choke
Radio Frequency Interference
Request For Proposal
Request For Quotation
Ring Indicator
Reduced Instruction-Set Computer
Run Length Limited
Root Mean Square
Read-Only Memory
Revolutions Per Minute
Recommended Specification
Real Time Clock
Request To Send
S
SASI
SCSI
SD
SDLC
SIMM
SIP
SLIP
SMD
SMT
SNA
SNR
Siemens
Shugart Associates Standard Interface
Small Computer Systems Interface
Single Density
Synchronous Data Link Control
Single Inline Memory Module
Single Inline Package
Serial Line Internet Protocol
Surface Mount Device
Surface Mount Technology
System Network Architecture
Signal to Noise Ratio
SOT Small Outline Transistor
SOIC Small Outline Integrated Circuit
SPOOL
Simultaneous Peripheral Operation On
Line
SPST Single-Pole Single-Throw (switch)
SPT Sectors Per Track
SQE Signal Quality Error
SRAM
Static Random Access Memory
SS
Single Sided
STDM
Synchronous Time Division Multiplexing
STN Super Twisted Nematic
STP Shielded Twisted Pair
STU Streaming Tape Unit
SVGA
Super Video Graphics Array
TCM Trellis Code Modulation
TCP/IP
Transmission Control Protocol / Internet
Protocol
TDM Time Division Multiplexing
TDMA
Time Division Multiple Access
TI
Texas Instruments
TIA Telecomm. Industry Assocation
TPI Tracks Per Inch
TSR Terminate and Stay Resident
TTL Transistor-Transistor Logic
TUV Technischer Ueberwachuags Verein
UV
Ultra Violet
UART
Universal Asynchronous Receiver/
Transmitter
UDP User Datagram Protocol
UMB Upper Memory Block
UPS Uninterruptible Power Supply
UTP Unshielded Twisted Pair
UUCP
Unix to Unix Copy Program
VCR Video Cassette Recorder
VESA
Video Enhanced Standards Association
VGA Video Graphics Array
VLB VESA Local Bus
VLSI Very Large Scale Integration
VM Virtual Memory
VME Versa Module Eurocard
VRAM
Video Random Access Memory
VTR Video Tape Recorder
W
Watts
WAN Wide Area Network
WATS
Wide Area Telephone Service
WORM
Write-Once Read-Many
WWW
World Wide Web
XGA eXtended Graphics Array
XMS Extended Memory Specification
XOR
Y
Z
ZIF
Exclusive-Or
Admittance
Impedance
Zero Insertion Force
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