Siglas Mais Usuais (em Ingles)
A, B, C, D, E, F, GHI, JKL, M, NO, P, QR, S, T, UV, WXYZ
A
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
Topo
B
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
Topo
C
C Capacitância
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
Topo
D
D Dissipation Factor
D/A Digital to Analog
DAC Digital to Analog Converter
DAT Digital Audio Tape
dB (DB) deciBels
dBm dB referenciado a 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
Topo
E
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 Read-Only 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
Topo
F
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
Topo
G - H - I
G Giga (109 )
GAs Gallium Arsenide
GFLOPS Billions (10^9) of FLOating Point Operations Per Second ("Giga-Flops")
GHz Giga Hertz((109 Hz)
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 I
SA Industry Standard Architecture
ISDN Integrated Services Digital Network
ISO International Standards Organization
ISP ISP Internet Service Provider
Topo
J - K - L
J Joules unidade de energia
K Kilo= (103 )
KVA Kilo Volt-Amps
LAN Local Area Network
LAP Link Access Protocol
LAPB Link Access Protocol Balanced
LCD Liquid Crystal Display
LED Light Emitting Diode (diodo emissor de luz)
LF Line Feed
LIFO Last In First Out
LSB Least Significant Bit (or Byte)
LSI Large Scale Integration
LUN Logical Unit Number
Topo
M
M Mega (106 )
m milli (10-3 )
MAN Metropolitan Area Network
MB Mega Bytes= 106 Bytes
MBR Master Boot Record
MCA Micro Channel Architecture
MCGA Multi-Color Graphics Array
MCM Multi-Chip Module
mF micro Farads=10-6 F
MFLOPS Millions of FLOating Point Operations per Second ("MegaFlops")
MFM Modified Frequency Modulated
MHz MegaHertz= 106 Hz
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
Topo
N - O
n nano=(10-9 )
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
Topo
P
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
Topo
Q - R
Q Charge
QAM Quadrature Amplitude Modulation
QFP Quad-FlatPack
R Resistance
RAM Random Access Memory
RAS Row Address Strobe
RCA Radio Corporation of America
R/C Radio Control
RC Resistor - Capacitor
RF Radio Frequency
RFC Radio Frequency Choke
RFI Radio Frequency Interference
RFP Request For Proposal
RFQ Request For Quotation
RI Ring Indicator
RISC Reduced Instruction-Set Computer
RLL Run Length Limited
RMS Root Mean Square
ROM Read-Only Memory
RPM Revolutions Per Minute
RS Recommended Specification
RTC Real Time Clock
RTS Request To Send
Topo
S
S Siemens
SASI Shugart Associates Standard Interface
SCSI Small Computer Systems Interface
SD Single Density
SDLC Synchronous Data Link Control
SIMM Single Inline Memory Module
SIP Single Inline Package
SLIP Serial Line Internet Protocol
SMD Surface Mount Device
SMT Surface Mount Technology
SNA System Network Architecture
SNR 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
Topo
T
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
Topo
U - V
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
Topo
W - X - Y - Z
W Watts=1J/s
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 Exclusive-Or
Y Admittance
Z Impedance
ZIF Zero Insertion Force
Topo