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

CDMA

Code Division Multiple Access

CDROM

Compact Disk Read Only Memory

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

CRCF

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

DATA

Dados

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

DEMP

Áudio

DES

Data Encryption Standard

DID

Direct Inward Dial

DIN

Deutsche Industrie Norm

DIP

Dual-In-line Package

DIRC

Servo

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

DRIVER

Excitador ( circuito integrado saída )

DS

Double Sided

DSP

Digital Signal Processor

DSR

Data Set Ready

DTC

Data Terminal Controller

DTE DTMF DTR DVD E

Data Terminal (Terminating) Equipment Dual-Tone Multi-Frequency Data Terminal Ready Digital Video Disk EMF

EBCDIC ECC

Extended Binary Coded Decimal Interchange Code Error Correction Code

ECL ECN ECO ECR EEPROM EGA EIA

Emitter-Coupled Logic Engineering Change Notice Engineering Change Order Engineering Change Request Electrically Erasable Programmable Read-Only Memory Enhanced Graphics Adapter Electronic Industries Association

EISA EMF

Enhanced Industry Standard Architecture Electro-Motive Force

EMI EMS EOF

Electro-Magnetic Interference Expanded Memory Specification End Of File

EOL

End Of Line

EPROM ESD ESDI

Erasable Programmable Read-Only Memory Electro-Static Discharge Enhanced Small Devices Interface

F

Farads

FAT

File Allocation Table

FCC

Federal Communications Commission

FDD FDDI

Floppy Disk Drive Fiber Distributed Data Interface

FDM FDMA FDX FE

Frequency Division Multiplexing Frequency Division Multiple Access Full-Duplex Transmission Front End

FEP

Front End Processor

FF

Form Feed

FF FFT

Flip-Flop Fast Fourier Transform

FIFO

First-In First-Out

FILO

First-In Last-Out

FLOPS FM FPGA FPU FRU FSK FTP G GAs

Floating-point Operations Per Second Frequency Modulation Field Programmable Gate Array Floating Point Unit Field-Replaceable Unit Frequency Shifty Keying File Transfer Program Giga (109 ) Gallium Arsenide

GFLOPS GHz GNU

Billions (10^9) of FLOating Point Operations Per Second ("Giga-Flops") Giga Hertz((109 Hz) Gnu's Not Unix

GPIB GUI H

General Purpose Interface Bus Graphical User Interface Henries

H

Magnetic Force

HD

High Density

HDD

Hard Disk Drive

HDX

Half-Duplex Transmission

HFS

Hierarchical File System

HP

Hewlett-Packard

HPIB

Hewlett-Packard Interface Bus

I

Current

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

IR

Infra-vermelho

IRQ

Interrupt ReQuest

ISA

Industry Standard Architecture

ISDN

Integrated Services Digital Network

ISO

International Standards Organization

ISP

ISP Internet Service Provider

J

Joules unidade de energia

K

Kilo= (103 )

KEY-DATA

Chave de dadosdo teclado

KVA

Kilo Volt-Amps

L/R SW

Chaveamento canal esq./dir.

LAN

Local Area Network

LAP

Link Access Protocol

LAPB

Link Access Protocol Balanced

LCD

Liquid Crystal Display

LDM

Load-motor

LED

Light Emitting Diode (diodo emissor de luz)

LF

Line Feed

LIFO

Last In First Out

LOAD-MOTOR Motor de carregamento

LSB

Least Significant Bit (or Byte)

LSI

Large Scale Integration

LSW

Chave de carregamento

LUN

Logical Unit Number

M

Mega (106 )

m

milli (10-3 )

MAN

Metropolitan Area Network

MATRIZ

Teclado

MATRIZ - X/Y

Teclado linha e coluna

MB

Mega Bytes= 106 Bytes

MBR

Master Boot Record

MCA

Micro Channel Architecture

MCGA

Multi-Color Graphics Array

MCM

Multi-Chip Module

mfd ou 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

MUTG

Áudio

n

nano=(10-9 )

N/C

No-Connect

NAND

Not And

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

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

PCTL

Fonte

PE

Professional Engineer

pF

Pico Farad

PGA

Pin Grid Array

PIA

Peripheral Interface Adapter

PIC

Programmable Interrupt Controller

PICK

PIO

Programmed Input/Output

PLA

Programmable Logic Array

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

Charge

QAM

Quadrature Amplitude Modulation

QFP

Quad-FlatPack

R

Resistance

R/C

Radio Control

RAM

Memória de acesso randômico ( aleatórico )

RAM

Random Access Memory

RAS

Row Address Strobe

RC

Controle remoto

RC

Resistor - Capacitor

RCA

Radio Corporation of America

RESET

Pulso rápido, serve p/ reiniciar o micro

RF

Radio Frequency

RFC

Radio Frequency Choke

RFCK

Sinal de clock de leitura de quadros

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

RR

Receptor remoto

RS

Recommended Specification

RST

Reset

RTC

Real Time Clock

RTS

Request To Send

S

Siemens

SASI

Shugart Associates Standard Interface

SCAN

Pulso de busca varredura de teclado

SCOR

SCSI

Small Computer Systems Interface

SD

Single Density

SDLC

Synchronous Data Link Control

SENS

SHAPING-

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

SOIC

Small Outline Integrated Circuit

SOT

Small Outline Transistor

SPOOL

Simultaneous Peripheral Operation On Line

SPST

Single-Pole Single-Throw (switch)

SPT

Sectors Per Track

SQE

Signal Quality Error

SRAM SS STDM STN STP

Static Random Access Memory Single Sided Synchronous Time Division Multiplexing Super Twisted Nematic Shielded Twisted Pair

STU SUBQ.

Streaming Tape Unit

SVGA TCM

Super Video Graphics Array Trellis Code Modulation

TCP/IP TDM TDMA TI

Transmission Control Protocol / Internet Protocol Time Division Multiplexing Time Division Multiple Access Texas Instruments

TIA TPI

Telecomm. Industry Assocation Tracks Per Inch

TSR TTL TUV UART UDP UMB UPS UTP

Terminate and Stay Resident Transistor-Transistor Logic Technischer Ueberwachuags Verein Universal Asynchronous Receiver/Transmitter User Datagram Protocol Upper Memory Block Uninterruptible Power Supply Unshielded Twisted Pair

UUCP UV

Unix to Unix Copy Program Ultra Violet

VCO VCR

Osc.controle por tensão Video Cassette Recorder

VESA

Video Enhanced Standards Association

VGA VLB

Video Graphics Array VESA Local Bus

VLSI VM VME

Very Large Scale Integration Virtual Memory Versa Module Eurocard

VRAM VSEL-VTR W WAN

Video Random Access Memory Tensão de referência( eixo de decisão ) Video Tape Recorder Watts=1J/s Wide Area Network

WATS WFCK WLCN

Wide Area Telephone Service Indica a frequência de palavras ( 16 bits )

WORM WWW

Write-Once Read-Many World Wide Web

XGA XLT

eXtended Graphics Array

XMS XOR

Extended Memory Specification Exclusive-Or

XRST

Y

Admittance

Z ZIF

Impedance Zero Insertion Force