A

amperes

MB

megabytes

dB

decibels

Mbps

megabits per second

GB

gigabytes

Mbits

megabits

Hz

hertz

MHz

megahertz

KB

kilobytes

mm

millimeters

kg

kilograms

ns

nanoseconds

kHz

kilohertz

V

volts

mA

milliamperes

VDC

volts direct current

mAh

milliampere-hours

10BASE-T

an Ethernet standard for data transmission at rates up to 10 Mbits per second

100BASE-T

an Ethernet standard for data transmission at rates up to 100 Mbits per second

1000BASE-T

an Ethernet standard for data transmission at rates up to 1000 Mbits per second

AGP

accelerated graphics port

AIM

ATA Interface Module

ANSI

American National Standards Institute

API

application programming interface

ASIC

application-specific integrated circuit

ATA

AT attachment

CAS

column address strobe, a memory control signal

CD

compact disc

CD-ROM

compact disc read-only memory

CLV

constant linear velocity

CPU

central processing unit

CRT

cathode ray tube, a video display device

DAA

data access adapter (a telephone line interface)

DAC

digital-to-analog converter

DDC

display data channel

DIMM

Dual Inline Memory Module

DB-DMA

descriptor-based direct memory access

DDK

device developer’s kit

DDR

double data rate, a type of SDRAM

DFS

dynamic frequency shift

DMA

direct memory access

DVI

Digital Visual Interface

EDO

extended data out

EHCI

Enhanced Host Controller Interface — USB 2.0 controller standard

EIDE

enhanced integrated device electronics

EDR

enhanced data rate

G4

Generation 4, the fourth generation of PowerPC microprocessors, incorporating AltiVec technology

GND

ground

HFS

hierarchical file system

HCRP

hardcopy cable replacement profiler

HID

human interface device, a class of USB devices

I2C

inter-IC control bus

I2S

inter-IC sound bus

IC

integrated circuit

IDE

integrated device electronics

IEC

International Electrotechnical Commission

I/O

input and output

ISM

industrial, scientific, and medicine

ISO

International Organization for Standardization

JEDEC

Joint Electron Device Engineering Council

L1

level 1 or first level, a type of CPU cache

L2

level 2 or second level, a type of CPU cache

LED

light emitting diode

Mac OS

Macintosh Operating System

MDI

Medium Dependent Interface

MDI-X

Medium Dependent Interface with Cross-Over

modem

modulator-demodulator, a data communications interface for use with analog telephone lines

NMI

nonmaskable interrupt

NOP

no operation

NVRAM

nonvolatile random-access memory

OFDM

orthogonal frequency-division multiplexing

OHCI

Open Host Controller Interface — USB 1.1 controller standard

OS

operating system

PCI

Peripheral Component Interconnect, an industry-standard expansion bus

PLL

phase-locked loop

RADIUS

Remote Authentication Dial-In User Service

RAM

random-access memory

RCA

Radio Corporation of America

rms

root mean square

ROM

read-only memory

SBP

Serial Bus Protocol

SCSI

Small Computer System Interface

SDK

software developer’s kit

SDR

Single Data Rate

SDRAM

synchronous dynamic RAM

SMS

Sudden Motion Sensor

SNR

signal to noise ratio

SO-DIMM

Small Outline Dual Inline Memory Module

SPD

Serial Presence Detect, a feature of the SO-DIMM

S/PDIF

Sony/Phillips Digital Interface (digital audio I/O)

TFT

thin film transistor

TMDS

transition minimized differential signaling

USB

Universal Serial Bus, an industry-standard expansion bus

VCC

positive supply voltage (voltage for collectors)

VPN

virtual private network

WEP

Wired Equivalent Privacy

Wi-Fi

Logo used by the Wireless Ethernet Compatibility Alliance for certification of interoperability of 802.11 products

WLAN

wireless LAN

ZCLV

zone constant linear velocity