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Abbreviations

Abbreviations for units of measure used in this book include

A amperes MHz megahertz
cm centimeters mm millimeters
dB decibels ms milliseconds
GB gigabytes mV millivolts
Hz Hertz ns nanoseconds
KB kilobytes pF picofarads
Kbit kilobits sec. seconds
kHz kilohertz V volts
k kilohms W watts
mA milliamperes F microfarads
MB megabytes s microseconds
Mbit megabits ohms

Other abbreviations used in this book include

ADC analog-to-digital converter
ANSI American National Standards Institute
AOCE Apple Open Collaborative Environment
API application programming interface
ASCII American Standard Code for Information Interchange
ASIC application-specific integrated circuit
ASLM Apple Shared Library Manager
AV audio/video
BIOS basic I/O system
CD-ROM compact disc ROM
CFM Code Fragment Manager
CLUT color lookup table
CPU central processing unit
DAC digital-to-analog converter
DAV digital audio/video
DCE device control entry
DDC Display Data Channel
DEVSEL device select
DLL Driver Loader Library
DLPI Data Link Provider Interface
DLSAP data link service access point
DMA direct memory access
DPMS Device Power Management Standard
DSAP destination service access point
DSL Driver Services Library
FDDI Fiber Distributed Data Interface
FIFO first in, first out
FPI family programming interface
FTP file transfer protocol
HFS hierarchical file system
IC integrated circuit
ID identifier
IDE Integrated Drive Electronics
IDR interrupt disabler routine
IEEE Institute of Electrical and Electronics Engineers
IER interrupt enabler routine
IIC inter-IC control (also called I2C)
I/O input/output
IOPB I/O parameter block
IPX Internet Packet Exchange
ISA Instrument Society of America
ISR interrupt service routine
IST interrupt source tree
LIFO last in, first out
LSB least significant byte
LUN logical unit number
MPEG Motion Picture Expert Group
MPW Macintosh Programmer's Workshop
MSB most significant byte
n.a. not applicable
NC no connection
NTSC National Television System Committee
NVRAM nonvolatile RAM
PAL Phased Alternate Lines
PCI Peripheral Component Interconnect
PCMCIA Personal Computer Memory Card International Association
PEF Preferred Execution Format
PLL phase-locked loop
PRAM parameter RAM
RAM random-access memory
RGB red-green-blue
RISC reduced instruction set computing
ROM read-only memory
SAP service access point
SCSI Small Computer System Interface
SECAM Système Electronique Couleur avec Mémoire
SGR Select Graphic Rendition
SIG special interest group
SIM SCSI Interface Module
SNAP subnet access protocol
SNR signal-to-noise ratio
SPI system programming interface
SSAP source service access point
TCP/IP Transmission Control Protocol/Internet Protocol
TPI Transport Provider Interface
VBL vertical blanking
VCR videocassette recorder
VESA Video Electronics Standards Association
VGA video graphics adapter
VIA versatile interface adapter
VRAM video RAM
VSL Video Services Library
XID exchange identifier
XPT transport


© 1999 Apple Computer, Inc. – (Last Updated 26 March 99)