xiv Abbreviations
GB g igabyte
GND gro und
HE X hexadecimal
HGA Hercules Graphics Adapter
Hz hert z
I C integrated circuit
ID identification
IDE intelligent device electronics
IDT R interrupt descriptor table
register
in. inch
INT A interrupt acknowledge
I/O input /output
IP B illustrated parts breakdown
IPC integrated peripheral
controller
ips inches per second
I R infrared
IrDA Infrared Data Association
IRR Interrupt Request register
IS A Industry Standard
Architecture
I S P internet service provider
IRQ interrup t requ e st
K kilo (1024)
k kilo (1000)
KB k ilobyte
kg k ilogram
kHz k ilohertz
lb pound
L AN local area network
LE D light-emitting d iode
LDCM LANDesk Client Manager
LSB least-significant bit
LSI large-scale integrat ion
M mega (million)
mA m illiamps
ma x maximum
MB megabyte
MFM modified frequency
modul ation
MHz megahert z
M ID I musical inst r u ment digital
interface
mm millimeter
M M X multimed ia extensio ns
modem modulator/demodulator
MOS metal-oxide semiconducto r
MP E G Motion Picture Experts Group
ms m illisecond
MSB most-significant bit
NC not connected
NI C networked informat ion center
NMI Non-maskable Interrupt
ns na nosecond
OCR optical character recognition
OS operating system
PAL programmable array logic
PC personal computer
PCB printed circuit board
P CI Perip hera l Compo nent
Interconnect
PDA personal digital assistant
PFP plastic flat package
PIO parallel input/output
pixel picture element
PLCC plastic leaded chip carrier
P LL p h a se loc k lo op
POST Power-On Self-Test
p- p peak-to-peak
PPI programmable peripheral
interface
PROM programmable ROM
P S / 2 personal syste m/2
QFP quad flat pack
R r ead
RAM random-access memory
RAMDAC RAM digital-to-analog
converter
RAS row address stro be
RGB red green blue
RGBI red green blue intensity