Apple iMac User Manual
Page 70
A P P E N D I X A
Abbreviations
70
CHRP
Common Hardware Reference Platform
CPU
central processing unit
CRM
Communications Resource Manager
CRT
cathode ray tube, a video display device
DAA
data access adapter (a telephone line interface)
DAC
digital-to-analog converter
DIMM
Dual Inline Memory Module
DMA
direct memory access
EDO
extended data out
EEPROM
electrically eraseable programmable ROM
G3
Generation 3, the third generation of PowerPC
microprocessors, including the PPC 740 and PPC 750
GND
ground
HFS
hierarchical file system
HID
human interface device, a class of USB devices
IC
integrated circuit
IDE
integrated device electronics
IEC
International Electrotechnical Commission
I/O
input and output
IR
infrared
IrDA
Infrared Data Association
ISO
International Organization for Standardization
JEDEC
Joint Electron Device Engineering Council
JIS
Japanese Industrial Standards
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
MESH
the name of an Apple custom IC
modem
modulator-demodulator, a data communications interface
for use with analog telephone lines