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AC ’97
Audio Codec 97 (AC’97) refers to a codec standard developed by Intel®
in 1997.
AC P I
Advanced Configuration and Power Interface (ACPI) is an OS-directed
configuration, power management, and thermal management interface.
AHC I
Advanced Host Controller Interface (AHCI) is a SATA Host controller
register-level interface.
AT A
The Advanced Technology Attachment (ATA) interface connects storage
devices including hard disks and CD-ROM drives to a computer.
AR MD
An ATAPI Removable Media Device (ARMD) is any ATAPI device that
supports removable media, besides CD and DVD drives.
AS K IR
Amplitude Shift Keyed Infrared (ASKIR) is a form of modulation that
represents a digital signal by varying the amplitude (“volume”) of the
signal. A low amplitude signal represents a binary 0, while a high
amplitude signal represents a binary 1.
B IOS
The Basic Input/Output System (BIOS) is firmware that is first run when
the computer is turned on and can be configured by the end user
C ODE C
The Compressor-Decompressor (CODEC) encodes and decodes digital
audio data on the system.
C ompactF las h®
CompactFlash® is a solid-state storage device. CompactFlash® devices
use flash memory in a standard size enclosure. Type II is thicker than
Type I, but a Type II slot can support both types.
C MOS
Complimentary metal-oxide-conductor is an integrated circuit used in
chips like static RAM and microprocessors.
C OM
COM refers to serial ports. Serial ports offer serial communication to
expansion devices. The serial port on a personal computer is usually a
male D-sub 9 connector.
DAC
The Digital-to-Analog Converter (DAC) converts digital signals to analog
signals.
DDR
Double Data Rate refers to a data bus transferring data on both the rising
and falling edges of the clock signal.