G-1
Glossary
ACPI
(
A
dvanced
C
onfiguration &
P
ower
I
nterface
)
This power management specification enables the OS (operating system) to control the
amount of power given to each device attached to the computer. Windows 98/98SE,
Windows 2000 and Windows ME can fully support ACPI to allow users managing the
system power flexibly.
AGP
(
A
ccelerated
G
raphics
P
ort
)
A new, high-speed graphics interface that based on PCI construction and designed
especially for the throughput demands of 3-D graphics. AGP provides a direct channel
(32-bit wide bus) between the display controller and main memory for high graphics
quality and performance.
ATX
A modern shape and layout of mainboard that supersedes the widely-used Baby AT
form factor. It improves many placement of components and makes a more efficient
design.
BIOS
(
b
asic
i
nput/
o
utput
s
ystem
)
On PCs, an essential software that contains all the control code of input/output inter-
face (such as keyboard, disk drives, etc.). It executes hardware test on booting the
system, starts the OS, and provides an interface between the OS and the components.
The BIOS is stored in a ROM chip.
Bus
A set of hardware lines within the computer system, through which the data is trans-
ferred among different components. In a PC, the term
bus
usually refers to a local bus
that connects the internal components to the CPU and main memory.
Cache
A special memory subsystem that is used to speed up the data transfer. It stores the
contents of frequently accessed RAM locations and the addresses where these data
items are stored.
Chipset
A collection of integrated chips designed to perform one or more related functions. For
Glossary
Glossary
