Dell Precision 420 User Manual

Page 46

foot/feet

FTP

File Transfer Protocol

gram(s)

gravities

gigabyte(s). A gigabyte equals 1,024 megabytes or 1,073,741,824 bytes.

graphics coprocessor

See

coprocessor

graphics mode

A video mode that can be defined as x horizontal by y vertical pixels by z colors.

group

As it relates to DMI, a group is a data structure that defines common information, or attributes, about a manageable component.

GUI

graphical user interface

hexadecimal. A base-

16 numbering system, often used in programming to identify addresses in the computer's RAM and I/O memory addresses

for devices. The sequence of decimal numbers from 0 through 16, for example, is expressed in hexadecimal notation as: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
A, B, C, D, E, F, 10. In text, hexadecimal numbers are often followed by h.

heat sink

A metal plate with metal pegs or ribs that help dissipate heat. Most microprocessors include a heat sink.

HMA

high memory area. The first 64 KB of extended memory above 1 MB. A memory manager that conforms to the XMS can make the HMA a direct
extension of conventional memory. See also

upper memory area

and

XMM

host adapter

A host adapter implements communication between the computer's bus and the controller for a peripheral device. (Hard-disk drive controller
subsystems include integrated host adapter circuitry.)

HPFS

High Performance File System. A method of formatting and orgainizing data on a hard-disk drive.

hertz