SNMP Reference Guide

Glossary 701

graphics coprocessor

See coprocessor.

graphics mode

A video mode that can be defined as

horizontal by

vertical pixels by

colors.

group

As it relates to DMI, a group is a data structure that defines common information,

or attributes, about a manageable component.

GTL

Abbreviation for ground termination logic.

GUI

Acronym for graphical user interface.

Abbreviation for 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

heat sink

A metal plate with metal pegs or ribs that help dissipate heat. Most

microprocessors include a heat sink.

HIP

Abbreviation for Hardware Instrumentation Package (HIP).

HMA

Abbreviation for 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-drive controller subsystems include

integrated host adapter circuitry.) To add a SCSI expansion bus to your system,

you must install or connect the appropriate host adapter.