Compatibility Guide

158 Glossary
FTP
Abbreviation for file transfer protocol.
g
Abbreviation for gram(s).
G
Abbreviation for gravities.
GB
Abbreviation for gigabyte(s). A gigabyte equals 1024 megabytes or 1,073,741,824
bytes.
gcc
Abbreviation for gnu C compiler.
graphics coprocessor
See coprocessor.
graphics mode
A video mode that can be defined as x horizontal by y vertical pixels by z colors.
GUI
Acronym for graphical user interface.
h
Abbreviation for hexadecimal. A base-16 numbering system, often used in
programming to identify addresses in the system'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.
HBA
Abbreviation for host bus adapter. A PCI adapter card that resides in the system
whose only function is to convert data commands from PCI-bus format to storage
interconnect format (examples: SCSI, Fibre Channel) and communicate directly
with hard drives, tape drives, CD drives, or other storage devices.
heat sink
A metal plate with metal pegs or ribs that help dissipate heat. Most
microprocessors include a heat sink.