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174 Glossary
EXPANSION BUS — Your system contains an expansion bus that allows the processor
to communicate with controllers for peripherals, such as NICs.
EXPANSION CARD — An add-in card, such as a NIC or SCSI adapter, that plugs into
an expansion-card connector on the system board. An expansion card adds some
specialized function to the system by providing an interface between the expansion
bus and a peripheral.
EXPANSION-CARD CONNECTOR — A connector on the system board or riser board for
plugging in an expansion card.
F—Fahrenheit.
FAT — File allocation table. The file system structure used by MS-DOS to organize
and keep track of file storage. The Microsoft® Windows® operating systems can
optionally use a FAT file system structure.
FLASH MEMORY — A type of EEPROM chip that can be reprogrammed from a utility
on diskette while still installed in a system; most EEPROM chips can only be rewritten
with special programming equipment.
FORMAT — To prepare a hard drive or diskette for storing files. An unconditional
format deletes all data stored on the disk.
FSB — Front-side bus. The FSB is the data path and physical interface between the
processor and the main memory (RAM).
FT — Feet.
FTP — File transfer protocol.
G — Gram(s).
G—Gravities.
G
B — Gigabit(s); 1024 megabits or 1,073,741,824 bits.
GB — Gigabyte(s); 1024 megabytes or 1,073,741,824 bytes. However, when referring
to hard-drive capacity, the term is usually rounded to 1,000,000,000 bytes.
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.
GUARDING — A type of data redundancy in which a set of physical drives stores data
and an additional drive stores parity data. See also mirroring, striping, and RAID.