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172 Glossary
EIDE — enhanced integrated device electronics — An
improved version of the IDE interface for hard drives and
CD drives.
EMI — electromagnetic interference — Electrical
interference caused by electromagnetic radiation.
ENERGY STAR
®
— Environmental Protection Agency
requirements that decrease the overall consumption of
electricity.
EPP — enhanced parallel port — A parallel connector
design that provides bidirectional data transmission.
ESD — electrostatic discharge — A rapid discharge of
static electricity. ESD can damage integrated circuits
found in computer and communications equipment.
expansion card — A circuit board that installs in an
expansion slot on the system board in some computers,
expanding the capabilities of the computer. Examples
include video, modem, and sound cards.
expansion slot — A connector on the system board (in
some computers) where you insert an expansion card,
connecting it to the system bus.
ExpressCard — A removable I/O card adhering to the
PCMCIA standard. Modems and network adapters are
common types of ExpressCards. ExpressCards support
both the PCI Express and USB 2.0 standard.
Express Service Code — A numeric code located on a
sticker on your Dell™ computer. Use the Express Service
Code when contacting Dell for assistance. Express Service
Code service may not be available in some countries.
extended display mode — A display setting that allows
you to use a second monitor as an extension of your
display. Also referred to as dual display mode.
extended PC Card — A PC Card that extends beyond the
edge of the PC Card slot when installed.
F
Fahrenheit — A temperature measurement scale where
32° is the freezing point and 212° is the boiling point of
water.
FCC — Federal Communications Commission — A U.S.
agency responsible for enforcing communications-related
regulations that state how much radiation computers and
other electronic equipment can emit.
floppy — An electromagnetic form of storage media. Also
known as a floppy diskette or a floppy disk.
floppy drive — A disk drive that can read and write to
floppy disks.
folder — A term used to describe space on a disk or drive
where files are organized and grouped. Files in a folder can
be viewed and ordered in various ways, such as
alphabetically, by date, and by size.
format — The process that prepares a drive or disk for file
storage. When a drive or disk is formatted, the existing
information on it is lost.
FSB — front side bus — The data path and physical
interface between the processor and RAM.
FTP — file transfer protocol — A standard Internet
protocol used to exchange files between computers
connected to the Internet.
G
G — gravity — A measurement of weight and force.
GB — gigabyte — A measurement of data storage that
equals 1024 MB (1,073,741,824 bytes). When used to
refer to hard drive storage, the term is often rounded to
1,000,000,000 bytes.
GHz — gigahertz — A measurement of frequency that
equals one thousand million Hz, or one thousand MHz.
The speeds for computer processors, buses, and interfaces
are often measured in GHz.
graphics mode — A video mode that can be defined as x
horizontal pixels by y vertical pixels by z colors. Graphics
modes can display an unlimited variety of shapes and
fonts.
GUI — graphical user interface — Software that interacts
with the user by means of menus, windows, and icons.
Most programs that operate on the Windows operating
systems are GUIs.