Dell XPS M140 (MXC051, Late 2005) User Manual

Page 166

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166

Glossary

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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.

H

hard drive — A drive that reads and writes data on a hard

disk. The terms hard drive and hard disk are often used

interchangeably.
heat sink — A metal plate on some processors that helps

dissipate heat.
help file — A file that contains descriptive or

instructional information about a product. Some help

files are associated with a particular program, such as Help

in Microsoft Word. Other help files function as stand-

alone reference sources. Help files typically have a

filename extension of .hlp or .chm.
hibernate mode — A power management mode that saves

everything in memory to a reserved space on the hard

drive and then turns off the computer. When you restart

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