Compaq Presario EZ Series - Manual (Page 113)

Glossary-6 Glossary
expansion slot A receptacle on the system board that accepts a device that adds functionality to the
computer, such as a modem.
Explorer See Microsoft Internet Explorer, Microsoft Windows Explorer.
extranet An intranet that is accessible to those not part of the organization by special
permission. See intranet.
File Transfer
Protocol (FTP) An instruction set that specifies how files are downloaded or uploaded. See
download, upload.
floppy Informal term for diskette. Also known as 3.5-inch floppy. See diskette.
FTP See File Transfer Protocol.
full duplex See duplex.
gamepad A device that permits more realistic game play than is possible with a mouse or
touchpad.
gameport See MIDI/Gameport.
GB See gigabyte.
gigabyte (GB) A unit of measurement used to describe data quantity. One GB is equal to
approximately one billion bytes. See byte.
graphical user
interface (GUI) The collection of images and text shown on the monitor display that facilitates the
entry of commands and data. The Windows desktop is a graphical user interface.
GUI See graphical user interface.
half duplex Describes a communication channel that is only open in a single direction at any
given time. In telecommunications, it refers to the ability of only one party to
transmit data at any given time. Compare duplex.
hard drive A device that enables a computer to read data from and write data to a hard disk, an
internal data storage device.
hardware The physical components of a computer.
hertz (Hz) A unit of measurement used to describe frequency rate. One hertz is equal to one
cycle per second. See megahertz, microprocessor, refresh rate.