HP Compaq Presario,Presario 1700 Reference Manual page 179

Glossary-6
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" 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. Contrast duplex.
hard disk – An internal data storage device made of hard aluminum disks coated
with iron oxide.
hard drive – A device that enables a computer to read data from and write data to
a hard disk.
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.