beautypg.com

Toshiba Satellite 2650 User Manual

Page 197

background image

User's Manual

Glossary 7

Version

8

Last Saved on 18/09/99 14:07

Satellite 2610/2650 User's Manual – GLOSSARY.DOC – ENGLISH – Printed on 18/09/99 as GL_261UK

G

gigabyte (GB): A unit of data storage equal to 1024 megabytes.

See

also megabyte.

GND: Ground. An RS-232C signal used in the exchange of data between

a computer and serial device.

graphics: Drawings, pictures, or other images, such as charts or graphs,

to present information.

H

hard disk drive (HDD): An electromechanical device that reads and

writes a hard disk.

See also hard disk.

hard disk: A non-removable disk usually referred to as drive C. The

factory installs this disk and only a trained engineer can remove it
for servicing. Also called fixed disk.

hardware: The physical electronic and mechanical components of a

computer system: typically, the computer itself, external disk
drives, etc.

See also software and firmware.

Hardware Setup: A Toshiba utility that lets you set the parameters for

various hardware components.

hertz: A unit of wave frequency that equals one cycle per second.

hexadecimal: The base 16 numbering system composed of the digits 0

through 9 and the letters A, B, C, D, E, and F.

host computer: The computer that controls, regulates, and transmits

information to a device or another computer.

hot dock/undock: Connecting or disconnecting a device to or from the

computer while the computer is on.

hotkey: The computer’s feature in which certain keys in combination

with the extended function key,

Fn

, can be used to set system

parameters, such as speaker volume.

I

I/O devices: Equipment used to communicate with the computer and

transfer data to and from it.

I/O: Input/output. Refers to acceptance and transfer of data to and from

a computer.

icon: A small graphic image displayed on the screen or in the indicator

panel. In Windows, an icon represents an object that the user can
manipulate.

infrared port: A cableless communications port capable of using

infrared signals to send serial data.