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Toshiba Tecra A7 User Manual

Page 176

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User’s Manual

Glossary-8

Glossary

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: The use of 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. 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.

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’s power is turned 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.

HW Setup: A TOSHIBA utility that lets you set the parameters for various

hardware components.

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.

iLINK (IEEE1394): This port enables high-speed data transfer directly from

external devices such as digital video cameras.

infrared port: A cableless communications capable of using infrared

signals to send serial data.