260 Glossary

format — (verb) To prepare a blank disk for use with the computer’s operating system. Formatting creates a structure on the disk so the operating system can write information to the disk or read information from it.

frontside bus — The primary pathway (bus) between the CPU and the computer’s main memory. Also called “system bus.” See also

bus.

function keys — The keys labeled F1 through F12, typically located on the keyboard. Their function is determined by the operating system and/or individual programs.

G

gigabyte (GB) — A unit of data equal to 1,073,741,824 bytes

 

 

(1024 x 1024 x 1024 bytes). See also byte.

 

ground — A conductor to which all components of an electric

 

circuit are connected. It has a potential of zero (0) volts, is

 

connected to the earth, and is the point of reference for voltages

H

in the circuit.

hard disk — A storage device composed of a rigid platter or

 

 

platters that can be magnetically coded with data. Hard disks hold

 

much more information than diskettes and are used for long-term

 

storage of programs and data. The primary (or only) hard disk in

 

a computer is usually fixed, but some computers have secondary

 

hard disks that are removable. By default, the hard disk is

 

referred to as drive C.

 

hardware — The physical components of a computer system.

 

Compare software.

 

Hibernate — A feature of many Toshiba notebook computers that

 

saves to the hard disk the current state of your work, including all

 

open files and programs, when you turn the computer off. When

 

you turn on the computer again, your work is returned to the

 

same state it was when the computer was turned off. See also

 

Standby, Suspend.

 

high-density diskette — A 3.5-inch diskette that holds 1.44 MB of

 

data. See also diskette.

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Toshiba A45 Series manual Standby, Suspend