Glossary 195

Hibernation — 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.

hot key — (1) A feature in which certain keys in combination with the Fn key can set system options or control system parameters, such as the battery save mode. (2) A key or combination of keys that activates a memory resident program.

hot swapping — The ability to add or remove devices from a computer while the computer is running and have the operating system automatically recognize the change.

I

icon — A small image displayed on the screen that represents a

function, file, or program.

 

 

interlaced — A method of refreshing a computer screen, in which

 

only every other line of pixels is refreshed. Interlaced monitors

 

take two passes to create a complete screen image. Compare non-

 

interlaced.

 

internal device — See device.

 

Internet — The decentralized, world-wide network of computers

 

that provides electronic mail, the World Wide Web, and other

K

services. See also World Wide Web.

keyboard shortcut — A key or combination of keys that you use

 

 

to perform a task instead of using a pointing device such as the

 

TouchPad.

 

kilobyte (KB) — A unit of data equal to 1024 bytes. See also byte.

L

L1 (level one) cache — Memory cache built into the processor to

help improve processing speed. See also cache, CPU cache, L2

 

 

cache.