Glossary 261

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.

 

L2 (level two) cache — Memory cache installed on the

 

motherboard to help improve processing speed. It is slower than

 

L1 cache and faster than main memory. See also cache, CPU

 

cache, L1 cache.

 

LAN (local area network) — A group of computers or other

 

devices dispersed over a relatively limited area and connected by

 

a communications link that enables any device to interact with

 

any other on the network.

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Toshiba A45 Series manual Internal device See device