
214 Glossary
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Hibernation — A feature of many Toshiba computers that saves to the internal storage drive 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 Sleep, Suspend.
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.
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
internal device — See device.
Internet — The decentralized,
keyboard shortcut — A key or combination of keys that you use to perform a task instead of using a pointing device such as a mouse.
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.