Toshiba Satellite A300 User Manual download pdf (Page 193)

User’s Manual Glossary-11

Glossary

Liquid Crystal Display (LCD): Liquid crystal sealed between two sheets

of glass coated with transparent conducting material. The viewing-

side coating is etched into character forming segments with leads

that extend to the edge of the glass. Applying a voltage between

the glass sheets.

main board: See motherboard.

megabyte (MB): A unit of data storage equal to 1024 kilobytes. See also

kilobyte.

megahertz: A unit of wave frequency that equals 1 million cycles per

second. See also hertz.

memory: Typically refers to the computer's main memory, where

programs are run and data is temporarily stored and processed.

Memory can be volatile and hold data temporarily, such as RAM,

or it can be nonvolatile and hold data permanently, such as ROM.

A computer's main memory is RAM. See RAM, ROM.

menu: A software interface that displays a list of options on the screen.

Also called a screen.

microprocessor: A hardware component contained in a single integrated

circuit that carries out instructions. Also called the central

processing unit (CPU), one of the main parts of the computer.

mode: A method of operation, for example, the Boot Mode, Sleep Mode

or the Hibernation Mode.

modem: Derived from modulator/demodulator, a device that converts

(modulates) digital data for transmission over telephone lines and

then converts modulated data (demodulates) to digital format

where received.

monitor: A device that uses rows and columns of pixels to display

alphanumeric characters or graphic images. See also CRT.

motherboard: A name sometimes used to refer to the main printed circuit

board in processing equipment. It usually contains integrated

circuits that perform the processor's basic functions and provides

connectors for adding other boards that perform special functions.

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Toshiba Satellite A300 User Manual Page 193