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Toshiba Satellite Pro A120 (PSAC1) User Manual

Page 200

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User’s Manual

Glossary-13

Glossary

subpixel: Three elements, one red, one green and blue (RGB), that make

up a pixel on the color LCD. The computer sets subpixels

independently, each may emit a different degree of brightness. See

also pixel.

synchronous: Having a constant time interval between successive bits,

characters or events.

system disk: A disk that has been formatted with an operating system.

For MS-DOS the operating system is contained in two hidden files

and the COMMAND.COM file. You can boot a computer using a

system disk. Also called an operating system disk.

T

terminal: A typewriter-like keyboard and CRT display screen connected to

the computer for data input/output.

TFT display: A liquid crystal display (LCD) made from an array of liquid

crystal cells using active-matrix technology with thin film transistor

(TFT) to drive each cell.

Touch Pad: A pointing device integrated into the TOSHIBA computer

palm rest.

TTL: Transistor-transistor logic. A logic circuit design that uses switching

transistors for gates and storage.

U

Universal Serial Bus: This serial interface lets you communicate with

several devices connected in a chain to a single port on the

computer.

V

VGA: Video Graphics Array is an industry standard video adaptor that lets

you run any popular software.

volatile memory: Random access memory (RAM) that stores information

as long as power is supplied to the computer.

W

warm start: Restarting or resetting a computer without turning it off.
window: A portion of the screen that can display its own application,

document or dialog box. Often used to mean a Microsoft Windows

window.

Wireless LAN: Local Area Network (LAN) through wireless

communication.

write protection: A method for protecting a floppy disk from accidental

erasure.