Toshiba Satellite Pro A120 (PSAC1) - Manual (Page 200)

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.