Toshiba PTSE0U-02P00M User Manual page 222

TECRA A11/S11, Satellite Pro S500
Liquid Crystal Display (LCD): Liquid crystal sealed between two sheets of
M
main board: See motherboard.
megabyte (MB): A unit of data storage equal to 1024 kilobytes. See also
megahertz: A unit of wave frequency that equals 1 million cycles per
memory: Typically refers to the computer's main memory, where programs
menu: A software interface that displays a list of options on the screen.
microprocessor: A hardware component contained in a single integrated
mode: A method of operation, for example, the Shut Down Mode, Sleep
modem: Derived from modulator/demodulator, a device that converts
monitor: A device that uses rows and columns of pixels to display
motherboard: A name sometimes used to refer to the main printed circuit
MP3: An audio compression standard that enables high-quality
N
network: A collection of computers and associated devices that are
Glossary-10
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 alters the brightness of the liquid crystal.
kilobyte.
second. See also hertz.
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.
Also called a screen.
circuit that carries out instructions. Also called the central
processing unit (CPU), one of the main parts of the computer.
Mode or the Hibernation Mode.
(modulates) digital data for transmission over telephone lines and
then converts modulated data (demodulates) to digital format where
received.
alphanumeric characters or graphic images. See also CRT.
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.
transmission and real-time playback of sound files.
connected by communications facilities. A network allows you to
share data and peripheral devices, such as printers, with other
users and to exchange electronic mail.
User's Manual