Toshiba M500 User Manual page 211

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.
M
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.
N
network: A collection of computers and associated devices that are 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.
non-system disk: A disk for storing programs and data that cannot be used to
start the computer. Compare system disk.
nonvolatile memory: Memory that is capable of permanently storing information.
Turning the computer's power off does not alter data stored in nonvolatile
memory.
numeric keypad overlay: A feature that allows you to use certain keys on the
keyboard to perform numeric entry, or to control cursor and page movement.
User 's Manual
Glossary
Glossary-13