Toshiba M200 User Manual

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G
LOSSARY
  Glossary-9
.
menu:  A software interface that
displays a list of options on the
screen.  Also called a screen.
microprocessor:  A hardware compo-
nent 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 or the resume
mode.
modem:  Derived from modulator/
demodulator, a device that converts
(modulates) digital data for transmis-
sion over telephone lines and then
converts modulated data (demodu-
lates) to digital format where received.
monitor:  A device that uses rows and
columns of pixels to display alphanu-
meric characters or graphic images.
See 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.  Sometimes called a
main board.
motherboard
L
level 2 cache: See cache.
Light Emitting Diode (LED):  A
semiconductor device that emits light
when a current is applied.
Liquid Crystal Display (LCD):  Liquid
crystal sealed between two sheets of
glass coated with transparent con-
ducting 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 darkens the liquid crystal to
provide contrast to lighted portions of
the display.
LSI:  Large Scale Integration.   1) A
technology that allows the inclusion of
up to 100,000 simple logic gates on a
single chip.  2) An integrated circuit
that uses the large scale integration.
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.