Toshiba Satellite M40 User Manual page 193

keyboard: An input device containing switches that are activated by
kilobyte (KB): A unit of data storage equal to 1024 bytes. See also byte
L
level 2 cache: See cache.
Light Emitting Diode (LED): A semiconductor device that emits light when
Liquid Crystal Display (LCD): Liquid crystal sealed between two sheets of
LSI: Large Scale Integration. 1) A technology that allows the inclusion of up
modem
M
main board: See motherboard.
MDA: Monochrome Display Adapter. A video display protocol defined by
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
menu: A software interface that displays a list of options on the screen.
microprocessor: A hardware component contained in a single integrated
MMX: Refers to microprocessors with additional instructions beyond the
mode: A method of operation, for example, the boot mode or the resume
modem: Derived from modulator/demodulator, a device that converts
User's Manual
manually pressing marked keys. Each keystroke activates a switch
that transmits a specific code to the computer. For each key, the
transmitted code is, in turn, representative of the (ASCII) character
marked on the key.
and megabit.
a current is applied.
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 darkens the liquid crystal to provide contrast to lighted
portions of the display.
to 100,000 simple logic gates on a single chip. 2) An integrated
circuit that uses the large scale integration.
the IBM Monochrome Display Adapter and its associated circuitry
for direct drive TTL displays that supports a monochrome 720x350
text mode.
kilobyte.
second. See also hertz.
Also called a screen.
circuit that carries out instructions. Also called the central
processing unit (CPU), one of the main parts of the computer.
x86 standard. The instructions were developed on the basis of
multimedia code requirements and thus improve the performance of
multimedia applications.
mode.
(modulates) digital data for transmission over telephone lines and
then converts modulated data (demodulates) to digital format where
received.
Glossary
Glossary-9