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L
L1 cache: Level one cache. Memory cache built into the processor to help
L2 cache: Memory cache installed on the motherboard to help improve
LAN: A group of computers or other devices dispersed over a relatively
Light Emitting Diode (LED): A semiconductor device that emits light
Liquid Crystal Display (LCD): Liquid crystal sealed between two sheets
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 Boot Mode, Sleep Mode or
modem: Derived from modulator/demodulator, a device that converts
monitor: A device that uses rows and columns of pixels to display
User's Manual
improve processing speed. See also cache memory, L2 cache.
processing speed. It is slower than L1 cache and faster than main
memory. See also cache memory, L1 cache.
limited area and connected by a communications link that enables
any device to interact with any other on the network.
when a current is applied.
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.
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.
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.
Glossary
Glossary-10
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