G - 5
G
physical area. It is made up of servers, workstations, a network operating system
and a communications link.
LCD (Liquid Crystal Display) - A display technology that uses rod-shaped mol-
ecules (liquid crystals) that flow like liquid and bend light.
LED (Light Emitting Diode) - an electronic device that lights up when electric-
ity is passed through it. The indicator lights on the computer are LEDs.
load - To copy a program from some source, such as a disk or tape, into memory
for execution.
Lithium-Ion battery - A type of battery which is ideal for notebook computers
because of its light weight and high energy density. Also, lithium-ion batteries
do not use poisonous metals, such as lead, mercury or cadmium.
M
MB (Megabyte) - 1,048,576 bytes or 1024 KB
memory - Area in the computer where information is stored on chips, an ex-
ample is RAM.
MHz - One MHz represents one million cycles per second. The speed of micro-
processors, called the clock speed, is measured in megahertz.
MMX - A type of microprocessor that can handle many common multimedia
operations that are normally handled by a separate sound or video card.
mode - An operational state that a system has been switched to.
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