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Glossary-6 User’s Manual
Glossary
IrDA 1.1: An industry standard that enables cableless infrared serial data
transfer at speeds of up to 4 Mbps.
J
jumper: A small clip or wire that allows you to change the hardware
characteristics by electrically connecting two points of a circuit.
K
K: Taken from the Greek word kilo, meaning 1000; often used as
equivalent to 1024, or 2 raised to the 10th power. See also byte and
kilobyte.
KB: See kilobyte.
L
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 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 alters the brightness of the liquid crystal.
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 large scale integration.
M
megabyte (MB): A unit of data storage equal to 1024 kilobytes. See also
kilobyte.
mode: A method of operation, for example, the boot mode, standby 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.
MP3: An audio compression standard that enables high-quality
transmission and real-time playback of sound files.
N