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Toshiba Satellite P30 User Manual

Page 163

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User’s Manual

Glossary-6

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.