Glossary
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.
keyboard: An input device containing switches that are activated by 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.
kilobyte (KB): A unit of data storage equal to 1024 bytes. See also byte and megabyte.
L
Level 2 cache: See cache.
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.
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