Glossary
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.
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
L1 cache: Level one cache. Memory cache built into the processor to help improve processing speed. See also cache memory, L2 cache.
L2 cache: Memory cache installed on the motherboard to help improve processing speed. It is slower than L1 cache and faster than main memory. See also cache memory, L1 cache.
LAN: A group of computers or other devices dispersed over a relatively limited area and connected by a communications link that enables any device to interact with any other on the network.
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
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