User`s manual

User’s Manual Glossary-9
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.
Lableflash™: DVD writers with the Labelflash™ function can burn pictures
directly into a special layer added to the non-data, or label, side of a
Labelflash™ DVD disc.
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 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.