Toshiba Satellite 2430, Руководство пользователя

Страница: 212 / 222

Glossary
Satellite 2430 Series 9
Satellite 2430 Series
Version
1
Last Saved on 04/04/2003 13:35
ENGLISH using Euro_M.dot –– Printed on 04/04/2003 as IM_243EN
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 darkens the liquid crystal to provide contrast to
lighted portions of the display.
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 the large scale integration.