Toshiba mini NB200 series User Manual page 130

K
K: Taken from the Greek word kilo, meaning 1000; often used as
keyboard: An input device containing switches that are activated by
kilobyte (KB): A unit of data storage equal to 1024 bytes. See also byte
L
L1 cache: Level one cache. Memory cache built into the processor to help
L2 cache: Memory cache installed on the motherboard to help improve
LAN: A group of computers or other devices dispersed over a relatively
Light Emitting Diode (LED): A semiconductor device that emits light
Liquid Crystal Display (LCD): Liquid crystal sealed between two sheets
M
main board: See motherboard.
megabyte (MB): A unit of data storage equal to 1024 kilobytes. See also
megahertz: A unit of wave frequency that equals 1 million cycles per
memory: Typically refers to the computer's main memory, where
User's Manual
equivalent to 1024, or 2 raised to the 10th power. See also byte
and kilobyte.
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.
and megabyte.
improve processing speed. See also cache memory, L2 cache.
processing speed. It is slower than L1 cache and faster than main
memory. See also cache memory, L1 cache.
limited area and connected by a communications link that enables
any device to interact with any other on the network.
when a current is applied.
of glass coated with transparent conducting material. The
viewingside 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.
kilobyte.
second. See also hertz.
programs are run and data is temporarily stored and processed.
Memory can be volatile and hold data temporarily, such as RAM, or
it can be nonvolatile and hold data permanently, such as ROM.
A computer's main memory is RAM. See RAM, ROM.
Glossary
Glossary-10