|
| monitor | |
keyboard: An input device contain- | M | ||
ing switches that are activated by |
| ||
manually pressing marked keys. Each | main board: See motherboard. | ||
keystroke activates a switch that | megabyte (MB): A unit of data | ||
transmits a specific code to the | |||
storage equal to 1024 kilobytes. See | |||
computer. For each key, the transmit- | |||
also kilobyte. | |||
ted code is, in turn, representative of | |||
megahertz: A unit of wave frequency | |||
the (ASCII) character marked on the | |||
that equals 1 million cycles per | |||
key. | |||
second. See also hertz. | |||
kilobyte (KB): A unit of data storage | |||
menu: A software interface that | |||
equal to 1024 bytes. See also byte | |||
displays a list of options on the | |||
and megabyte. | |||
screen. Also called a screen. | |||
|
|
LOSSARYG
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
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.
microprocessor: A hardware component contained in a single integrated circuit that carries out instructions. Also called the central processing unit (CPU), one of the main parts of the computer.
mode: A method of operation, for example, the boot mode, standby mode or the hibernation mode.
modem: Derived from modulator/ demodulator, a device that converts (modulates) digital data for transmission over telephone lines and then converts modulated data (demodu- lates) to digital format where received.
monitor: A device that uses rows and columns of pixels to display alphanumeric characters or graphic images. See also CRT.