Toshiba 8100 series, User Manual

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Part III: Appendixes
Glossary
305
keyboard shortcut: A key or combination of keys that you use to perform
a task instead of using a pointing device such as the AccuPoint II.
kilobyte (KB): A unit of data storage equal to 1024 bytes. Although kilo
means 1000,for computers it refers to 1024, or 2 raised to the 10th
power. See also
byte .
L
legacy device: A peripheral device or expansionistic that does not have
the ISA Plug and Play capability built into it.
light-emitting diode (LED): A semiconductor device that emits light
when it receives an electric current. Used for indicators like the disk
activity light.
liquid crystal display (LCD): A type of display that uses a liquid
substance between two transparent electrode panels. When an
electric current passes through the electrodes, the molecules in the
liquid form a crystalline pattern that polarizes the light passing
through it. A filter over the electrodes permits only non-polarized
light to pass to the surface of the display, creating light and dark
pixels.
load: To move information from a storage device (such as a CD-ROM)
into memory for processing.
local bus: A type of bus that connects devices directly to the
microprocessor. Because there are no wires between the CPU and
the device, information is passed at a much greater speed than
through a traditional bus. See also
bus .
logical drive: A section of a disk that is recognized by the operating
system as a separate disk drive. A system’s logical drives may differ
from its physical drives. For example, a single hard disk drive may
be partitioned into two or more logical drives.
low-density diskette: see double-density diskette .
M
macro: A named sequence of instructions within a programming
language or application. A macro may be predefined in the language
or application, or you may define your own macros for procedures
you use frequently. The macro name enables you to call up the
sequence of instructions when you need them.
main board: See motherboard .