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LCD
Liquid Crystal Display. A form of flat panel display.
LED
Light Emitting Diode. A substance that is illuminated when
electricity passes through it. The six indicator lights above the
Equity LT-286 keyboard are LEDs.
LIGHTON
An Epson utility program that enables you to restore the screen
backlighting by pressing any key, even when a memory-resident
program that alters the normal BIOS keyboard handler is
running.
Log on
To make a drive or directory the current drive or directory.
Main unit
The part of the computer that houses the central processing unit,
the random access memory, the disk drives, and other supporting
circuitry.
Megabyte (MB)
A unit used to measure storage space in a computer’s memory or
on a disk. One megabyte equals 1,048,576 bytes.
Megahertz (MHz)
A unit used to measure the oscillation frequency of a computer’s
internal timing clock. One megahertz is one million cycles per
second. The Equity LT-286 operates at 8 or 12 MHz.
Memory
The area where the computer stores data. Memory contents may
be permanent (ROM) or temporary (RAM). See also ROM and
RAM.
Memory expansion module
An optional component that adds memory to your computer.
10 Glossary