Epson LT-286 - Manual (Page 162)

Backlighting
The internal fluorescent illumination of the computer’s LCD
screen. LCD screens that are not backlit are not legible without
an external source of light.
Backlight period
The length of time your LCD screen stays illuminated in the
absence of keyboard activity. To restore the backlighting to your
screen after the backlight period has elapsed, press any key. To
change the backlight period, run the setup program (see
Chapter 2).
Backup
A copy of a program, data file, or disk, kept in case the original is
damaged or lost.
Batch file
A text file containing one or more MS-DOS commands, each
stored on a separate line. Batch files are used to automate
MS-DOS operations. When you type the name of the batch file
(with or without its .BAT extension), each command in the file
is executed in sequence.
Baud rate
A measure of the speed of data transmission. Usually equivalent
to bits per second.
Bit
A binary digit (0 or 1). The smallest unit of information that can
be stored by a computer. Eight bits make one byte.
Boot
To load a program or an operating system into the computer’s
memory.
Byte
A sequence or group of eight bits. In the ASCII encoding
system, a byte represents one character of data.
2 Glossary