Backlighting (or backlit)
The internal fluorescent illumination of the computer’s LCD screen.
LCD screens that are not backlit are difficult to see without an external
source of light.
Batch file
A type of file that allows you to execute a series of MS-DOS
commands by typing one command. Batch files are text files with the
filename extension,.BAT. In a batch file, each command is entered on
a separate line. When you type the filename, MS-DOS executes each
command in the file in sequence.
See also AUTOEXEC.BAT file.
Baud rate
A measure of data transmission speed. Usually equivalent to bits per
second.
BIOS
Basic Input/Output System. Routines in ROM that handle the basic
input/output functions of the operating system. For example, the
SETUP program is contained in the computer’s ROM BIOS.
Chip
A hardware component of your system (formally known as an
integrated circuit). Examples of chips include memory chips and the
microprocessor.
Clock speed
See CPU speed.
CMOS
Complementary Metal-Oxide Semiconductor. A type of low power,
integrated circuit (chip).
2 Glossary