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COMMAND.COM
The program file that enables MS-DOS to carry out commands
such as DIR, COPY, and ERASE. COMMAND.COM must be
stored in the root directory of your hard disk if you want to boot
MS-DOS from the hard disk.
Command prompt
The message that tells you MS-DOS is loaded and ready to
receive instructions. The MS-DOS command prompt ordinarily
displays the current operating drive
(A>
or
C>,
for example). You
can add other information to the command prompt by using the
PROMPT command.
Configuration
The particular arrangement of the hardware components of your
computer. Your configuration, for example, might include a
printer and an internal modem, as well as your built-in hard disk
and diskette drive.
Control code
A command (generated by holding down the Ctrl key and
pressing another key on the keyboard) that instructs the
computer to perform a specific function.
Controller
A hardware component of your computer that oversees the
operation of the hard disk or diskette drive.
Coprocessor
An optional integrated circuit (chip) that assists the CPU in
performing certain tasks.
CPU
Central Processing Unit. The integrated circuit (chip)
responsible for interpreting program instructions, performing
calculations, and controlling input and output operations.
CRT
Cathode Ray Tube. A type of video display. A color monitor is
an example of a CRT.
4 Glossary