Epson 10020 - Manual (Page 219)

CMOS
Complementary Metal-Oxide Semiconductor. A method of
making low power silicon chips.
Command
An instruction you enter (usually on a keyboard) to direct your
computer to perform a specific function.
Command prompt
The symbol or message that tells you MS-DOS is loaded and
ready to receive instructions. The default command prompt in
MS-DOS also displays the current operating drive; if it is drive
A, the command prompt looks like this: A>. See also Prompt.
Configuration
The particular setup of a group of components. For example, a
typical system configuration consists of a computer with one
diskette drive and one hard disk drive and a monitor,
connected to a printer.
Control code
A command (generated when you hold down Ctrl and press
another key on the keyboard) that instructs your computer to
perform a specific function.
Coprocessor
An optional device that enables the computer to process
certain mathematical calculations faster.
CPU
Central Processing Unit. The primary unit of the computer
that interprets instructions, performs the tasks you indicate,
keeps
track of stored data, and controls all input and output
operations.
Glossary 3