Epson ActionNote - Manual (Page 128)

CMOS RAM
A special type of low-power memory that records information about
your system configuration. Unlike ordinary RAM, CMOS RAM is
backed up by a battery and is not erased when you turn off the
computer.
Command prompt
The characters the operating system displays to indicate it is loaded
and ready to receive instructions. The MS-DOS command prompt
usually displays the current drive and directory with a greater-than
symbol (A : \ > or C : \ >, for example).
CONFIG.SYS file
A special system file that MS-DOS executes each time you turn on or
reset the computer. You use this file to customize your system by
installing device drivers, setting limits for files and buffers, and
specifying MS-DOS commands to be run during startup.
Configuration
The particular arrangement of the hardware components installed in
or attached to your computer. For example, your configuration might
include a hard disk, a printer, and a PC modem card.
Control code
A command (generated by holding down and pressing another
key on the keyboard) that instructs the computer to perform a specific
function.
Controller
A hardware component of your computer that manages the operation
of the display, hard disk, or diskette drive.
Coprocessor
An optional integrated circuit (chip) that assists the CPU in
performing certain numeric calculations faster. See also 387SX/SL.
Glossary 3