Epson Endeavor WG User Manual page 171

CGA
Color Graphics Adapter. A type of display adapter card that
can generate up to 25 lines of text with 80 characters on each
line, two-color graphics at 640 x 200 resolution, or four-color
graphics at 320 x 200 resolution.
Character
Anything that can be printed in a single space on the page or
the screen; includes numbers, letters, punctuation marks,
spaces, formatting codes, and graphic symbols that are
represented to the computer by one byte of data. See also Byte.
Chip
A piece of silicon containing many miniature transistors and
resistors wrapped in insulating material. Chips process
electrical signals sent to them and then transmit the processed
signals to the computer system. Also called an integrated
circuit. See also CPU
CMOS
Complementary Metal-Oxide Semiconductor. A type of
low-power silicon chip used for RAM and switching
applications that is backed up by a battery.
Code
A system of symbols for representing data or instructions; also
any software program or part of a program.
Command
An instruction you enter or select to direct a computer program
to perform a specific function.
4 G l o s s a r y