SECTION 8. GLOSSARY
Terms
ADVANCED
DIAGNOSTICS
(Cassette/Diskette):A cassette or
~
diskette used by service personnel to diagnose hardware problems.
ASYNCHRONOUS
COMMUNICATION:
A communication
mode in which each single byte of data
is
synchronized, usually by the
addition of start/stop bits.
BASIC
(Beginner's AU-purpose Symbolic Instruction Code)
(SCI)
A programming language with a small repetoire
of
commands
and a simple syntax, primarily designed for numerical applications.
JOY
STICK:
In
computer graphics, a lever that provides coordinate
data of a display surface. The coordinate data may be used to control
operations such as the movement
of
one or more display elements.
LIGHT
PEN:
In computer graphics, a photosensitive stylus used to
identify display elements or to detect the light generated within an
aiming symbol.
~
WRAP
PLUG: A connector which directly connects the input and
output lines of an adapter for testing purposes.
8-1
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