85. Scan Line: The use
of
a cathode beam to test the cathode ray
tube
of
a display used with a personal computer.
86. Schematic: The description, usually
in diagram form,
of
the
logical structure and physical structure
of
an entire
data
base
according to a conceptual model.
~
87. Software: (1) Computer programs, procedures, rules, and
possibly associated documentation concerned with the opera-
tion
of
a data processing system. (2) Contrast with hardware.
88. Strobe: (1) An instrument used to determine the exact speed
of
circular or cyclic movement. (2) A flashing signal displaying an
exact event.
89. Text:
In
ASCII
and data communication, a sequence
of
characters treated as an entity if preceded and terminated by
one
STX
and one
ETX
transmission control respectively.
90.
TX
Data: Transmit Data. External connections
of
the RS 232
Asynchronous Communications Adapter interface.
91. Video: Computer
data
shown or displayed on a cathode ray
tube monitor or display.
G-7
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