Automation System
Operator interaction directly with the CRT is accomplished via:

a stylus
a touch terminal
None of these
a digitizing tablet
vector scanning

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Automation System
A process controller:

All of these
can solve a PID process control equation easily
is useful in a continuous process control application
None of these
can interface to digital and analog I/O

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Automation System
Straight-line operations:

None of these
must be parallel to one of the axes of the coordinate system
must be limited to two per workpiece
All of these
can include diagonal cuts if they aren't curved

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