Automation System
Straight-line operations:

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

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Automation System
D/A (digital to analog) conversion:

None of these
results in a binary code as the final output
both (b) and (c)
must be fed through a filter to reproduce the original signal accurately
has to be sampled at 1/2 the highest input frequency

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