Automation System
In order to combat foreign competition, U.S. companies are:

seeking import tariffs
None of these
decreasing the salaries
ignoring the situation
automating

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

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

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Automation System
Straight-line operations:

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

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