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

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

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Automation System
Resolution in a CRT refers to:

the speed at which the monitor can accept data from the computer
the number of addressable elements on the tube
None of these
the number of phosphor dots that react when hit by the electron beam
the number of pixels in each square centimeter

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Automation System
Straight-line operations:

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

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