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

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

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Automation System
The robot:

represents the most powerful new industrial automation tool currently on the horizon
will be more useful when robot vision is improved significantly
is very primitive at the present
None of these
All of these

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