Automation System
Programmable controllers:

are widely used in many different industries
are programmed using relay ladder logic
(a) and (c) above
cannot perform functions other than relay logic
None of these

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Automation System
The robot:

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

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

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

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