Automation System
What is the difference between integral and derivative control?

None of these
integral control has slower response to an error signal.
All of these
derivative control does not eliminate offset error
derivative control responds to a change in the rate of change in the error signal

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

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

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Automation System
The robot:

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

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