Automation System
Microcomputer-based control sys-tems

None of these
All of these
will tend to increase in cost.
will just keep their present capability
will have more standard industrial application software available in the future.

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

None of these
results in a binary code as the final output
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)

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

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

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