Automation System
A process controller:

is useful in a continuous process control application
can solve a PID process control equation easily
All of these
None of these
can interface to digital and analog I/O

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

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

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Automation System
An operating system:

is useless in most control applications
can help reduce software development time
provides ability for other programmers to understand the software structure
None of these
All of these

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