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

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

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Automation System
The program counter:

is where arithmetic is done in a computer.
counts the number of instructions that have been executed
contains the address of the next instruction to be executed
decides which program to run
None of these

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