Automation System
When a computer fetches an instruction, the binary code representing the instruction appears on the:

output data bus
None of these
input data bus
I/O address bus
memory data bus

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

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

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Automation System
The main function(s) of computer in CAD is/are

None of these
To serve as an extension to the memory of the designer
To relieve the designer from routine repetitious tasks.
All of these
To enhance the analytical and logical power of the designer

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