Automation System
The program counter:

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

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Automation System
What is proportional control?

It has a discrete output for each error value
None of these
The gain is independent of offset error.
The controller output varies continuously over a range
All of these

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