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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Automation System
How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
All of these
the error is divided into discrete amounts
the error signal is summed over a discrete time interval and accumulated by the controller
None of these

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Automation System
A flip-flop:

is a sequential logic device
is a combinational logic device
None of these
remembers what was previously stored in it
(a) and (c)

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