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

the digital controller cannot handle integral mode
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
All of these

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Automation System
If the transient response is under damped:

steady-state will be reached faster than if the system is overdamped
the present overshoot is zero
both a and b
the value of the output will exceed the value of the input at times during the transient period
None of these

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