Automation System
D/A (digital to analog) conversion:

None of these
results in a binary code as the final output
has to be sampled at 1/2 the highest input frequency
must be fed through a filter to reproduce the original signal accurately
both (b) and (c)

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Automation System
If the transient response is under damped:

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

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

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

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