Automation System
Historically, central systems were used because:

None of these
memory was very expensive
memory consumed a large amount of power
semiconductor memory was not available
All of these

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Automation System
If the transient response is under damped:

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

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Automation System
Most industrial control applications:

can be done more reliably using solid-state methods
None of these
All of these
can be solved using more than one method of control
must have the process specified correctly to be successful

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