Automation System
Today, programmable controllers:

are more powerful then the first controllers on the market
None of these
are relatively low cost compared with the original digital equipment available for industrial control
All of these
can be cost effective even when replacing just a few relays

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Automation System
If the transient response of a system is overdamped:

All of these
the value of the output never exceeds the value of the input during the transient period.
None of these
the value of the output exceeds the value of the input at times during the transient period.
the value of the output never stabilizes.

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