Automation System
Digitizers can be converted from "dumb" to "smart" through the addition of:

None of these
keyboard
an electromagnetic coupling
a microprocessor
a scanner

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

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

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