Automation System
If the transient response is under damped:

None of these
steady-state will be reached faster than if the system is overdamped
the present overshoot is zero
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
A flip-flop:

is a sequential logic device
remembers what was previously stored in it
is a combinational logic device
(a) and (c)
None of these

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Automation System
Direct Numerical Control means:

complete elimination of a need for a human operator.
using one computer to control several machines
None of these
eliminating computers from the manufacturing process
using several computers to control one large machine

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