Automation System
The two types of relays in a PC are:

All of these
an output relay and a control relay
a control relay and a retentive relay
a retentive relay and a non-retentive relay
None of these

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Automation System
The computer graphics system called SKETCHPAD was demonstrated at

None of these
Massachusetts Institute of Technology in 1963
University of Aston, Birmingham, 1960
Imperial college of Science and Technology, London, 1973
Cranfield Institute of Technology, London, 1962

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Automation System
An encoder:

converts a binary number to a decimal number.
is used to send telegraph signals
None of these
converts an input to a binary number
can have only four keys

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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 exceeds the value of the input at times during the transient period.
the value of the output never exceeds the value of the input during the transient period.

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