Automation System
Operator interaction directly with the CRT is accomplished via:

vector scanning
None of these
a touch terminal
a stylus
a digitizing tablet

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Automation System
A sequence controller:

is difficult to program
performs on/off control functions in relation to time.
None of these
is no longer in widespread use
is a mechanical only controller

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Automation System
What is proportional control?

None of these
All of these
It has a discrete output for each error value
The gain is independent of offset error.
The controller output varies continuously over a range

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