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

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

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Automation System
D/A (digital to analog) conversion:

None of these
both (b) and (c)
has to be sampled at 1/2 the highest input frequency
results in a binary code as the final output
must be fed through a filter to reproduce the original signal accurately

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Automation System
What is the process lag?

The time it takes for the mass of the process to respond to an input change.
None of these
The time it takes for the sensor to respond to a changed.
The lag in the error signal when the setpoint is changed.
All of these

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