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

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

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Automation System
Numerical control:

All of these
applies only to milling machines
is a method for controlling the operation of a machine by means of a set of instructions
None of these
is a method for producing an exact number of parts per hour

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Automation System
How is the integral mode implemented on a digital controller?

the error is divided into discrete amounts
the digital controller cannot handle integral mode
the error signal is summed over a discrete time interval and accumulated by the controller
All of these
None of these

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