Automation System
The program execution time:

must be slower than the fastest mechanical operation that is to be controlled
will vary depending on the language used
cannot be changed once the program is written
None of these
All of these

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Automation System
The SKETCHPAD system

None of these
is used for interactive Graphics
All of these
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
is expensive because it is sophisticated and make demands on the power and resources of the computer.

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Automation System
What is offset error?

None of these
the difference between the sensor input and the absolute sensed parameter.
the difference between the control setpoint value and the actual value.
All of these
the difference between the controller output and the setting of the manipulated variable.

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