Automation System
What is proportional control?

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

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Automation System
The SKETCHPAD system

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

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