Automation System
Vision sensors:

will remain very costly
All of these
can not improve much in the next decade
will more closely match the capabilities of the human eye
None of these

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Automation System
The refresh-vector CRT uses which of the following techniques?

Makes changes on the image by increasing the anode voltage.
Uses an electron gun to continuously flood the surface of the tube.
The beam constantly travels across the screen to turn on/off a series of pixels.
Creates images on the screen by scanning straight-line vectors between selected points.
None of these

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Automation System
What is proportional control?

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

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