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

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
Makes changes on the image by increasing the anode voltage.

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Automation System
Vision sensors:

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

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