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.
None of these
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.

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Automation System
A discrete parts process is:

the same as a continuous process except a different controller must be used
normally a repetitive series of operations
often encountered in manufacturing
None of these
(b) and (c)

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