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

Creates images on the screen by scanning straight-line vectors between selected points.
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.

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Automation System
A discrete parts process is:

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

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Automation System
Stepping motors:

do not require commutators
can be built to index different amounts by changing the pole configuration
can run both clockwise and counterclockwise
can run at varying speeds
All of these

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