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.
The beam constantly travels across the screen to turn on/off a series of pixels.
Uses an electron gun to continuously flood the surface of the tube.
None of these

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Automation System
Straight-line operations:

None of these
All of these
can include diagonal cuts if they aren't curved
must be limited to two per workpiece
must be parallel to one of the axes of the coordinate system

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