Automation System
A technique for displaying applications where complex 3-D geometric are required for the exteror shall of a product is called:

2-D modeling
None of these
solid modeling
surface modeling
3-D modeling

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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.
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.
Makes changes on the image by increasing the anode voltage.
None of these

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