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computer science automation system
1. The refresh-vector CRT uses which of the following techniques?
(A): Creates images on the screen by scanning straight-line vectors between selected points.
(B): Makes changes on the image by increasing the anode voltage.
(C): None of the above
(D): The beam constantly travels across the screen to turn on/off a series of pixels.
(E): Uses an electron gun to continuously flood the surface of the tube.
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