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

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