GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
20. | The refresh-vector CRT uses which of the following techniques? | |
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. | |