Solved Paper-III On Topic : Solved Paper-III June 2014

Que : 1 . Beam-penetration and shadow-mask are the two basic techniques for producing color displays with a CRT.
Which of the following is not true ?
1.The beam-penetration is used with random scan monitors.
2.Shadow-mask is used in raster scan systems.
3. Beam-penetration method is better than shadow-mask method.
4. Shadow-mask method is better than beam-penetration method.

1. I and II
2. II and III
3. III only
4. IV only
Please Select Ans Options .