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Beam-penetration and shadow-mask are the two basic techniques for producing color displays with a CRT.Which of the following is not true ?I. The beam-penetration is used with random scan monitors.II. Shadow-mask is used in raster-scan systems.III. Beam-penetration method is better than shadow-mask method.IV. Shadow-mask method is better than beam-penetration method.

A. I and II
B. II and III
C. III only
D. IV only
Answer» D. IV only


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