Illustrate the merits and also demerits of DVST
Illustrate the merits and also demerits of DVST?
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The merits and demerits of direct view storage tubes (DVST) are as follows:
a. It has a flat screen
b. Refreshing of screen is not required
c. Selective or part erasing of screen is not possible
d. It has poor contrast
e. Performance is inferior to the refresh CRT
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