Benefits of DVST over CRT

Specify the benefits of DVST over CRT. State some of the drawbacks of the DVST.

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Advantages are as follows:

a) Refreshing is not required.

b) Complex pictures may be displayed at the very high resolution without flicker.

Disadvantages are listed as follows:

a) They do not display any color.

b) Some selected part of picture cannot be erased.

c) The redrawing and the erasing process may take few seconds for complex pictures.

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