Advantages and disadvantages of DVST over CRT

Question

Illustrate advantages of DVST over CRT? Also list some disadvantages of DVST?

Answer 1

Advantages:

1. Refreshing is not essential.

2. Without flicker, very complex pictures can be exhibit at very high resolution.

Disadvantages:

1. They normally never display colour.

2. Selected part of picture never removed.

3. It can take quite a few seconds for composite pictures while redrawing and erasing process.