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Question

What is the main drawback of the basic undo requirement?

a.

It restricts the use of the undo command in the system.

b.

It only works for systems with two states.

c.

It requires complex interactions to achieve the undo effect.

d.

It cannot handle multiple commands in sequence.

Answer: (b).It only works for systems with two states. Explanation:The main drawback of the basic undo requirement is that it only works for systems with two states. The undo command's behavior creates a toggle effect between two states, which limits its applicability to more complex systems with multiple states.

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Q. What is the main drawback of the basic undo requirement?

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