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Question

What is the main difference between BNF and regular expressions in terms of representing user actions?

a.

BNF focuses on character-based patterns, while regular expressions focus on user interactions.

b.

BNF represents user actions, while regular expressions focus on state transitions.

c.

Regular expressions are more concise than BNF in representing user actions.

d.

BNF is geared towards rapid expression for experts, while regular expressions are used for simple patterns.

Answer: (d).BNF is geared towards rapid expression for experts, while regular expressions are used for simple patterns. Explanation:Regular expressions are geared towards rapid expression of relatively simple patterns, while BNF employs named subexpressions (like non-terminals) for clarity.

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Q. What is the main difference between BNF and regular expressions in terms of representing user actions?

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