MCQ
Q.
The classes of languages P and NP are closed under certain operations, and not closed under others. Decide whether P and NP are closed under each of the following operations.
1. Union
2. Intersection
3. Intersection with a regular language
4. Kleene closure (star)
5. Homomorphism
1. Union
2. Intersection
3. Intersection with a regular language
4. Kleene closure (star)
5. Homomorphism
Correct Answer: D