Context-free languages are closed under: Correct Answer: B Question 36 Explanation:  Context free languages are not closed under Intersection and complementation. By checking the options only […]

If L1 and L2 are context free languages and R a regular set, one of the languages below is not necessarily a context free language. Which […]

Define for a context free language L ⊆ {0,1}*, init(L) = {u ∣ uv ∈ L for some v in {0,1}∗} (in other words, init(L) is […]

Consider the given figure of state table for a sequential machine. The number of states in the minimized machine will be Correct Answer: B Question 17 […]