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Inorder to simplify a context free grammar, we can skip the following operation:

Correct Answer: None of the mentioned
Inorder to simplify the grammar all of the process including the removal of null productions, unit productions and useless symbols is necessary.

Assume the statements S1 and S2 given as: S1: Given a context free grammar, there exists an algorithm for determining whether L (G) is infinite. S2: There exists an algorithm to determine whether two context free grammars generate the same language. Which of the following is true?

Context free grammar is called Type 2 grammar because of ______________ hierarchy.

There is a linear grammar that generates a context free grammar

Inorder to simplify the null value confusion in the rank function we can specify

Which among the following can parse a context free grammar?

If L1 and L2 are context free languages, which of the following is context free?

A context free grammar can be recognized by

State true or false: Statement: Every context free grammar can be transformed into an equvalent non deterministic push down automata.

State true or false: Statement: Every context free language can be generated by a grammar which contains no useless non terminals.

If L1 and L2 are context free languages, L1-L2 are context free: