Q. The subset construction shows that every NFA accepts a

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Q. Construct a NDFA for the following regular expression

(a∪b)*aba(a∪b)*

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Q. Which is the application of NFA

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Q. Can a DFA simulate NDFA

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Q. Find the wrong statement?

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Q. The behaviour of a NFA can be stimulated by DFA

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Q. The relation between NFA-accepted languages and DFA accepted languages is

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Q. The lexical analysis for a modern language such as Java needs the power of which one of the following machine models in a necessary and sufficient sense?

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Q. What is the complement of the language accepted by the NFA shown below?
(Assume ∑ = {a} and ε is the empty string)

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Q. Which one is a FALSE statement?

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Q. Examine the following DFA: If input is 011100101, which edge is NOT traversed?

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Q. If string s is accepted by this DFA, which of these strings cannot be suffix of s?

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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
6. Inverse homomorphism

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Q. L1 is accepted by the NFA, obtained by changing the accepting state of M to a non-accepting state and vice versa. Which of the following statements is true?

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Q. The number of states in DFA that accepts the language L(M) ∩ L(N) is ________.

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Q. The reorganizing capability of NDFA and DFA

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Q. Which of the following statement is true?

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Q. Grammars that can be translated to DFAs :

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Q. A language is regular if and only if it is accepted by finite automata

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Q. A Push Down Automata _______________ is if there is at most one transition applicable to each configuration?

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