Q. Which of the lexical analyser can handle Unicode

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Q. Which NDFA correctly represents the following RE :

a(bab)*∪a(ba)*

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Q. Which is the correct NDFA for the following mentioned expression? (ab)*∪(aba)*.

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Q. Construct a NDFA for the following regular expression :

(a∪b)*aba(a∪b)*

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Q. A deterministic finite automation (DFA)D with alphabet ∑= {a,b} is given below.
Which of the following is a valid minimal DFA which accepts the same language as D?

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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. Consider the set of strings on {0,1} in which, every substring of 3 symbols has at most two zeros. Complete the partially completed DFA that accepts this language is shown below. The missing arcs in the DFA are

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Q. Convert the NFA to DFA

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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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