Q. Myhill-Nerode Theorem is used for __________

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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. Consider the languages L1 = and L2 = {a}. Which one of the following represents L1 L2* U L1* .

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Q. Choose the correct statement for the following:

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Q. Given the language L = {ab, aa, baa}, which of the following strings are in L* ?

1) abaabaaabaa
2) aaaabaaaa
3) baaaaabaaaab
4) baaaaabaa

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Q. What is the complement of the language accepted by the NFA shown below?

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Q. Which one of the following is FALSE?

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Q. The language accepted by this DFA is

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Q. The minimum state automaton equivalent to the below FSA has the following number of states

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Q. Which one of the following is TRUE?

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Q. Consider the finite automaton in the following figure. What is the set of reachable states for the input string 0011 ?

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Q. Let L1 = {w ∈ {0,1}∗ | w has at least as many occurrences
of (110)’s as (011)’s}.
Let L2 = { ∈ {0,1}∗ | w has at least as many occurrences
of (000)’s as (111)’s}.

Which one of the following is TRUE?

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