Q. Which of the following is correct?
Statement 1: ε represents a single string in the set.

Statement 2: Ф represents the language that consist of no string.

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Q. The appropriate precedence order of operations over a Regular Language is

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Q. Regular Expression R and the language it describes can be represented as:

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Q. Let for ∑= {0,1} R= (∑∑∑) *, the language of R would be

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Q. If ∑= {0,1}, then Ф* will result to:

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Q. The given NFA represents which of the following NFA

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Q. Which of the following represents a language which has no pair of consecutive 1’s if ∑= {0,1}?

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Q. The finite automata accept the following languages:

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Q. (a + b*c) most correctly represents:

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Q. Which of the following regular expressions represents the set of strings which do not contain a substring ‘rt’ if ∑= {r, t}

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Q. According to the precedence rules, x-y-z is equivalent to which of the following?

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Q. Dot operator in regular expression resembles which of the following?

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Q. Which among the following is not an associative operation?

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Q. Which among the following is equivalent to the given regular expression?
01*+1

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Q. The total number of states required to automate the given regular expression
(00)*(11)*

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Q. Generate a regular expression for the following problem statement:
Password Validation: String should be 8-15 characters long. String must contain a number, an Uppercase letter and a Lower case letter.

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Q. Generate a regular expression for the following problem statement:
P(x): String of length 6 or less for å={0,1}*

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Q. The minimum number of states required in a DFA (along with a dumping state) to check whether the 3rd bit is 1 or not for |n|>=3

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Q. Which of the regular expressions corresponds to the given problem statement:
P(x): Express the identifiers in C Programming language

l=letters

d=digits

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Q. Generate a regular expression for the given language:l
L(x): {xÎ{0,1}*| x ends with 1 nd does not contain a substring 01}

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