Q. Which of the following is the task of lexical analysis?

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Q. The minimum length of a string {0,1}* not in the language corresponding to the given regular expression:
(0*+1*)(0*+1*)(0*+1*)

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Q. Which of the following regular expression is equivalent to R(1,0)?
R(1,0)={111*}*

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Q. The minimum number of 1’s to be used in a regular expression of the given language:
R(x): The language of all strings containing exactly 2 zeroes.

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Q. The given regular language corresponds to which of the given regular language
e+1+(1+0)*0+(0+1)*11

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Q. Statement: If we take the union of two identical expression, we can replace them by one copy of the expression.
Which of the following is a correct option for the given statement?

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Q. Which among the following can be an annihilator for multiplication operation?

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Q. Statement: A digit, when used in the CFG notation, will always be used as a terminal.
State true or false?

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Q. Choose the incorrect process to check whether the string belongs to the language of certain variable or not?

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Q. Statement: Left most derivations are lengthy as compared to Right most derivations.
Choose the correct option:

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Q. A->aAa|bAb|a|b|e
Which among the following is the correct option for the given production?

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