The entity which generate Language is termed as:...

MCQ

The entity which generate Language is termed as:

Automata

Tokens

Grammar

Data

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MCQ

The context free grammar S ? A111|S1, A ? A0 | 00 is equivalent to _________

{0ⁿ1^m | n=2, m=3}

{0ⁿ1^m | n=1, m=5}

{0ⁿ1^m | n should be greater than two and m should be greater than four}

None of the mentioned

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MCQ

Grammar that produce more than one Parse tree for same sentence is ___________

Ambiguous

Unambiguous

Complementation

Concatenation Intersection

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MCQ

Assume the statements S1 and S2 given as:S1: Given a context free grammar, there exists an algorithm for determining whether L (G) is infinite.
S2: There exists an algorithm to determine whether two context free grammars generate the same language.
Which of the following is true?

S1 is correct and S2 is not correct

Both S1 and S2 are correct

Both S1 and S2 are not correct

S1 is not correct and S2 is correct

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MCQ

Let G be a context-free grammar where G = ( { S, A, B, C}, { a,b, d}, P, S ) with the productions in P given below.

S ? ABAC
A ? aA ? ?
B ? bB ? ?
C ? d

(? denotes null string). Transform the grammar G to an equivalent context-free grammar G' that has no ? productions and no unit productions. (A unit production is of the form x ? y, and x and y are non terminals.)

the set of all binary strings with unequal number of 0's and 1's

the set of all binary strings including null string

the set of all binary strings with exactly one more 0 than the number of 1

None of the above

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MCQ

The context free grammar S ? SS | 0S1 | 1S0 | ? generates

Equal number of 0

Unequal number of 0

Any number of 0

None of these

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Banking

Engineering

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Medical

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Regular and context free languages

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category More Theory of Automata Topics

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