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Q.
Which of the following pairs have DIFFERENT expressive power?

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MCQ
1.
The Grammar can be defined as: G=(V, ?, p, S)
In the given definition, what does S represents?
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MCQ
2. 
Given the following two languages : L1 = {an bn | n ? 0, n ? 100} L2 = {w ? {a, b, c}*| na(w) = nb(w) = nc(w)} Which of the following options is correct ?
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3.
Identify the language generated by the following grammar

S -> AB
 A -> aAb|?
 B -> bB| b
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4.
Consider the CFG with {S,A,B) as the non-terminal alphabet, {a,b) as the terminal alphabet, S as the start symbol and the following set of production rules

S --> aB        S --> bA
B --> b         A --> a
B --> bS        A --> aS
B --> aBB       A --> bAA
Which of the following strings is generated by the grammar?
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5.
For the correct answer strings to above question, how many derivation trees are there?
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