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Q.
Consider the grammar with productionsS ? aSb | SS | ?This grammar is

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MCQ
1.
Identify the language generated by the following grammar

S -> AB
 A -> aAb|?
 B -> bB| b
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2.
Given the following grammars: G1: S ? AB|aaB A ? aA | ? B ? bB | ? G2: S ? A|B A ? aAb | ab B ? abB | ? Which of the following is correct?
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3.

Which of these languages are not context free

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4. 
Consider the following languages:
I. {ambncpdq ? m + p = n + q, where m, n, p, q ? 0}
II. {ambncpdq ? m = n and p = q, where m, n, p, q ? 0}
III. {ambncpdq ? m = n = p and p ? q, where m, n, p, q ? 0}
IV. {ambncpdq ? mn = p + q, where m, n, p, q ? 0}
Which of the above languages are context-free?
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5. 
The language {am bn Cm+n | m, n ? 1} is
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