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Q.
In the correct grammar of above question, what is the length of the derivation (number of steps starring from S) to generate the string albm with l ? m? 

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MCQ
1.
Consider the language L = { an ? n?0 }?{ anbn ? n?0 } and the following statements.I. L is deterministic context-free.II. L is context-free but not deterIII. L is not LL(k) for any k.Which of the above statements is/are TRUE ?
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2.
Consider the following languages. 
gatecs2013.12
Which one of the following statements is FALSE?
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3. 
 Consider the language L1,L2,L3 as given below. L1={0^{p}1^{q} | p,q \in N} L2={0^{p}1^{q} | p,q \in N and p=q} L3={0^{p}1^{q}0^{r} | p,q,r \in N and p=q=r} Which of the following statements is NOT TRUE?
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4.
Which of the following sentences can be generated by

S -> aS | bA
A -> d | cA
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5.
Identify the language generated by the following grammar

S -> AB
 A -> aAb|?
 B -> bB| b
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