Code Generation on Compiler related Questions and Answers

Question :   The context free grammar S -> A111|S1, A -> A0 | 00 is equivalent to 1. {0n1? | n=2, m=3} 2. {0n1? | n=1, m=5} 3. {0n1? | n should be greater than two and m should be greater than four} 4. None of these Answer :   1 - {0n1? | n=2, m=3}