Parsers
October 9, 2023Parsers
October 9, 2023Parsers
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Question 54
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Which of the following statements is false?
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An unambiguous grammar has the same leftmost and rightmost derivation
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An LL(1) parser is a top-down parser
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LALR is more powerful than SLR
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An unambiguous grammar can never be LR(k) for any k
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Question 54 Explanation:
1 is false because unambiguous grammar need not have the same leftmost and rightmost derivation.
4 is false because the correct statement is an ambiguous grammar can never be LR(K) for any k.
4 is false because the correct statement is an ambiguous grammar can never be LR(K) for any k.
Correct Answer: D
Question 54 Explanation:
1 is false because unambiguous grammar need not have the same leftmost and rightmost derivation.
4 is false because the correct statement is an ambiguous grammar can never be LR(K) for any k.
4 is false because the correct statement is an ambiguous grammar can never be LR(K) for any k.
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