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Which of the following statements is false?

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Which of the following statements is false?

(a) Unambiguous grammar has both kind of derivations

(b) An LL(1) parser is a top-down parser

(c) LALR is more powerful than SLR

(d) Ambiguous grammar can’t be LR(k)

This question was posed to me by my college director while I was bunking the class.

The above asked question is from Predictive Top-Down Parsing topic in section Topdown Parsing of Compiler

1 Answer

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The correct option is (a) Unambiguous grammar has both kind of derivations

Easiest explanation: If a grammar has more than one leftmost (or rightmost) derivation the grammar is ambiguous.

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