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Which one of the following kinds of derivation is used by LR parsers? , Which one of the following kinds of derivation is used by LR parsers?
Which one of the following kinds of derivation is used by LR parsers?
A.
Leftmost
Leftmost
B.
Leftmost in reverse
Leftmost in reverse
C.
Rightmost
Rightmost
D.
Rightmost in reverse
Rightmost in reverse
Solution
D. Rightmost in reverse
Explanation
LR parser is a bottom up parser. Hence it uses right most derivation in reverse order.
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