In the context of parsing techniques, LL(1) refers to:

ISRO Scientist/Engineer SC · 2023 · Computer Science · Part A · Discipline

1. A.

   Grammars that parse the input from left to right, produce a rightmost derivation, with a lookahead of 1 symbol.

    

2. B.

   Grammars that parse the input from left to right, produce a leftmost derivation, with a lookahead of 1 symbol.

3. C.

   Grammars that parse the input from left to right, and backtrack at most once.

4. D.

   Grammars that parse the input from right to left, produce a leftmost derivation, and backtrack at most once.

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