Question

Which one of the following is a top-down parser?

• A. Operator precedence parser
• B. An LR(k) parser
• C. An LALR(k) parser
• D. Recursive descent parser

Answer 1

The correct option is D Recursive descent parser

Predictive parser and recursive descent parser are example of top-down parser. Whereas LR(k) and LALR(k) parser are bottom up parser.