What is a top-down parser?

M

Mr. Dubey

🎓 Coach ⭐ 104.48K Points

📊 Information Retrival Techniques

Q. What is a top-down parser?

(A) begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written
(B) begins by hypothesizing a sentence (the symbol s) and successively predicting upper level constituents until individual preterminal symbols are written
(C) begins by hypothesizing lower level constituents and successively predicting a sentence (the symbol s)
(D) begins by hypothesizing upper level constituents and successively predicting a sentence (the symbol s)

💬 Discuss

✅ Correct Answer: (A) begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written

Explanation: a top-down parser begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written.

Explanation by: Mr. Dubey

a top-down parser begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written.

💬 Discussion

📊 Question Analytics

👁️

728

Total Visits

📽️

3 y ago

Published

🎖️

Mr. Dubey

Publisher

📈

80%

Success Rate