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GateQA — Free GATE CS Preparation Platform

GateQA is a free GATE CS preparation platform featuring 3,500+ previous-year questions (1987–2026), 36,000+ aptitude questions, subject-wise and year-wise mock tests, performance analytics, and full offline support. Practice Operating Systems, Algorithms, DBMS, Computer Networks, Theory of Computation, Discrete Mathematics, Compiler Design, Digital Logic, and more.

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Compiler Design

GATE CSE 2018 | Question: 38

Subject: Compiler Design
Paper: 2018
Consider the following parse tree for the expression a#b$\$$c$\$$d#e#f, involving two binary operators $\$$ and #. Which one of the following is correct for the given parse tree?
Answer: A

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