Compiler Design · Runtime Environments
Official IIT answer key · IIT Bombay · Audited Aug 2026
GATE CSE 2021 Set 1 Q4 · MCQ · 1 mark
Key concept
No account needed
Sit 5 related Runtime EnvironmentsPYQs as a guest. We'll score the set and show which traps cost marks — sign in only if you want to save the run.
Topic notes
In Compiler Design, GATE tests Runtime Environments through conceptual and tracing questions on activation records, procedure activation trees, runtime memory allocation strategies (static vs. stack vs. heap), and scoping rules combined with parameter-passing mechanisms. Questions alternate between 1-mark theoretical concept validation (e.g., requirements for recursion, activation tree traversals) and 2-mark procedural traces (e.g., determining static access links, program output under dynamic scoping, and activation tree construction).
Full Runtime Environments guide →Consider the following statements. S1: The sequence of procedure calls corresponds to a preorder traversal of the activation tree. S2: The sequence of procedure returns corresponds to a postorder traversal of the activation tree. Which one of the following options is correct?
Topic-wise GATE CS PYQs with verified steps
Independent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.
