InterviewDigestInterviewDigest

OA Practice Workspace

Technical2026-08-16

How heap is allocated for a program

AI-Expanded — inferred from the question title, not from the original candidate report

Explain the fundamental mechanisms by which a program requests and manages memory from the heap during runtime, specifically contrasting the roles of the operating system and the language's memory allocator. Describe how heap allocation handles varying request sizes and discuss the trade-offs between fragmentation, performance, and memory overhead in this process.

Context & Summary

Technical Round with system design and coding questions

💻 Coding practice works best on desktop.
Code editors are too cramped on mobile screens.