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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

Assertion (A): Hashed Page Tables are highly suitable for managing systems with very large 64-bit virtual address spaces.

Reason (R): Hashed page tables use a hash function to map virtual page numbers to a hash table chain, keeping the data structure compact regardless of sparse allocations.

Choose the correct answer:

Explanation

Assertion (A) is true because hashed page tables are designed for very large address spaces like 64-bit systems, avoiding the excessive memory waste of traditional multi-level page tables in sparse allocations. Reason (R) is true because using a hash function and chaining maps virtual page numbers compactly. Finally, Reason (R) correctly explains Assertion (A) because this space-efficient hashing mechanism is precisely what makes hashed page tables practical for massive 64-bit virtual address spaces.