CUET PG 2026 — operating system os PYQ

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Question

CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

Assertion (A): Peterson's solution provides software-based synchronization for two processes.

Reason (R): Peterson's solution relies on two shared variables: turn and a boolean array flag.

Choose the correct answer:

Explanation

Assertion (A) is True: Peterson's solution is a classic software-based synchronization algorithm designed to solve the critical section problem for two processes without requiring special hardware instructions.
Reason (R) is True: The algorithm uses two shared variables—turn (which indicates whose turn it is) and a boolean array flag (which indicates if a process wants to enter the critical section).
Correct Explanation: Reason (R) correctly explains Assertion (A) because these two shared variables form the structural foundation that enables software-based synchronization and mutual exclusion between the two processes.