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CUET PG 2026 — operating system os PYQ

CUET PG | operating system os | 2026

Assertion (A): A binary semaphore can be used to implement mutual exclusion similar to a mutex lock.

Reason (R): A binary semaphore restricts its value to 0 and 1, allowing only one process to enter the critical section at a time.

Choose the correct answer:

Explanation

Assertion (A) is True: A binary semaphore can be used to control access to a critical section, functioning just like a mutex lock.
Reason (R) is True: A binary semaphore allows only values of 0 and 1, ensuring that only a single process can hold the semaphore and enter the critical section at a time.
Correct Explanation: Reason (R) correctly explains Assertion (A) because restricting the semaphore's value to 0 and 1 is the fundamental mechanism that enables mutual exclusion.