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): The Bounded-Buffer problem requires only a single mutex semaphore to manage both critical section access and buffer capacity tracking.

Reason (R): Counting semaphores are specifically needed to keep track of the number of empty slots and full slots available inside a finite buffer space.

Choose the correct answer:

Explanation

Assertion (A) is False:
A single mutex semaphore is only used to ensure mutual exclusion when accessing the critical section (the buffer itself). It cannot manage buffer capacity tracking on its own; capacity requires counting semaphores (empty and full) to track available and occupied slots.
Reason (R) is True:
Counting semaphores are essential in the bounded-buffer (producer-consumer) problem to accurately record and synchronize the count of empty and full slots in the finite shared buffer.