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): Non-preemptive scheduling algorithms are ideal for time-sharing systems like modern desktop operating systems.

Reason (R): Time-sharing environments require periodic clock interrupts to context-switch between users, ensuring interactive responsiveness.

Choose the correct answer:

Explanation

Analysis of Assertion (A): Time-sharing systems need preemptive scheduling so the CPU can switch between processes and maintain responsiveness. Non-preemptive scheduling lets a process keep the CPU until it finishes or yields, which is unsuitable for time-sharing. Thus, Assertion (A) is false.
Analysis of Reason (R): Time-sharing environments depend on periodic clock interrupts to trigger context switches and ensure interactive responsiveness. Thus, Reason (R) is true.

Correct Option: (d) Assertion (A) is false, but Reason (R) is true.