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Sticky Note
Which of the following is true about preemptive scheduling?
مندرجہ ذیل میں سے پری ایمپٹیو شیڈولنگ کے بارے میں کون سا درست ہے؟
  1. A process cannot be interrupted once started
  2. A process can be interrupted to allow a higher-priority process to run
  3. CPU is always allocated in a fixed order
  4. All processes run simultaneously
Explanation
  • Preemptive scheduling allows the CPU to pause a running process if a higher-priority process needs it.
  • This ensures important tasks are handled promptly.
  • It is different from non-preemptive scheduling, where a process runs until completion.

  • Examples include Round Robin and Priority Scheduling.

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