Operating System MCQ

Practice the most important Operating System MCQ MCQs with answers and detailed explanations to improve your preparation.

Q1. Which of the following is an example of an operating system?

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Q2. Which operating system is open source?

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Q3. The kernel of an OS is responsible for:

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Q4. Which scheduling algorithm gives priority to the process that arrives first?

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Q5. Which scheduling algorithm uses time quantum?

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Q6. What is the main function of device drivers?

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Q7. In OS, thrashing is related to:

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Q8. Which of the following is NOT an OS?

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Q9. Which memory is non-volatile and stores the OS permanently?

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Q10. What does multitasking mean in operating systems?

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Q11. Which operating system is mainly used in mobile devices?

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Q12. Which type of OS is used in real-time applications?

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Q13. Which command is used in Linux to list files?

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Q14. Which part of the OS manages file storage and retrieval?

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Q15. Which system call creates a new process in Unix/Linux?

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Q16. What is a deadlock in OS?

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Q17. Which memory management technique divides memory into fixed-size blocks?

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Q18. Which file system is commonly used in Windows?

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Q19. Which OS feature allows multiple users to use the same computer at the same time?

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Q20. Which of these is a Linux distribution?

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