Networking Quiz

1. What is the primary function of an operating system?

a) To manage hardware and software resources b) To provide a user interface c) To execute application programs d) All of the above

2. Which of the following is NOT an operating system?

a) Windows b) Linux c) Oracle d) macOS

3. What is a kernel in an operating system?

a) The core component that manages system resources b) A type of application software c) A user interface d) A programming language

4. Which of the following is a single-user operating system?

a) Windows b) Linux c) macOS d) All of the above

5. What is the main purpose of system calls in an operating system?

a) To provide an interface between hardware and application programs b) To manage memory allocation c) To execute user programs d) To provide a graphical user interface

6. What is a process in an operating system?

a) A program in execution b) A type of hardware c) A user interface d) A file system

7. Which of the following is NOT a process state?

a) Ready b) Running c) Blocked d) Terminated

8. What is the purpose of a scheduler in an operating system?

a) To allocate CPU time to processes b) To manage memory allocation c) To handle I/O operations d) To provide a user interface

9. What is a deadlock in an operating system?

a) A situation where two or more processes are waiting indefinitely for each other b) A type of memory allocation c) A process that has terminated d) A type of scheduling algorithm

10. Which of the following is a process synchronization mechanism?

a) Semaphore b) Mutex c) Monitor d) All of the above

11. What is the purpose of memory management in an operating system?

a) To allocate and deallocate memory to processes b) To manage CPU scheduling c) To handle I/O operations d) To provide a user interface

12. Which of the following is a memory allocation technique?

a) Paging b) Segmentation c) Contiguous allocation d) All of the above

13. What is virtual memory?

a) A memory management technique that uses disk space as an extension of RAM b) A type of physical memory c) A process synchronization mechanism d) A type of scheduling algorithm

14. What is the purpose of a page table in paging?

a) To map logical addresses to physical addresses b) To manage CPU scheduling c) To handle I/O operations d) To provide a user interface

15. What is thrashing in memory management?

a) A situation where the system spends more time swapping pages than executing processes b) A type of memory allocation c) A process synchronization mechanism d) A type of scheduling algorithm

16. What is the purpose of a page replacement algorithm?

a) To decide which page to replace when memory is full b) To allocate memory to processes c) To manage CPU scheduling d) To handle I/O operations

17. Which of the following is a page replacement algorithm?

a) FIFO b) LRU c) Optimal d) All of the above

18. What is the main advantage of segmentation over paging?

a) It supports variable-sized memory allocation b) It is faster than paging c) It does not require a page table d) It eliminates fragmentation

19. What is external fragmentation?

a) Fragmentation that occurs when free memory is divided into small blocks b) Fragmentation that occurs within a process's memory space c) Fragmentation caused by paging d) Fragmentation caused by segmentation

20. What is the purpose of a TLB (Translation Lookaside Buffer)?

a) To speed up address translation b) To manage CPU scheduling c) To handle I/O operations d) To provide a user interface

21. What is the main purpose of a file system in an operating system?

a) To organize and manage files on storage devices b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

22. Which of the following is a file allocation method?

a) Contiguous allocation b) Linked allocation c) Indexed allocation d) All of the above

23. What is the purpose of a directory in a file system?

a) To organize files and subdirectories b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

24. What is the main disadvantage of contiguous file allocation?

a) External fragmentation b) Internal fragmentation c) Slow access time d) Complex implementation

25. What is the purpose of an inode in a file system?

a) To store metadata about a file b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

26. What is the main purpose of I/O management in an operating system?

a) To manage communication between the CPU and I/O devices b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

27. Which of the following is a type of I/O scheduling?

a) FCFS (First-Come, First-Served) b) SSTF (Shortest Seek Time First) c) SCAN d) All of the above

28. What is the purpose of a buffer in I/O management?

a) To temporarily store data during I/O operations b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

29. What is the main purpose of spooling in I/O management?

a) To overlap I/O operations with CPU processing b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

30. What is the purpose of device drivers in an operating system?

a) To provide an interface between the OS and hardware devices b) To manage CPU scheduling c) To handle memory allocation d) To provide a user interface

Operating System MCQ Quiz

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