This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 50 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 50 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following algorithms tends to minimize the process flow time? A) First come First served. B) Shortest Job First. C) Earliest Deadline First. D) Longest Job First. Show Answer Correct Answer: B) Shortest Job First. 2. CLI is a A) Common line included. B) Command line interface. C) All of these. D) Complex linked interference. Show Answer Correct Answer: B) Command line interface. 3. ..... is used to quickly search for programs and files on the computer and internet. A) Icons. B) Search. C) Taskbar. D) Wallpaper. Show Answer Correct Answer: B) Search. 4. Which component of an operating system is responsible for handling system calls and managing user interactions? A) Kernel. B) Shell. C) Device drivers. D) Scheduler. Show Answer Correct Answer: B) Shell. 5. ..... the operating system can support two or more CPUs. A) Multiprocessing. B) Multitasking. C) Multipurpose. D) Multi-user. Show Answer Correct Answer: A) Multiprocessing. 6. I/O A) Input Output. B) In Out. C) All the above. D) None of the above. Show Answer Correct Answer: A) Input Output. 7. Which term relates to a multiuser system A) Batch jobs. B) Timesharing. C) Serial processing. D) Punch cards. Show Answer Correct Answer: B) Timesharing. 8. Banker's algorithm is used as- A) Deadlock occurrence method. B) Deadlock avoidance method. C) Deadlock detection method. D) Deadlock recovery method. Show Answer Correct Answer: B) Deadlock avoidance method. 9. It handles all requests from the various hardware devices which compete for kernel services. A) Scheduler. B) Supervisor. C) Interrupt handler. D) Memory manager. Show Answer Correct Answer: C) Interrupt handler. 10. What year did microsoft release the source code for MS-DOS A) 2018. B) 2020. C) 2023. D) 2011. Show Answer Correct Answer: A) 2018. 11. The extension of WordPad is A) .rtf. B) .ttf. C) .txt. D) .doc. Show Answer Correct Answer: A) .rtf. 12. There are 10 different processes running on a workstation. Idle processes are waiting for an input event in the input queue. Busy processes are scheduled with the Round-Robin time sharing method. Which out of the following quantum times is the best value for small response times, if the processes have a short runtime, e.g. less than 10ms? A) TQ = 15ms. B) TQ = 40ms. C) She = 45ms. D) TQ = 50ms. Show Answer Correct Answer: A) TQ = 15ms. 13. Which memory management scheme allows processes to be allocated memory in non-contiguous blocks? A) Segmentation. B) Paging. C) Virtual Memory. D) Swapping. Show Answer Correct Answer: A) Segmentation. 14. What are the most popular operating systems? A) Nintendo Switch. B) Windows and Mac OS X. C) Apple. D) Microsoft. Show Answer Correct Answer: B) Windows and Mac OS X. 15. Which of the following is a type of system call? A) File Manipulation. B) Data Processing. C) Network Management. D) Memory Allocation. Show Answer Correct Answer: A) File Manipulation. 16. Function of system software is to serve as the ..... between the user, the application software, and the computer's hardware A) Interface. B) Program. C) Application. D) Server. Show Answer Correct Answer: A) Interface. 17. The wait operation only works when the semaphore is 1 and the signal operation succeeds when semaphore is 0 for ..... A) Deadlock. B) Binary semaphore. C) Counting semaphore. D) Others. Show Answer Correct Answer: B) Binary semaphore. 18. Where is the list of processes that are prepared to be executed and waiting? A) Job queue. B) Ready queue. C) Execution queue. D) Process queue. Show Answer Correct Answer: B) Ready queue. 19. Which components are not available in the Charms Bar tab? A) Search. B) Share. C) Restore. D) Start. Show Answer Correct Answer: C) Restore. 20. A computer system has 6 tape drives, with 'n' processes competing for them. Each process may need 3 tape drives. The maximum value of 'n' for which the system is guaranteed to be deadlock free is? A) 2. B) 3. C) 4. D) 1. Show Answer Correct Answer: A) 2. 21. 5) Which of the following scheduling algorithm is non-preemptive scheduling? A) SJF scheduling. B) Round-Robin scheduling. C) SRTF scheduling. D) None of these. Show Answer Correct Answer: A) SJF scheduling. 22. Which of the following is the type/types of booting? A) Cold Booting. B) Warm Booting. C) Both of Above. D) None of these. Show Answer Correct Answer: C) Both of Above. 23. Heap is used for A) Dynamic memory allocation. B) Storing Arguments. C) Storing Local Variables. D) None of the above. Show Answer Correct Answer: A) Dynamic memory allocation. 24. If your computer is slow, what can the Task Manager help you do? A) Speed up the internet. B) Close programs that are using too much memory. C) Delete files. D) Change the screen resolution. Show Answer Correct Answer: B) Close programs that are using too much memory. 25. What does the acronym mean for GFS? A) Group File System. B) Grand File System. C) Global File System. D) Google File System. Show Answer Correct Answer: C) Global File System. ← PreviousNext →Related QuizzesClass 7 Computer Science Chapter 2 Operating System Quiz 1Class 7 Computer Science Chapter 2 Operating System Quiz 2Class 7 Computer Science Chapter 2 Operating System Quiz 3Class 7 Computer Science Chapter 2 Operating System Quiz 4Class 7 Computer Science Chapter 2 Operating System Quiz 5Class 7 Computer Science Chapter 2 Operating System Quiz 6Class 7 Computer Science Chapter 2 Operating System Quiz 7Class 7 Computer Science Chapter 2 Operating System Quiz 8Class 7 Computer Science Chapter 2 Operating System Quiz 9Class 7 Computer Science Chapter 2 Operating System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books