This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 38 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these are examples of hardware? A) Mouse, keyboard, printer. B) Word, Paint, Minecraft. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mouse, keyboard, printer. 2. Which of the following is a benefit of microkernel-based operating systems? A) Increased performance. B) Simplified structure and better fault tolerance. C) Easy to implement. D) None of the above. Show Answer Correct Answer: B) Simplified structure and better fault tolerance. 3. A role of the operating system that manages applications or programs that are installed on a system. A) Application Management. B) Service Management. C) Access Control/Protection. D) Windows Settings App. Show Answer Correct Answer: A) Application Management. 4. Which of the following is a key feature of a Graphical User Interface (GUI)? A) It uses text commands. B) It relies on voice recognition. C) It provides visual elements like windows and icons. D) It is primarily used in server environments. Show Answer Correct Answer: C) It provides visual elements like windows and icons. 5. Which of the following mechanisms is a locking mechanism? A) Semaphore. B) PCB. C) Mutex. D) Binary Semaphore. Show Answer Correct Answer: C) Mutex. 6. Which of the following statements is NOT true about user interfaces? A) A user interface instructs the computer how to display information on the screen. B) Most computers today use a command-line interface. C) GUI operating systems use menus and visual images such as buttons. D) A user interface controls how you enter data and instructions. Show Answer Correct Answer: B) Most computers today use a command-line interface. 7. Which of the following is a disadvantage of the Least Recently Used (LRU) page replacement algorithm? A) It requires more memory than FIFO. B) It can be complex to implement. C) It does not consider the frequency of access. D) It is less efficient than Optimal Page Replacement. Show Answer Correct Answer: B) It can be complex to implement. 8. To change the size of the window to full screen, we need to click on the ..... button A) Maximize button. B) Minimize button. C) Close button. D) None of the above. Show Answer Correct Answer: A) Maximize button. 9. ..... shares characteristics with both hardware and software. A) Data. B) None. C) Operating System. D) Software. Show Answer Correct Answer: C) Operating System. 10. Which touchscreens need to be constantly calibrated? A) Resistive Touchscreen. B) Capacitive Touchscreen. C) New Touchscreens. D) Gyroscope Screens. Show Answer Correct Answer: A) Resistive Touchscreen. 11. What is the main advantage of using a preemptive multitasking operating system? A) It allows for better responsiveness to user inputs. B) It requires less memory. C) It simplifies process management. D) It eliminates the need for context switching. Show Answer Correct Answer: A) It allows for better responsiveness to user inputs. 12. Which of the following is an advantage of a Time-Sharing OS? A) High Overhead. B) Security Risks. C) Complexity. D) Improved User Experience. Show Answer Correct Answer: D) Improved User Experience. 13. True or False:Recycle bin stores deleted files or folders A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Fcfs is used in which of the following A) Interactive. B) Batch. C) All the above. D) None of the above. Show Answer Correct Answer: B) Batch. 15. What type of interface does an Amazon Echo use? A) Natural Language Interface. B) Command Line Interface. C) Graphical User Interface. D) Menu Interface. Show Answer Correct Answer: A) Natural Language Interface. 16. Which of the following is an example of GUI? A) Windows. B) MS Dos. C) Unix. D) None of the above. Show Answer Correct Answer: A) Windows. 17. Single-user operating systems can have multiple user accounts. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Which is not a process state? A) Waiting. B) Terminated. C) Blocked. D) Redirected. Show Answer Correct Answer: D) Redirected. 19. Which can be used when an sub process is created A) Time(). B) Chmod(). C) Fork(). D) Kill(). Show Answer Correct Answer: C) Fork(). 20. What are the main goals of operating system? A) Convenience and Efficiency. B) Reliable and Affordable. C) Fast and Stable. D) None of the above. Show Answer Correct Answer: A) Convenience and Efficiency. 21. The operating system allowing people to have different accounts A) User Management. B) Memory Management. C) File Management. D) Peripheral Management. Show Answer Correct Answer: A) User Management. 22. Which command is used to display the operating system name A) OS. B) Unix. C) Kernal. D) In them. Show Answer Correct Answer: D) In them. 23. Which of the following is a key responsibility of an operating system in terms of memory management? A) Installing new applications. B) Allocating memory to processes. C) Designing user interfaces. D) Managing internet connections. Show Answer Correct Answer: B) Allocating memory to processes. 24. What is file extension? A) A method of narrowing files. B) A prefix in a file name indicates the file type. C) A tool for editing file material. D) A type of software used to open files. Show Answer Correct Answer: B) A prefix in a file name indicates the file type. 25. You can install new hardware, add and remove (install/uninstall) software programs using ..... A) Control Panel. B) Task Bar. C) My Documents. D) Start Menu. Show Answer Correct Answer: A) Control Panel. ← 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