This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does the Principle of Least Privilege (PoLP) entail? A) Users and applications should only have the permissions necessary to perform their tasks. B) Users should have access to all system resources. C) Applications should run with maximum privileges. D) Users should be allowed to change system settings. Show Answer Correct Answer: A) Users and applications should only have the permissions necessary to perform their tasks. 2. Which button shows the window to be in Task Bar? A) Maximize. B) Restore. C) Control Buttons. D) Minimize. Show Answer Correct Answer: D) Minimize. 3. Make the computer system convenient for users, the operating system provides a uniform, logical view of information storage. A) Memory Management. B) Process Management. C) File-System Management. D) Mass Strorage Management. Show Answer Correct Answer: C) File-System Management. 4. Who developed Windows operating system? A) Google. B) Microsoft. C) Apple. D) None of the above. Show Answer Correct Answer: B) Microsoft. 5. What is this part called? Written as 1 in blue. A) Time and Date. B) Icons. C) Start Button. D) Taskbar. Show Answer Correct Answer: A) Time and Date. 6. RAID stands for A) Redundant Array of independent disks. B) Redundant array of individual disks. C) Reusable Array of independent disks. D) Reusable array of individual disks. Show Answer Correct Answer: A) Redundant Array of independent disks. 7. Ubuntu Linux is an example of a A) Open Source Operating System. B) Game. C) Application. D) Word Processor. Show Answer Correct Answer: A) Open Source Operating System. 8. In which one of the following page replacement algorithms it is possible for the page fault rate to increase even when the number of allocated frames increases? A) LRU. B) OPR. C) MRU. D) FIFO. Show Answer Correct Answer: D) FIFO. 9. An increase in a computer's RAM leads to a typical improvement in performance because: A) Virtual memory increases. B) Fewer page faults occur. C) Fewer segmentation faults occur. D) A larger RAM is faster. Show Answer Correct Answer: B) Fewer page faults occur. 10. What is the focus of Data Centred Architecture? A) Central management of application logic. B) Central management and utilization of data. C) Event-driven interactions. D) Decoupling of components. Show Answer Correct Answer: B) Central management and utilization of data. 11. Bootstrap Program is loaded at power-up or reboot A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. By using ..... you can customize the way Windows look and work! A) Control Panel. B) My Documents. C) Task Bar. D) Start Menu. Show Answer Correct Answer: A) Control Panel. 13. F1:-TLB is a Data structureF2:-Page Table is Hardware A) F1 is true but F2 is false. B) F2 is true but F1 is false. C) Both are true. D) Both are false. Show Answer Correct Answer: D) Both are false. 14. The operating systems ability to provide read/write access to files A) User Management. B) Memory Management. C) File Management. D) Peripheral Management. Show Answer Correct Answer: C) File Management. 15. What is a CPU measured in? A) Feet and inches. B) Number of instructions per second. C) Bytes. D) Latency. Show Answer Correct Answer: B) Number of instructions per second. 16. Desktop is the first screen that appears after starting the A) Computer. B) Files. C) Folder. D) None of the above. Show Answer Correct Answer: A) Computer. 17. Which of the following Windows do not have Start button? A) Windows Vista. B) Windows 7. C) Windows 8. D) None of these. Show Answer Correct Answer: C) Windows 8. 18. Which of the following is a set of programs containing instructions that coordinate all the activities among computer hardware resources? A) Management System. B) Disk Base System. C) Operating System. D) Boot System. Show Answer Correct Answer: C) Operating System. 19. Small picture on the desktop are known as A) Icon. B) Folder. C) All the above. D) None of the above. Show Answer Correct Answer: A) Icon. 20. Under multiprogramming, turnaround time for short jobs is usually ..... and that for long jobs is slightly ..... A) Lengthened; Shortened. B) Shortened; Lengthened. C) Shortened; Shortened. D) Shortened; Unchanged. Show Answer Correct Answer: B) Shortened; Lengthened. 21. Lubuntu is ..... A) A C compiler. B) A version of the Linux kernel. C) A distribution of the Linux OS. D) None of the baove. Show Answer Correct Answer: C) A distribution of the Linux OS. 22. What requires text command to interact with the computer A) Microsoft. B) Character user interface. C) Graphical user interface. D) Multi user operating system. Show Answer Correct Answer: B) Character user interface. 23. What type of operating system does not interact directly with the computer? A) Real-time. B) Batch OS. C) Multi-User OS. D) Network OS. Show Answer Correct Answer: B) Batch OS. 24. Fill in the blank ..... W ..... L ..... P ..... E R A) WALLPAPER. B) Wllaperpa. C) WALLPAPERS. D) None of the above. Show Answer Correct Answer: A) WALLPAPER. 25. The long bar at the bottom of the desktop screen is called the? A) Taskbar. B) Icons. C) Start menu. D) Search box. Show Answer Correct Answer: A) Taskbar. ← 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