This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The portion of the desktop which display the clock and some icons is known as A) Wallpaper. B) Icons. C) System Tray. D) Taskbar. Show Answer Correct Answer: C) System Tray. 2. What mobile payment service uses the physical phone? A) SMS. B) Direct Mobile Billing. C) NFC. D) Mobile Web Payments. Show Answer Correct Answer: C) NFC. 3. The button used to manage files and folders. A) Power. B) Word. C) Cortana. D) File Explorer. Show Answer Correct Answer: D) File Explorer. 4. The amount of memory in a real time system is generally ..... A) Less compared to PCs. B) High compared to PCs. C) Same as in PCs. D) They do not have any memory. Show Answer Correct Answer: A) Less compared to PCs. 5. Which one will be affected by Global setting? A) All user accounts. B) Individual account. C) Dialogue box. D) None of the above. Show Answer Correct Answer: A) All user accounts. 6. Opening more than one window at a time. A) Operations. B) Desktop. C) Multitasking. D) Operating System. Show Answer Correct Answer: C) Multitasking. 7. This allows equipment such as fax machines, printers and files to be "served" to multiple computers A) Server. B) Hardware. C) Software. D) Computer. Show Answer Correct Answer: A) Server. 8. What is the key difference between a monolithic kernel and a microkernel? A) Monolithic kernel is more secure than a microkernel. B) Microkernel is smaller and less complex than a monolithic kernel. C) Monolithic kernel allows direct communication between kernel components. D) Microkernel provides better performance for multitasking. Show Answer Correct Answer: B) Microkernel is smaller and less complex than a monolithic kernel. 9. The ability for a computer to execute more than one task simultaneously A) Multitasking. B) Multiprogramming. C) Multiprocessing. D) Timesharing. Show Answer Correct Answer: C) Multiprocessing. 10. Which type of User Interface contains Windows, Icons, Menus, and Pointers? A) Command Line Interface. B) Graphical User Interface. C) Menu Interface. D) No User Interface. Show Answer Correct Answer: B) Graphical User Interface. 11. Who founded Apple Computer? A) Steve Jobs. B) Steven Fry. C) Bill Gates. D) Steve Wozniak AKA THe Great and Powerful Woz. Show Answer Correct Answer: A) Steve Jobs. 12. Short period of time in which a user process gets CPU time is known as A) Time slice. B) Time slot. C) Quantum. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 13. Which of the following is a primary function of an operating system? A) A.)Managing hardware resources. B) B) Running user applications. C) C) Providing a user interface. D) D) All of the above. Show Answer Correct Answer: D) D) All of the above. 14. What does this describe? Parts of a program in unequal sizes using logical divisions. A) Paging. B) Segmentation. C) Virtual memory. D) Partitioning. Show Answer Correct Answer: B) Segmentation. 15. Dependence on a central location for operation. A) ADVANTAGE. B) DISADVANTAGE. C) All the above. D) None of the above. Show Answer Correct Answer: B) DISADVANTAGE. 16. What is the best way to shut down a computer? A) Press the power button on the computer case. B) Click Start, Power, Shut down, then let the process complete. C) Press CTRL+ALT+DEL twice. D) Press ESC. Show Answer Correct Answer: B) Click Start, Power, Shut down, then let the process complete. 17. Which is an example of a multi-user operating system? A) Linux. B) MAC OS. C) Windows 10. D) Windows 8. Show Answer Correct Answer: A) Linux. 18. The first screen when the computer is ready to use. A) Desktop. B) Icon. C) Interface. D) Windows. Show Answer Correct Answer: A) Desktop. 19. Which is used in cpu scheduler A) Short term scheduler. B) Mid term scheduler. C) Long term scheduler. D) Process scheduler. Show Answer Correct Answer: A) Short term scheduler. 20. Which of the following is a disadvantage of using a round-robin scheduling algorithm? A) It can lead to high turnaround time. B) It is fair to all processes. C) It is easy to implement. D) It minimizes waiting time. Show Answer Correct Answer: A) It can lead to high turnaround time. 21. Which of the following is not an operating system? A) Linux. B) WIndows. C) Synix. D) OF THE. Show Answer Correct Answer: C) Synix. 22. Controls how internal and external hardware sends, receives and stores information A) Kernel. B) User interface. C) Gadgets. D) Widgets. Show Answer Correct Answer: A) Kernel. 23. Which of the following services is not managed by the operating system? A) User access rights. B) Multitasking. C) File management. D) ROM. Show Answer Correct Answer: D) ROM. 24. The position of the task for cannot be changed. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 25. Which type of user interface is difficult to use and requires little processing power? A) Graphical User Interface. B) Command Line Interface. C) All the above. D) None of the above. Show Answer Correct Answer: B) Command Line Interface. ← 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