This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 51 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two or more individual systems that use multiple CPUs like parallel systems A) Timesharing. B) Multiprogramming. C) Multi-processing. D) Clustered Systems. Show Answer Correct Answer: D) Clustered Systems. 2. What is the full name of FAT? A) File attribute table. B) File allocation table. C) Font attribute table. D) Format allocation table. Show Answer Correct Answer: B) File allocation table. 3. Smartphones don't need operating systems, only computers do. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. I can see the content of the file but I cannot edit it. This means the file has ..... A) Only write permission. B) Only execute permission. C) Read permission. D) No permissions. Show Answer Correct Answer: C) Read permission. 5. How many satellites does GPS need to work? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: B) 4. 6. Cascading termination refers to the termination of all child processes if the parent process terminates ..... A) Normally or abnormally. B) Abnormally. C) Normally. D) None of the mentioned. Show Answer Correct Answer: A) Normally or abnormally. 7. A ..... is an external device that allows a computer to transfer information over telephone or cable lines. A) Modem. B) Internet. C) All the above. D) None of the above. Show Answer Correct Answer: A) Modem. 8. One of the capabilities of operating systems:The operating system can support two or more CPUs. A) Multi-user. B) Multitasking. C) Multiprocessing. D) Multi-threading. Show Answer Correct Answer: C) Multiprocessing. 9. If I leave my computer on without using it, after a while it goes into ..... mode A) Stand down. B) Waiting for. C) Standby. D) None of the above. Show Answer Correct Answer: C) Standby. 10. What are the two most important functions of an operating system? A) Resource allocation and system optimization. B) Extended Machine and Resource Manager. C) Memory management and security maintenance. D) Networking and performance monitoring. Show Answer Correct Answer: B) Extended Machine and Resource Manager. 11. These are the small pictures on the desktop. A) Taskbar. B) Start button. C) Icons. D) Accessories. Show Answer Correct Answer: C) Icons. 12. Kelly has several documents open on her laptop, and is working concurrently in each one. She is about to leave for several hours to attend an off-site social function, but will return to her documents later in the day. Which option below would save the most power and still ensure that she can pick up right where she left off? A) Hibernating the laptop. B) Putting the laptop to sleep. C) Shutting down the laptop. D) Displaying the lock screen. Show Answer Correct Answer: A) Hibernating the laptop. 13. Who might send out an emergency alert? A) Mr. Doering. B) Trump. C) Obama. D) Professional Organizations. Show Answer Correct Answer: C) Obama. 14. ..... in an operating system, is allowing a user to perform more than one computer task. A) Multiprocessing. B) Multitasking. C) Multipurpose. D) Multi-user. Show Answer Correct Answer: B) Multitasking. 15. What is the task of exec family? A) Replaces the current process image with a new process image. B) To execute the process. C) To create the process. D) None of above. Show Answer Correct Answer: A) Replaces the current process image with a new process image. 16. Where is the BIOS firmware typically stored on a modern motherboard? A) On the RAM. B) On the hard disk. C) On a flash memory chip. D) On the graphics card ROM. Show Answer Correct Answer: C) On a flash memory chip. 17. This type of interface requires low hardware specs to run A) Command Line Interface. B) Graphical User Interface. C) Natural Language Interface. D) None of the above. Show Answer Correct Answer: A) Command Line Interface. 18. Which key is pressed to select adjacent icons? A) Ctrl. B) Caps Lock. C) Shift. D) None of the above. Show Answer Correct Answer: C) Shift. 19. An operating system is a special set of programs that handles all the functions of a computer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. An ..... is an interface between the hardware and the user. A) Operating System. B) Application System. C) All the above. D) None of the above. Show Answer Correct Answer: A) Operating System. 21. Who controls the application to work according to users request? A) Operating system. B) Application Manager. C) All the above. D) None of the above. Show Answer Correct Answer: B) Application Manager. 22. The operating system in these days uses a graphical user interface ..... A) GUI. B) GUA. C) All the above. D) None of the above. Show Answer Correct Answer: A) GUI. 23. Which of the following page replacement algorithms suffers from Belady's anomaly? A) FIFO. B) SSTF. C) LRU. D) Optimal page replacement. Show Answer Correct Answer: A) FIFO. 24. The ..... button gives quick access to documents, windows, applications etc. A) Quick launch toolbar. B) Start button. C) Notification area. D) None of the above. Show Answer Correct Answer: A) Quick launch toolbar. 25. During demand paging, if there is no free frame ..... will be used to select a victim A) Software. B) Hardware. C) Firmware. D) Algorithm. Show Answer Correct Answer: D) Algorithm. ← 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