This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 9) Virtual memory is normally implemented by ..... A) Demand paging. B) Buses. C) Virtualization. D) All of the mentioned. Show Answer Correct Answer: A) Demand paging. 2. UNIX is written in which language? A) C#. B) C. C) C++. D) Html. Show Answer Correct Answer: B) C. 3. Which folder holds the deleted files/ folders in a computer? A) Computer. B) Recycle bin. C) Document. D) None of the above. Show Answer Correct Answer: B) Recycle bin. 4. Which memory management scheme allows programs to be executed even if they are not fully loaded into memory? A) Virtual Memory. B) Paging. C) Segmentation. D) Demand Paging. Show Answer Correct Answer: D) Demand Paging. 5. Linux is an OS made by ..... A) Windows. B) Microsoft. C) Linus trovald. D) Ibm. Show Answer Correct Answer: C) Linus trovald. 6. This type of interface requires a decent hardware spec on your computer A) Command Line Interface. B) Graphical User Interface. C) Natural Language Interface. D) None of the above. Show Answer Correct Answer: B) Graphical User Interface. 7. Which operating system dominates the mobile market? A) Microsoft Windows. B) Apple iOS. C) Linux. D) Google Android. Show Answer Correct Answer: D) Google Android. 8. In a future where advanced AI and quantum computing dominate, can a computer or laptop function without an operating system? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 9. MS-DOS A) Microsoft Disk Operating System. B) My Disk Operating Source. C) All the above. D) None of the above. Show Answer Correct Answer: A) Microsoft Disk Operating System. 10. What is the purpose of a context switch in an operating system? A) To switch between user mode and kernel mode. B) To transfer data between processes. C) To save and restore the state of a process. D) To allocate memory to processes. Show Answer Correct Answer: C) To save and restore the state of a process. 11. Describes the devices used to hold information A) Hard Drive. B) Data Storage. C) Operating System. D) GUI. Show Answer Correct Answer: B) Data Storage. 12. How does the operating system manage programs that are running? A) It allocates free memory when a program requests it. B) It deletes programs from disk once they have been loaded into memory. C) It converts programs to machine code and begins their execution. D) None of the above. Show Answer Correct Answer: A) It allocates free memory when a program requests it. 13. These are example of Stand-alone OS Except for A) Ubuntu. B) Linux. C) Microsoft Mac. D) MAC OS X. Show Answer Correct Answer: C) Microsoft Mac. 14. HTTPS in a web browser means the site you are visiting is unencrypted? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. How many methods did we see to open the Settings dialog box? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 16. A database that stores settings for the operating system and other programs. These settings are stored as keys and values. A) Access Control/Protection. B) Windows Settings App. C) Windows Update. D) Windows Registry. Show Answer Correct Answer: D) Windows Registry. 17. Where is the starting address of each page held in memory management? A) A dictionary. B) Virtual memory. C) Page Table. D) BIOS. Show Answer Correct Answer: C) Page Table. 18. A utility of the Windows operating system which lets you view and change all the keys, giving users greater control over their computers. A) Access Control/Protection. B) Windows Update. C) Windows Registry. D) Registry Editor. Show Answer Correct Answer: D) Registry Editor. 19. Which of the following is not the function of the operating system? A) Process management. B) Virus protection. C) Memory management. D) Device managementAnswer. Show Answer Correct Answer: B) Virus protection. 20. How do you open a file? A) Use a file handling function to specify the file path and mode. B) Drag and drop the file into the application. C) Use a web browser to access the file. D) Open the file by double-clicking it in the file explorer. Show Answer Correct Answer: A) Use a file handling function to specify the file path and mode. 21. What is a system call? A) A function call within a program. B) A request to the kernel for a service. C) A method to handle user inputs. D) A networking protocol. Show Answer Correct Answer: B) A request to the kernel for a service. 22. What is the purpose of user authentication in an operating system? A) To manage hardware components effectively. B) To allow users to customize their settings. C) To enhance the performance of applications. D) To verify the identity of users before granting access. Show Answer Correct Answer: D) To verify the identity of users before granting access. 23. Which Scheduler to pick up the processes from Job pool A) Short-Term Scheduler. B) Mid-Term Scheduler. C) Long-Term Scheduler. D) Process Scheduler. Show Answer Correct Answer: C) Long-Term Scheduler. 24. What is the function of Long term scheduler? A) Brings process from main memory to CPU. B) Brings process from secondary memory to main memory. C) Moves process from cpu to waiting state. D) Moves process from cpu to terminate state. Show Answer Correct Answer: B) Brings process from secondary memory to main memory. 25. What is the function of a firewall in an operating system? A) To manage hardware resources efficiently. B) To enhance the speed of data processing. C) To filter incoming and outgoing traffic. D) To provide a user-friendly interface for applications. Show Answer Correct Answer: C) To filter incoming and outgoing traffic. ← 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