This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 56 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. DOS stands for A) Disk Operating Signal. B) Disk Operating System. C) Disk Orientation System. D) Disk Orientaional Signal. Show Answer Correct Answer: B) Disk Operating System. 2. What are the critical security functions of an OS? A) User Authentication, Process Isolation, System Monitoring and Logging, Access Control. B) Data Encryption, Firewall Management, Network Monitoring. C) User Interface Design, Application Development. D) Hardware Management, Software Installation. Show Answer Correct Answer: A) User Authentication, Process Isolation, System Monitoring and Logging, Access Control. 3. JPEG stands for Joint Photographic Experts Group. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. It is a multitasking operating system as it can run multiple tasks simultaneously without affecting the system speed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. What are the key features of a network operating system? A) Cooking recipes. B) Weather forecasting. C) Ability to play video games. D) Some key features of a network operating system include file and resource sharing, user administration, security, and network management. Show Answer Correct Answer: D) Some key features of a network operating system include file and resource sharing, user administration, security, and network management. 6. Which year operating system was introduced A) 1999. B) 1950. C) 1989. D) None of the above. Show Answer Correct Answer: B) 1950. 7. Windows 10 the successor of? A) Windows 8.1. B) Windows 7. C) Windows 8. D) Windows 7.1. Show Answer Correct Answer: A) Windows 8.1. 8. Which is faster than first-fit? A) Best fit. B) Worst fit. C) Both. D) Neither. Show Answer Correct Answer: D) Neither. 9. The ..... is a core component of an operating system and serves as the main interface between the computer's physical hardware and the processes running on it. It enables multiple applications to share hardware resources by providing access to CPU, memory, disk I/O, and networking. A) CPU. B) Kernel. C) Hard disk. D) BIOS. Show Answer Correct Answer: B) Kernel. 10. Page fault occurs when A) When a requested page is in memory. B) When a requested page is not in memory. C) When a page is currupted. D) When an exception is thrown. Show Answer Correct Answer: B) When a requested page is not in memory. 11. Software program that carries out some action A) Process. B) Command. C) Software. D) Direction. Show Answer Correct Answer: A) Process. 12. The clock is present on the right side of the taskbar. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. What is the role of the base and limit registers in memory management? A) To define the logical address space. B) To allocate memory dynamically. C) To manage I/O operations. D) To handle CPU scheduling. Show Answer Correct Answer: A) To define the logical address space. 14. In which state is a process that is waiting for an event to occur? A) Running. B) Ready. C) Blocked. D) New. Show Answer Correct Answer: C) Blocked. 15. The most important program in the operating system is the ..... A) Supervisor program. B) Utility program. C) File manager. D) System manager. Show Answer Correct Answer: A) Supervisor program. 16. Which of these mobile operating system are open source? A) Windows Mobile. B) Linux. C) Android. D) Apple iOS. Show Answer Correct Answer: C) Android. 17. A file extension of.xlsx means that the file can be opened by what program? A) Microsoft Excel. B) Microsoft Office. C) Microsoft Word. D) Microsoft Powerpoint. Show Answer Correct Answer: A) Microsoft Excel. 18. What does the term 'Virtualization' refer to in the context of operating systems? A) Optimizing system performance through hardware upgrades. B) Running multiple instances of the same application. C) Allowing multiple operating systems to run on a single physical machine. D) Enhancing network security protocols. Show Answer Correct Answer: C) Allowing multiple operating systems to run on a single physical machine. 19. The options present in the Start menu provide access to the main programs on the computer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. FCFS is operates similar to a A) Stack. B) Sorting algorithm. C) Circle. D) Queue. Show Answer Correct Answer: D) Queue. 21. Windows Server is A) An operating system designed to look after it's own business. B) An operating system which can be used like Windows 10. C) Is a network operating system, which is designed to administer networks. D) None of the above. Show Answer Correct Answer: C) Is a network operating system, which is designed to administer networks. 22. Multiprogramming systems: A) Execute more jobs in the same time period. B) Execute each job faster. C) Are used only one large mainframe computers. D) Are easier to develop than single programming systems. Show Answer Correct Answer: A) Execute more jobs in the same time period. 23. The ..... feature allows to turn the open windows transparent and make the desktop of the computer visible. A) Flexi Peek. B) Trans Peek. C) Aero Peek. D) None of the above. Show Answer Correct Answer: C) Aero Peek. 24. What does the term 'two-factor authentication' mean? A) A method of encrypting data for secure transmission. B) A security process that requires two different forms of identification. C) A way to improve system performance by using two processors. D) A technique for backing up data to prevent loss. Show Answer Correct Answer: B) A security process that requires two different forms of identification. 25. In a futuristic world where advanced AI systems manage everything, which operating system is considered very old? A) Windows. B) OF THE. C) Mac. D) None of these. Show Answer Correct Answer: B) OF THE. ← 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