This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 68 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 68 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. THE SIMULTANEOUSLY PROCESSING OF TWO OR MORE PROGRAMS BY MULTIPLE PROCESSORS, IS? A) MULTI-PROGRAMMING. B) MULTI-TASKING. C) MULTI-PROCESSING. D) NONE OF THE ABOVE. E) ALL OF THE ABOVE. Show Answer Correct Answer: C) MULTI-PROCESSING. 2. To copy the item instead of moving it, press and hold down CTRL while dragging. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. Which option helps to hide the labels and pile up the icons of same programs? A) Always combine, hide labels. B) Combine when taskbar is full. C) Never combine. D) None of the above. Show Answer Correct Answer: A) Always combine, hide labels. 4. Which of the following is not a generation of operating systems? A) First generation. B) Third generation. C) Fifth generation. D) Virtual generation. Show Answer Correct Answer: D) Virtual generation. 5. The grouping of jobs that require similar resources A) Timesharing. B) Serial processing. C) Multiprogramming. D) Batch processing. Show Answer Correct Answer: D) Batch processing. 6. Which of the following is true about a monolithic kernel? A) It has a single large code base that handles all services. B) It has a modular design. C) It is more fault-tolerant. D) It supports virtual machines. Show Answer Correct Answer: A) It has a single large code base that handles all services. 7. Which of this is a disadvantage of NOS? A) Server provides the best protection. B) Easy hardware's configuration. C) Dedicated file server has better stability. D) It totally depends upon the center server for all types of operations such as storage and accessing data. Show Answer Correct Answer: D) It totally depends upon the center server for all types of operations such as storage and accessing data. 8. What is the Bell-LaPadula Model? A) A security model that ensures confidentiality by restricting users from accessing higher security levels. B) A model that focuses on data integrity. C) A model that allows free access to all data. D) A model that is used for user authentication. Show Answer Correct Answer: A) A security model that ensures confidentiality by restricting users from accessing higher security levels. 9. Which of the following option helps to reduce the size of the taskbar icons? A) Lock the taskbar. B) Use small icons. C) Auto hide the taskbar. D) None of the above. Show Answer Correct Answer: B) Use small icons. 10. Word processing, spreadsheet, database, and presentation graphics are examples of: A) Operating system. B) Device driver. C) Application software. D) Computer hardware. Show Answer Correct Answer: C) Application software. 11. We have to ..... the window before moving it. A) Minimize. B) Close. C) Un-maximize/ Restore. D) None of the above. Show Answer Correct Answer: C) Un-maximize/ Restore. 12. RAM is what kind of memory? A) Stational. B) Forever. C) Slow. D) Temporary. Show Answer Correct Answer: D) Temporary. 13. Which of this is NOT a hardware requirement of NOS? A) Personal computers. B) Protocol Suite. C) Local network devices. D) Server. Show Answer Correct Answer: B) Protocol Suite. 14. In an operating system, each process has its own? A) Address space and global variables. B) Open files. C) Pending alarms, signals and signal handlers. D) All of the mentioned. Show Answer Correct Answer: A) Address space and global variables. 15. Worldwide, publicly accessed network A) Supercomputer. B) Internet. C) Aparnet. D) Firewall. Show Answer Correct Answer: B) Internet. 16. What are the characteristics of a good operating system? A) Speed, privacy, customization, user-friendly interface. B) Stability, security, efficiency, compatibility, user-friendly interface, regular updates. C) Reliability, speed, compatibility, regular updates. D) Efficiency, security, customization, user-friendly interface. Show Answer Correct Answer: B) Stability, security, efficiency, compatibility, user-friendly interface, regular updates. 17. In a simple operating system, which of the following is responsible for managing system resources such as CPU time and memory? A) User interface. B) Kernel. C) File system. D) Graphical user interface (GUI). Show Answer Correct Answer: B) Kernel. 18. The wait operation of the semaphore basically works on the basic ..... system call. A) Stop(). B) Block(). C) Hold(). D) Wait(). Show Answer Correct Answer: B) Block(). 19. When did microsoft release the source code for MS-DOS 1.25 and 2.0 A) 2016. B) 2017. C) 2015. D) 2018. Show Answer Correct Answer: D) 2018. 20. What is the main disadvantage of using the FIFO page replacement algorithm? A) It is inefficient for large processes. B) It requires too much memory. C) It is too complex to implement. D) It can lead to Belady's anomaly. Show Answer Correct Answer: D) It can lead to Belady's anomaly. 21. Is Sideloading recommended for users? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 22. The English Equivalent Term of "Memory Distribution" is A) Memory allocation. B) Memory code. C) All the above. D) None of the above. Show Answer Correct Answer: A) Memory allocation. 23. How do you share a file? A) Right-click on the file and choose 'Share'. B) Send the file via email. C) Upload the file to cloud storage. D) Copy the file to USB drive. Show Answer Correct Answer: A) Right-click on the file and choose 'Share'. 24. THIS BOX APPEARS ON THE DESKTOP WHEN WE START A PROGRAM A) WINDOW. B) OPERATING SYSTEM. C) TASKBAR. D) None of the above. Show Answer Correct Answer: A) WINDOW. 25. What is OS hardening? A) The process of securing an operating system by reducing its attack surface. B) The process of increasing the speed of an operating system. C) The process of adding more applications to an OS. D) The process of upgrading hardware components. Show Answer Correct Answer: A) The process of securing an operating system by reducing its attack surface. ← 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