This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the memory management layer in an operating system? A) To manage memory access. B) To control external devices. C) To provide a user interface. D) To organize data storage. Show Answer Correct Answer: A) To manage memory access. 2. ..... is the extension of shell script file. A) .bin. B) .txt. C) .os. D) .sh. Show Answer Correct Answer: D) .sh. 3. Which one of the following statements about OS is NOT true? A) Operating Systems are the interface between computer hardware and the user. B) The CPU can run multiple processes at the same time. C) A computer can support several applications being open at the same time. D) Peripherals require software called "drivers" in order for the OS to control them. Show Answer Correct Answer: B) The CPU can run multiple processes at the same time. 4. Process of starting a computer or mobile devices from a state when it is powered off completely is known as A) Cold boot. B) Warm boot. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cold boot. 5. The title bar is present at the bottom of the Text Editor window. True/False? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Which of the following is a pre-emptive scheduling algorithm? A) FCFS (First-Come, First-Served). B) SJF (Shortest Job First). C) Round Robin (RR). D) Priority Scheduling. Show Answer Correct Answer: C) Round Robin (RR). 7. To allow a user to interact with an Operating System-it must have a ..... ? A) User Connection. B) User Interface. C) Virtual Connection. D) Remote Accesss. Show Answer Correct Answer: B) User Interface. 8. Every time a memory location is accessed, the processor looks into the ..... to identify the corresponding ..... A) Block table, block number. B) Page table, block number. C) Page frame number, page table. D) Page table, page frame number. Show Answer Correct Answer: D) Page table, page frame number. 9. Select the incorrect operating system A) Window. B) MS-Dos. C) Linux. D) Explorer. Show Answer Correct Answer: D) Explorer. 10. What is not one of the basic functions of an operating system? A) Manage applications. B) Tracking the date and time. C) Provide a user interface. D) Control hardware access. Show Answer Correct Answer: B) Tracking the date and time. 11. To change directory to 2 steps back which of the following command is used? A) Cd //. B) Cd././. C) Cd / /. D) Cd / /. Show Answer Correct Answer: C) Cd / /. 12. Which scheduling algorithm ensures that each process gets an equal amount of CPU time? A) Round-Robin. B) First-Come, First-Served (FCFS). C) Shortest Job Next (SJN). D) Priority-based. Show Answer Correct Answer: A) Round-Robin. 13. Lollipop is an example of Android OS. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Wanda has a laptop with a RAM capacity of 2 GB and a storage media in the form of a hard drive of 120 GB, he installed Windows 10 for the laptop, but after being used after a long time the laptop felt heavy and the boot also took a short time, why? A) The number of bugs on Windows 10 OS. B) Wanda Not Login As Administrator. C) Wanda rarely clean her laptop. D) Laptop specifications owned by Wanda do not work for running Windows 10. Show Answer Correct Answer: D) Laptop specifications owned by Wanda do not work for running Windows 10. 15. ..... collects some data without the user's knowledge and sends it over the internet to a third party who can use it for something wrong A) Virus. B) Spyware. C) All the above. D) None of the above. Show Answer Correct Answer: B) Spyware. 16. Which of these is not a software? A) Windows 10. B) Office 2016. C) CPU. D) Word. Show Answer Correct Answer: C) CPU. 17. How can you restore a file? A) Go to the recycle bin and right-click on the file and choose 'Restored'. B) Download the file again. C) After removing the file, make it again. D) Re-start the computer. Show Answer Correct Answer: A) Go to the recycle bin and right-click on the file and choose 'Restored'. 18. In the year what was the first operating system developed? A) 1940s. B) 1950s. C) 1960s. D) 1970s. Show Answer Correct Answer: B) 1950s. 19. A single user operating system supports ..... at a time. A) One user. B) Three users. C) Two users. D) Four users. Show Answer Correct Answer: A) One user. 20. The main electronic component used in first generation computers was A) Transistors. B) Vacuum Tubes and Valves. C) Integrated circuits. D) None of these. Show Answer Correct Answer: B) Vacuum Tubes and Valves. 21. Which of these is not a job of the operating system? A) Stopping unauthorised users accessing files that do not belong to them. B) Handling HTTP requests for webpages. C) Allocating memory to programs that are running on the computer. D) None of the above. Show Answer Correct Answer: B) Handling HTTP requests for webpages. 22. Which is an example of software? A) Microphone. B) Scanner. C) Keyboard. D) MS Office. Show Answer Correct Answer: D) MS Office. 23. Determining the view of the image is the icon showing the details of the file.Which option A) Tiles. B) Detials. C) Content. D) List. Show Answer Correct Answer: A) Tiles. 24. A ..... bit in the page table indicates if the block is in RAM or not. A) Dirty bit. B) Protection bit. C) Gray to be. D) Present bit. Show Answer Correct Answer: D) Present bit. 25. What does graphics mean A) Pictures. B) GUI. C) Wallpaper. D) None of the above. Show Answer Correct Answer: A) Pictures. ← 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