This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which company is responsible for the Android operating system? A) Apple. B) Samsung. C) Google. D) Windows. Show Answer Correct Answer: C) Google. 2. A layer of a computer system to translate or bridge between hardware and user and as a display giver on a computer is A) Firmware. B) Monitor. C) Operating system. D) Bios. Show Answer Correct Answer: C) Operating system. 3. In a operating system, the purpose of the stack is ..... A) To store the return addresses of called functions. B) To keep the parameters of called functions. C) To store local variables. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Which of the printer is used in conjunction with computers uses dry ink powder? A) Daisy Wheel Printer. B) Line Printer. C) Dot Matrix Printer. D) Laser printer. Show Answer Correct Answer: D) Laser printer. 5. SHORTCUT TO MINIMIZE ALL THE WINDOWS OPEN ON YOUR DESKTOP A) SHIFT+M. B) WIN+K. C) WIN KEY+M. D) SHIFT+K. Show Answer Correct Answer: C) WIN KEY+M. 6. Which key is used to close the active window? A) Ctrl + F4. B) Ctrl + F5. C) ALT + F4. D) ALT + F7. Show Answer Correct Answer: C) ALT + F4. 7. For moving the window, place the mouse pointer over the ..... A) Launcer. B) Window. C) Titlebar. D) None of the above. Show Answer Correct Answer: C) Titlebar. 8. ..... is open-source software used for building robot applications. A) The.Rose. B) B. RES. C) C. OSR. D) D. OCR. Show Answer Correct Answer: A) The.Rose. 9. If the computer crashes, you can press the ..... button. A) Restart. B) Repeat. C) Replay. D) None of the above. Show Answer Correct Answer: A) Restart. 10. How do you change the name of a folder? A) Right-click on the folder and choose 'Change'. B) Remove the folder and create a new folder. C) Open the folder and change it. D) Drag the folder to a new place. Show Answer Correct Answer: A) Right-click on the folder and choose 'Change'. 11. What are some disadvantages of operating systems? A) Being difficult to use and requiring heavy maintenance. B) Being user-friendly and cost-effective. C) Enhancing device security and optimizing system performance. D) Providing virtualization capabilities and networking features. Show Answer Correct Answer: A) Being difficult to use and requiring heavy maintenance. 12. Which of the following is the largest unit of storage? A) MB. B) TB. C) GB. D) KB. Show Answer Correct Answer: B) TB. 13. Which of these is not applications software? A) Spreadsheet. B) Database. C) Word Processor. D) Anti virus. Show Answer Correct Answer: D) Anti virus. 14. The ..... is a security app by Microsoft which is a built-in Windows OS that is designed to filter network data from your Windows system & block harmful communications or the programs which are initiating them. A) Windows Security Essentials. B) Windows Firewall. C) Windows Apply Blocker. D) Windows 10. Show Answer Correct Answer: A) Windows Security Essentials. 15. Which of the following is not a resource managed by the OS? A) CPU. B) Cache. C) Graphics Processor. D) Data. Show Answer Correct Answer: D) Data. 16. It is the process to turn off the computer completely. A) Restart. B) Shutdown. C) Sleep. D) None of the above. Show Answer Correct Answer: B) Shutdown. 17. Allows more than one user to access the operating system at the same time. A) Multi-user OS. B) Single-user OS. C) All the above. D) None of the above. Show Answer Correct Answer: A) Multi-user OS. 18. All the programs that run on the computer are called A) Hardware. B) Software. C) All the above. D) None of the above. Show Answer Correct Answer: B) Software. 19. The Kernel Mode is concerned with everything running in the background. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. All of the following are operating system categories EXCEPT: A) Realtime. B) Single user, Single task. C) Single user, multitask. D) Virtual. Show Answer Correct Answer: D) Virtual. 21. Which of the following is a benefit of a Command Line Interface? A) Does not need a powerful computer. B) Easy for inexperienced users to learn. C) Recognises slang words. D) Looks pretty. Show Answer Correct Answer: A) Does not need a powerful computer. 22. What are the key components of a general-purpose computer system? A) Memory, CPU, and I/O devices. B) Hardware, system programs, and application programs. C) Network interfaces and storage devices. D) Peripheral devices and software applications. Show Answer Correct Answer: B) Hardware, system programs, and application programs. 23. This user interface is user friendly; anyone can use it. A) GUI. B) CLI. C) All the above. D) None of the above. Show Answer Correct Answer: A) GUI. 24. What is an Operating System? A) Physical parts of a computer. B) A keyboard. C) A videogame. D) Software that let a user work with a computer. Show Answer Correct Answer: D) Software that let a user work with a computer. 25. What is the command to list hidden files & directory? A) Ls-l. B) Ls-a. C) Ls. D) None of these. Show Answer Correct Answer: B) Ls-a. ← 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 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 10Class 7 Computer Science Chapter 2 Operating System Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books