This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. O.S Is an interface between the user and ..... A) Processor. B) Software. C) Hardware. D) None of the above. Show Answer Correct Answer: C) Hardware. 2. A long horizontal bar at the bottom of the screen. A) Bar menu. B) Power. C) Cortana. D) Taskbar. Show Answer Correct Answer: D) Taskbar. 3. To remove all permissions from others which of the following command is correct? A) Chmod 770 filename. B) Chmod 007 filename. C) Chmod 707 filename. D) None of the options. Show Answer Correct Answer: A) Chmod 770 filename. 4. What is used to store a group of files? A) Operating system. B) Folder. C) Icons. D) File. Show Answer Correct Answer: B) Folder. 5. What is Process Management in an operating system? A) Process Management in an operating system involves managing the execution of processes, including scheduling, resource allocation, and inter-process communication. B) Process Management involves managing hardware components only. C) Process Management does not include inter-process communication. D) Process Management is not related to resource allocation. Show Answer Correct Answer: A) Process Management in an operating system involves managing the execution of processes, including scheduling, resource allocation, and inter-process communication. 6. The small pictures on the desktop. A) Folder. B) Icons. C) File. D) Hardware. Show Answer Correct Answer: B) Icons. 7. A type of operating system that allows many people to use the same computer at the same time or at different times. A) Single-use. B) Icons. C) Desktop. D) Multi-user. Show Answer Correct Answer: D) Multi-user. 8. Environment for execution of a program is provided by A) Inputs. B) Outputs. C) Operating System. D) Memory. Show Answer Correct Answer: C) Operating System. 9. The computer understands any languages such as English, Malay and Chinese. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. System goals from using operating system is the O.S should be ..... A) Easy to design. B) Difficult to detect errors. C) Cannot reliable in it. D) None of the above. Show Answer Correct Answer: A) Easy to design. 11. Which of the following systems allow only one process at a single instance? A) Uni-processing system. B) Uni-programming system. C) Uni-tasking. D) All of the above. Show Answer Correct Answer: A) Uni-processing system. 12. A(n) ..... is the most important software that runs on a computer. A) Operating System. B) Windows. C) Anti virus. D) IOS. Show Answer Correct Answer: A) Operating System. 13. Interrupt transfers control to the interrupt service routine generally, through the ..... , which contains the addresses of all the service routines A) Bootstrap program. B) OS. C) Interrupt vector. D) Control program. Show Answer Correct Answer: C) Interrupt vector. 14. Which one of the following errors will be handle by the operating system? A) Power failure. B) Lack of paper in printer. C) Connection failure in the network. D) All of the mentioned. Show Answer Correct Answer: D) All of the mentioned. 15. Program which acts as a boundary between a computer user and the computer itself A) Software update. B) Operating system. C) Network. D) Hardware. Show Answer Correct Answer: B) Operating system. 16. An ..... is small labelled picture on the desktop. A) Files. B) Folders. C) Icons. D) None of the above. Show Answer Correct Answer: C) Icons. 17. What is the role of an operating system in managing device drivers? A) To provide antivirus protection. B) To install and manage drivers for peripheral devices. C) To update software automatically. D) To enhance graphics performance. Show Answer Correct Answer: B) To install and manage drivers for peripheral devices. 18. Which operating system is the successor to Windows Phone 8.1 and is no longer available in the market as of December 10, 2019? A) Windows 10 Mobile. B) Catalina macOS. C) Android Q. D) IOS 13. Show Answer Correct Answer: A) Windows 10 Mobile. 19. Which interface is the most popularly used A) GUI. B) CLI. C) WHICH. D) None of the above. Show Answer Correct Answer: A) GUI. 20. Mode bit 0 A) Kernel Mode. B) User Mode. C) All the above. D) None of the above. Show Answer Correct Answer: A) Kernel Mode. 21. What is the keyboard shortcut to run? A) Win + R. B) Ctrl + R. C) ALT + R. D) Shift + R. Show Answer Correct Answer: A) Win + R. 22. What does SDK stand for? A) Software Design Kit. B) Specific Developed Keys. C) Software Development Kit. D) Stand-alone Desk Kit. Show Answer Correct Answer: C) Software Development Kit. 23. Hard disk, CD, DVD, USB Flashdisk, Micro SD is a computer hardware that functions as ..... A) The processor's. B) Storage media. C) Output device. D) Input device. Show Answer Correct Answer: B) Storage media. 24. What do we get at the bottom of the launcher? A) System menu. B) Show Application. C) Top bar. D) None of the above. Show Answer Correct Answer: B) Show Application. 25. The ..... area contains the clock and program icons. A) Taskbar. B) Notification. C) All the above. D) None of the above. Show Answer Correct Answer: B) Notification. ← 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