This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. O.S Make the computer system convenient to use A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. Handles the basic input and output of the computer A) BIOS. B) Devices Drivers. C) Virtual Machine. D) Intermediate Code. Show Answer Correct Answer: A) BIOS. 3. A software program that is a bridge of communication from software and hardware and helps users operate their computers? A) Digital system. B) Operating system. C) Information Systems. D) Sistem Input output. Show Answer Correct Answer: B) Operating system. 4. A program in execution is called A) Process. B) Instruction. C) Procedure. D) Function. Show Answer Correct Answer: A) Process. 5. Which of these is available on the desktop? A) Icons. B) Task bar. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 6. CPU switches jobs so frequently that each user can interact with each job while it is running (interactive computing) A) Multiprogramming. B) Caching. C) Timesharing. D) Multiprocessor Systems. Show Answer Correct Answer: C) Timesharing. 7. When ..... is clicked, it minimizes all open window and shows the Desktop. A) Show desktop button. B) Notifications Area. C) Quick Launch. D) Start button. Show Answer Correct Answer: A) Show desktop button. 8. Write True or False for the following:Deleted Files or folders are stored in the recycle bin. A) True. B) False. C) No comments. D) None of the above. Show Answer Correct Answer: A) True. 9. Voice-controlled virtual assistant in Windows 10 A) Crotana box. B) Task bar. C) Start button. D) None of these. Show Answer Correct Answer: A) Crotana box. 10. Why semaphore is used? A) Synchronization. B) To solve critical problem. C) To do activity. D) None of the above. Show Answer Correct Answer: B) To solve critical problem. 11. What is the primary benefit of using threads in an operating system? A) They allow for faster processing of I/O operations. B) They allow for easier management of system resources. C) They allow for better isolation between different parts of a program. D) They allow for parallel processing, which can improve overall system performance. Show Answer Correct Answer: B) They allow for easier management of system resources. 12. The operating system used by students in the computer rooms at Rosebank college Durban is ..... A) Windows 8. B) Windows 7. C) Windows 10. D) None of the above. Show Answer Correct Answer: C) Windows 10. 13. What is a line of instruction called? A) Code. B) Program. C) Software. D) None of the above. Show Answer Correct Answer: A) Code. 14. Which is the Operating system developed by Apple company? A) Windows. B) Android. C) MAC OS. D) None of these. Show Answer Correct Answer: C) MAC OS. 15. What happens when you click on 'My Computer'? A) The screen goes blank for a moment. B) A window opens showing drives and folders. C) A message appears saying 'Access Denied'. D) A pop-up asks for a password. Show Answer Correct Answer: B) A window opens showing drives and folders. 16. Round robin scheduling falls under the category of ..... A) Non-preemptive scheduling. B) Preemptive scheduling. C) All of the mentioned. D) None of the mentioned. Show Answer Correct Answer: B) Preemptive scheduling. 17. After Deleting files from computer where they go and settle? A) Drive. B) Documents. C) Recycle bin. D) Folder. Show Answer Correct Answer: C) Recycle bin. 18. Whenever we switch on our computer, the first thing it loads is the Operating System. This process of preparing system for use is called A) Interface. B) Booting. C) All the above. D) None of the above. Show Answer Correct Answer: B) Booting. 19. What is the name of Windows 10 personal assistant? A) Siri. B) Cortana. C) Crown. D) None of the above. Show Answer Correct Answer: B) Cortana. 20. Why do application programs require an operating system to function effectively? A) To optimize system performance. B) To provide common services for computer programs. C) To manage computer hardware and software resources. D) To enhance device security. Show Answer Correct Answer: C) To manage computer hardware and software resources. 21. If a page is accessed that is not present in RAM, the processor issues a: A) Interrupt. B) Page fault interrupt. C) Page frame interrupt. D) Block fault interrupt. Show Answer Correct Answer: B) Page fault interrupt. 22. Multi tasking is the major activity of which service A) Security. B) File managment. C) Program Execuation. D) Resource managment. Show Answer Correct Answer: D) Resource managment. 23. Most modern OS integrate what into the kernel? A) GUI. B) Hardware. C) Processes. D) Cache. Show Answer Correct Answer: A) GUI. 24. An operating system where input acts without delay within a guaranteed amount of time A) Distributed OS. B) Real-Time OS. C) Multi-tasking OS. D) Multi-user OS. Show Answer Correct Answer: B) Real-Time OS. 25. The link between two processes P and Q to send and receive messages is called ..... A) Communication link. B) Message-passing link. C) Synchronization link. D) All of the mentioned. Show Answer Correct Answer: A) Communication link. ← 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