This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is not a method to start an App? A) Using The Start menu. B) Using all apps List. C) Using Search Box. D) Using Ctrl key. Show Answer Correct Answer: D) Using Ctrl key. 2. What is the purpose of a Reference Monitor? A) To mediate all access requests between users and system resources. B) To enhance the graphical user interface. C) To manage hardware resources. D) To provide user training. Show Answer Correct Answer: A) To mediate all access requests between users and system resources. 3. Dos means A) Disk operating System. B) Dot O.S. C) Deep operating System. D) Distance o s. Show Answer Correct Answer: A) Disk operating System. 4. A highly specialised, often quite limited and cut down operating system design to fit inside a certain type of machine A) Distributed OS. B) Embedded OS. C) Multi-tasking OS. D) Multi-user OS. Show Answer Correct Answer: B) Embedded OS. 5. What is the primary goal of an operating system? A) To manage computer resources. B) To provide a user interface. C) To coordinate multiple programs. D) To respond to input immediately. Show Answer Correct Answer: A) To manage computer resources. 6. In a multi-threaded environment, what is the primary function of a mutex? A) To allow multiple threads to run simultaneously. B) To prevent race conditions. C) To manage memory allocation. D) To schedule threads for execution. Show Answer Correct Answer: B) To prevent race conditions. 7. Which section of process memory is made up of program code A) Heap. B) Stack. C) Text. D) Data. Show Answer Correct Answer: C) Text. 8. What is virtual memory A) When you can visualise a dream. B) When a section of primary memory is used as secondary. C) Cache. D) When a section of the hard disk is used as primary memory. Show Answer Correct Answer: D) When a section of the hard disk is used as primary memory. 9. Which of the following is the structural element of GUI? A) ICONS. B) POINTER. C) CURSOR. D) TEXT BOXES. Show Answer Correct Answer: A) ICONS. 10. What is the main goal of an operating system? A) Network Management. B) User Convenience. C) Hardware Control. D) Data Processing. Show Answer Correct Answer: B) User Convenience. 11. Logical extension of multiprogramming operating system is A) Time sharing. B) Multi-tasking. C) Single programing. D) Both time-sharing and multi-tasking. Show Answer Correct Answer: D) Both time-sharing and multi-tasking. 12. What does an operating system primarily allocate among computer resources? A) Data and information. B) Memory, processors, and devices. C) Network protocols and security features. D) Software applications and tools. Show Answer Correct Answer: B) Memory, processors, and devices. 13. A set of instructions given to the computer. A) Software. B) Hardware. C) Operating system. D) CPU. Show Answer Correct Answer: A) Software. 14. Which is NOT a function of Operating Systems? A) Booting the Computer. B) Networking. C) Streaming content. D) Device Management. Show Answer Correct Answer: C) Streaming content. 15. In the year 2040, is Windows still very popular among operating systems used in personal and professional environments? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Orders are processed in the sequence they arrive if ..... rule sequences the jobs. A) Earliest due date. B) Slack time remaining. C) First come, first served. D) Critical ratio. Show Answer Correct Answer: C) First come, first served. 17. Operating systems act as? A) An interface between the end user, and the computer hardware. B) A filing system. C) A bridge between networks. D) None of the above. Show Answer Correct Answer: A) An interface between the end user, and the computer hardware. 18. This type of interface is only really suitable for expert users. A) GUI. B) CLI. C) All the above. D) None of the above. Show Answer Correct Answer: B) CLI. 19. What is the main part of the operating system A) User interface. B) Kernel. C) System utilities. D) Device drivers. Show Answer Correct Answer: B) Kernel. 20. The operating system is not necessary for a computer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. Which of the following best describes the concept of 'thrashing' in memory management? A) Excessive swapping of pages in and out of memory. B) High CPU utilization with low memory usage. C) Efficient memory allocation. D) Low page fault rate. Show Answer Correct Answer: A) Excessive swapping of pages in and out of memory. 22. Which of the following is not a form of memory? A) Instruction cache. B) Instruction register. C) Instruction opcode. D) Translation lookaside buffer. Show Answer Correct Answer: C) Instruction opcode. 23. What feature in Word allows us to combine name and addresses with a template? A) Document formatting. B) Database management. C) Mail merge. D) Form letters. Show Answer Correct Answer: C) Mail merge. 24. In a futuristic world where advanced AI systems manage entire cities, what is the role of an Operating System? A) Not Sure!. B) Software that is required in order to run applications within the AI systems. C) A part in the central processing unit of the AI. D) A Software Company that develops AI. Show Answer Correct Answer: B) Software that is required in order to run applications within the AI systems. 25. To manage files and folders such as creating, opening folders, copying, changing names, deleting files or folders is a windows facility called ..... A) Windows Explorer. B) File. C) Folder. D) Desktop. Show Answer Correct Answer: A) Windows Explorer. ← 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