This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the purpose of managing virtual memory in an operating system? A) To encrypt data. B) To prevent overwriting of programs. C) To install applications. D) To manage device drivers. Show Answer Correct Answer: B) To prevent overwriting of programs. 2. Supervisor program loads ..... programs from disk storage only as needed. A) Resident. B) Non-resident. C) Reserved. D) None of the above. Show Answer Correct Answer: B) Non-resident. 3. What is the primary function of a cache in computer systems? A) To store data permanently. B) To speed up data access by storing frequently used data. C) To manage memory allocation. D) To handle input/output operations. Show Answer Correct Answer: B) To speed up data access by storing frequently used data. 4. ..... are the small pictures on the desktop. A) Start button. B) Icons. C) All the above. D) None of the above. Show Answer Correct Answer: B) Icons. 5. Which one is a desktop operating system version? A) Windows 10. B) Desktop. C) G.U.I. D) None of the above. Show Answer Correct Answer: A) Windows 10. 6. What is the primary function of resource management in an operating system? A) To manage user profiles. B) To allocate resources like CPU and memory to processes. C) To provide a graphical user interface. D) To handle network connections. Show Answer Correct Answer: B) To allocate resources like CPU and memory to processes. 7. A situation where several processes access and manipulate the same data concurrently and the outcome of the execution depends on the particular order in which access takes place is called ..... A) Data consistency. B) Race condition. C) Aging. D) Starvation. Show Answer Correct Answer: B) Race condition. 8. A resident program ..... A) Remains in memory. B) Remains in computer. C) Remains in CPU. D) Remains on the desktop. Show Answer Correct Answer: A) Remains in memory. 9. Name one popular network operating system and its features. A) Windows Server. B) Android-primarily used for mobile devices. C) Linux Mint-known for its user-friendly interface. D) Mac OS X-designed for Apple hardware only. Show Answer Correct Answer: A) Windows Server. 10. What is the main function of an operating system? A) Developing application programs. B) Managing computer hardware and software resources. C) Providing common services for computer programs. D) Optimizing system performance. Show Answer Correct Answer: B) Managing computer hardware and software resources. 11. Which os is used in air traffic control A) Distributed os. B) Batch os. C) Real time. D) Network os. Show Answer Correct Answer: C) Real time. 12. What is a program? A) A line of instruction. B) A list of instructions. C) A computer. D) None of the above. Show Answer Correct Answer: B) A list of instructions. 13. Consider the 3 processes, P1, P2 and P3 shown in the table.Process Arrival time Time Units Required P1 0 5 P2 1 7 P3 3 4The completion order of the 3 processes under the policies FCFS and RR2 (round robin scheduling with CPU quantum of 2 time units) are A) FCFS:P1, P2, P3 RR2:P1, P2, P3. B) FCFS:P1, P3, P2 RR2:P1, P3, P2. C) FCFS:P1, P2, P3 RR2:P1, P3, P2. D) FCFS:P1, P3, P2 RR2:P1, P2, P3. Show Answer Correct Answer: C) FCFS:P1, P2, P3 RR2:P1, P3, P2. 14. Which conditions must be satisfied to solve a critical section problem? A) Bounded Waiting. B) Progress. C) Mutual Exclusion. D) All of the above. Show Answer Correct Answer: D) All of the above. 15. Which is the first software that runs on a computer when it is switched on? A) I/O Controllers. B) BIOS. C) POST. D) MBR. Show Answer Correct Answer: B) BIOS. 16. Which of the following Windows dialog box features allows you to select several options? A) Drop-down lists. B) Radio buttons. C) Check boxes. D) Command buttons. Show Answer Correct Answer: C) Check boxes. 17. What defines a distributed system? A) A system that only serves one user at a time. B) A system that operates without any network connection. C) A collection of autonomous computers linked by a network. D) A single computer with multiple CPUs. Show Answer Correct Answer: C) A collection of autonomous computers linked by a network. 18. Security is provided through the server. A) ADVANTAGE. B) DISADVANTAGE. C) All the above. D) None of the above. Show Answer Correct Answer: A) ADVANTAGE. 19. Windows 7 and Windows Vista are examples of: A) IOS Phone. B) Android. C) Microsoft Windows. D) None of the above. Show Answer Correct Answer: C) Microsoft Windows. 20. Which type of User Interface is text-based and requires the user to write commands? A) Command Line Interface. B) Graphical User Interface. C) Menu Interface. D) No User Interface. Show Answer Correct Answer: A) Command Line Interface. 21. Which of the following is not a file system for a Linux operating system? A) GFS. B) NTFS. C) Extirpation. D) Ext4. Show Answer Correct Answer: B) NTFS. 22. The English Equivalent Term of "Mode" is A) Resource. B) Function. C) All the above. D) None of the above. Show Answer Correct Answer: B) Function. 23. A ..... is a picture, still are moving, that appears on the screen whenever the keyboard or mouse is not used for sometime. A) Screensaver. B) Screen boost. C) Big screen. D) None of the above. Show Answer Correct Answer: A) Screensaver. 24. PRESENTATION SOFTWARE:Example of these are Music Players, Video Players, and Games. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. Select an open source operating system A) Windows 10. B) IOS. C) Windows Phone. D) Ubuntu Linux. Show Answer Correct Answer: D) Ubuntu Linux. ← 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