This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which scheduling algorithm provides the highest average turnaround time? A) First-Come-First-Served (FCFS). B) Shortest Job Next (SJN). C) Round Robin (RR). D) Priority Scheduling. Show Answer Correct Answer: A) First-Come-First-Served (FCFS). 2. These are example of Server OS Except for A) Linux. B) OpenSolaris. C) Solaris. D) Microsoft Windows 10. Show Answer Correct Answer: D) Microsoft Windows 10. 3. Fill the space, wait(S)\{while (S<=0); ..... \} A) S++;. B) S ;. C) S . D) S;. Show Answer Correct Answer: B) S ;. 4. What language do operating systems use? A) English. B) Operators language. C) Binary Code. D) None of the above. Show Answer Correct Answer: C) Binary Code. 5. Which program brings them together? A) Microsoft Office. B) The operating system. C) Internet Browser. D) Binary. Show Answer Correct Answer: B) The operating system. 6. What is the primary function of an operating system? A) Optimizing system performance and enhancing device security. B) Managing computer hardware and software resources. C) Providing common services for computer programs. D) Developing application programs. Show Answer Correct Answer: B) Managing computer hardware and software resources. 7. What is the year of the First Generation of computer? A) 1971-Present. B) 1940-1956. C) 1956-1963. D) 1963-1971. Show Answer Correct Answer: B) 1940-1956. 8. What is the main purpose of a process control block (PCB)? A) To manage memory allocation. B) To store process state information. C) To handle I/O operations. D) To schedule processes. Show Answer Correct Answer: B) To store process state information. 9. The operating system is the program that lets you ..... with your computer. A) Communicate. B) Store. C) Hide. D) R. Show Answer Correct Answer: A) Communicate. 10. The ..... option arranges all the open windows from the top left corner of the screen to the bottom right in layers. A) Cascading windows. B) Multiple windows. C) Layered windows. D) None of the above. Show Answer Correct Answer: A) Cascading windows. 11. How do you change background pictures? A) Use the keyboard shortcut Ctrl + Alt + B to change the background. B) Open the control panel and choose the 'display' so that the background can be modified. C) Click on the taskbar and choose 'Settings' to change the picture. D) Right-click on the desktop, choose 'Personalize', then choose 'background' to change the picture. Show Answer Correct Answer: D) Right-click on the desktop, choose 'Personalize', then choose 'background' to change the picture. 12. Programs that perform specific tasks A) Operating system. B) Application software. C) Computer hardware. D) Output device Input device. Show Answer Correct Answer: B) Application software. 13. Which Operating System function enables access levels to be given? A) User Interface. B) Peripheral Management. C) User Management. D) File Management. Show Answer Correct Answer: C) User Management. 14. Computers can only understand the 0s and 1s. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. During an RPC call, the server successfully processes the request, but the response never reaches the client due to a network failure. How should the RPC system handle this situation? A) The client should assume the operation was successful. B) The server should re-send the response automatically. C) The RPC system should use an acknowledgment mechanism to confirm message delivery. D) The client should re-send the request blindly. Show Answer Correct Answer: C) The RPC system should use an acknowledgment mechanism to confirm message delivery. 16. What is the name of this operating system? A) Windows. B) Linux. C) MacOS. D) Android. Show Answer Correct Answer: B) Linux. 17. The operating system helps to manage files A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. MS Excel is a number processor included in the software ..... A) Utility device. B) Operating System. C) Application System. D) Programming language. E) Assembler. Show Answer Correct Answer: C) Application System. 19. A type of NOS wherein the network is controlled centrally A) Peer to Peer. B) Operating System. C) Client-Server. D) Network Operating System. Show Answer Correct Answer: C) Client-Server. 20. These are example of Mobile OS Except for A) IOS. B) Symbian OS. C) Linux OS. D) Android OS. Show Answer Correct Answer: C) Linux OS. 21. Which of the following is not an example of an OS for smartphone? A) IOS. B) Microsoft Windows. C) Android. D) None of the above. Show Answer Correct Answer: B) Microsoft Windows. 22. Which is the main operating system A) Mac. B) Windows. C) Ubuntu. D) None of the above. Show Answer Correct Answer: B) Windows. 23. Which key is required to open the commmand prompt in windows A) Windows R. B) Windows V. C) Windows E. D) Windows c. Show Answer Correct Answer: A) Windows R. 24. What is the function of a context switch in an operating system? A) To allocate memory to processes. B) To save the state of a currently running process. C) To terminate a process. D) To schedule a new process for execution. Show Answer Correct Answer: B) To save the state of a currently running process. 25. What is the primary purpose of an operating system? A) Running applications. B) Managing hardware resources. C) Providing a graphical user interface. D) Enabling network connectivity. Show Answer Correct Answer: B) Managing hardware resources. ← 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 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 10Class 7 Computer Science Chapter 2 Operating System Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books