This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 41 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 41 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a deadlock in an operating system? A) A state where a process is waiting for a resource held by another process, creating a circular chain of dependencies. B) A state where a process has no work to do and waits indefinitely. C) A situation where multiple processes are competing for CPU time. D) A state where a process is executing in kernel mode. Show Answer Correct Answer: A) A state where a process is waiting for a resource held by another process, creating a circular chain of dependencies. 2. My Computer was introduced from A) Windows 3.1. B) Windows 3.11. C) Windows 95. D) Windows 98. Show Answer Correct Answer: D) Windows 98. 3. Earlier computer systems utilized Command Line Interface to tell a computer what to do, which interface does the computer utilize now? A) Command Line Interface. B) Touch User Interface. C) Natural Language Interface. D) Graphical User Interface. Show Answer Correct Answer: D) Graphical User Interface. 4. Deleted documents stay in the recycle bin until you ..... it A) Wash. B) Empty. C) Clean. D) None of the above. Show Answer Correct Answer: B) Empty. 5. To access the services of operating system, the interface is provided by the A) System calls. B) API. C) Library. D) Assembly Instruction. Show Answer Correct Answer: A) System calls. 6. What is the main role of the "shell" in an operating system like MS-DOS? A) To provide hardware support. B) To manage system resources. C) To provide a command-line interface for the user. D) To perform background calculations. Show Answer Correct Answer: C) To provide a command-line interface for the user. 7. Thread is also known as ..... A) Heavy Weight Process. B) Light Weight Process. C) Process. D) None. Show Answer Correct Answer: B) Light Weight Process. 8. Which of the following is a method of dynamic memory allocation? A) Best-fit. B) All of the above. C) First-fit. D) Worst-fit. Show Answer Correct Answer: B) All of the above. 9. The programmatic way in which a computer program/user application requests a service from the kernel of the operating system on which it is executed. A) BIOS. B) System Call. C) Kernel. D) Shell. Show Answer Correct Answer: B) System Call. 10. Which of the following is an example of software? A) CPU. B) RAM. C) Web browser. D) Hard drive. Show Answer Correct Answer: C) Web browser. 11. A scheduling algorithm that deals with each user or task to be processed in turn. A) Round Robin. B) First Come First Serve. C) Multi-Level Feedback Queue. D) Shortest Job First. Show Answer Correct Answer: A) Round Robin. 12. What is the maximum length of the filename in DOS? A) 4. B) 5. C) 8. D) 12. Show Answer Correct Answer: C) 8. 13. Where is the BIOS? A) It is inside a fan on a the computer. B) It is in a USB drive that can be connected to the computer. C) It is in a chip on the motherboard. D) It is inside a black box that can be added to the computer. Show Answer Correct Answer: C) It is in a chip on the motherboard. 14. The software that lets you interact with your computer. A) IPO cycle. B) Lock screen. C) Operating system. D) Files and folder. Show Answer Correct Answer: C) Operating system. 15. The operating system is responsible for the following activities in connection with ..... :* Mounting and unmounting* Free-space management* Storage allocation* Disk scheduling* Partitioning* Protection A) Memory Management. B) Process Management. C) File-System Management. D) Mass Strorage Management. Show Answer Correct Answer: D) Mass Strorage Management. 16. SYSTEM SOFTWARE CAN BE CLASSIFIED INTO HOW MANY CATEGORIES A) 3. B) 2. C) 4. D) 5. Show Answer Correct Answer: C) 4. 17. It is used to enter data into the computer. A) Keyboard. B) Monitor. C) Speaker. D) None of the above. Show Answer Correct Answer: A) Keyboard. 18. Which of these is not a function of an operating system A) Provide a user interface. B) Manage peripherals. C) Manage memory. D) Time management. Show Answer Correct Answer: D) Time management. 19. How many Desktop Operating system versions/editions are there? A) Only 1. B) 2. C) 3. D) Many. Show Answer Correct Answer: D) Many. 20. Notification area is situated on the left side of the taskbar. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. What is the kernel? A) The program that loads the operating system. B) The software that handles how much power the computer will use for each program. C) The program that lets you open the apps on your computer. D) It is a game which you can play on your computer. Show Answer Correct Answer: B) The software that handles how much power the computer will use for each program. 22. There are two main types of semaphores A) Counting semaphore. B) Binary semaphore. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 23. A COMPUTER INTERPRETS THE INSTRUCTIONS GIVEN BY A WITH THE HELP OF AN A) UTILITY SOFTWARE. B) DEVICE DRIVER. C) OPERATING SYSTEM. D) LANGUAGE PROCESSOR. Show Answer Correct Answer: C) OPERATING SYSTEM. 24. Choose the Microsoft Operating System A) Windows. B) Android. C) Linux. D) MAC OS X. Show Answer Correct Answer: A) Windows. 25. Mac os is an example of A) Real time. B) Network os. C) Distributed os. D) Batch os. Show Answer Correct Answer: B) Network os. ← 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