This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the main function of the command interpreter? A) To get and execute the next user-specified command. B) To provide the interface between the API and application program. C) To handle the files in operating system. D) None of the mentioned. Show Answer Correct Answer: A) To get and execute the next user-specified command. 2. The locality of reference that stores current data or instruction that is being fetched into cache is known as: A) Spatial locality of reference. B) Temporal locality of reference. C) Cache reference. D) Cache hit. Show Answer Correct Answer: B) Temporal locality of reference. 3. Eight bits of data refers to A) Byte. B) Kilobits. C) Nibble. D) None of these. Show Answer Correct Answer: A) Byte. 4. 9 The two steps the operating system takes to use a disk to hold its files are ..... and ..... A) Caching & logical formatting. B) Logical formatting & swap space creation. C) Swap space creation & caching. D) Partitioning & logical formatting. Show Answer Correct Answer: D) Partitioning & logical formatting. 5. A computer cannot "boot" if it does not have the ..... A) Compiler. B) Loader. C) Operating system. D) Assemble. Show Answer Correct Answer: C) Operating system. 6. Which scheduling policy is best suited for time-sharing operating systems? A) Shortest Job First. B) Round Robin. C) FCFS. D) Elevator. Show Answer Correct Answer: D) Elevator. 7. How do you change a file name? A) Right-click on the file and choose 'Change'. B) Insert the file into the recycle bin. C) Open the file and change it. D) Create a new file by removing the file. Show Answer Correct Answer: A) Right-click on the file and choose 'Change'. 8. ..... HAS THE CAPABILITY TO PRIORITISE THE PROCESSES, MINIMISE THE EXECUTION TIME AND WORK INDEPENDENTLY WITH NO INTERDEPENDENCIES A) STACK. B) RTOS. C) LTOS. D) Ptos. Show Answer Correct Answer: B) RTOS. 9. The computer operating system interface is divided into two, what are that? A) Graphical User Interface & Command Line Interface. B) Grafical User Interface & Command Line Interface. C) Graphical User Interpreter & Command Line Interpreter. D) Graphical User Interface & Comand Line Interface. Show Answer Correct Answer: A) Graphical User Interface & Command Line Interface. 10. Which is the most widely used operating system? A) Blackberry. B) Linux. C) Windows. D) Ios. Show Answer Correct Answer: C) Windows. 11. The operating system used on Apple PCs. A) MacOS. B) IOS. C) Windows. D) Android. Show Answer Correct Answer: A) MacOS. 12. Which of the following is true about microkernel architecture? A) All OS services run in kernel space. B) It is less secure than monolithic kernels. C) Only essential components run in kernel space. D) Device drivers are embedded inside the kernel. Show Answer Correct Answer: C) Only essential components run in kernel space. 13. What is the tab that added to Windows 8? A) Chome Bars. B) Cherms Bars. C) Cream bars. D) Charms Bars. Show Answer Correct Answer: D) Charms Bars. 14. An ..... are small pictures that represent files, folders and programs. A) Icons. B) Folders. C) All the above. D) None of the above. Show Answer Correct Answer: A) Icons. 15. What is a shortcut on the desktop? A) A file that cannot be opened directly. B) An icon for quick access to files, folders or applications. C) A temporary storage space for removed files. D) A folder that incorporates all desktop items. Show Answer Correct Answer: B) An icon for quick access to files, folders or applications. 16. Operating systems allow you to interact with various devices A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. The following is not an operating system is ..... A) LINUX. B) Windows NT. C) Windows ME. D) Microsoft Access. Show Answer Correct Answer: D) Microsoft Access. 18. A computer is useless without the operating system? True/False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. It is a software code that reside in central core of OS. It has complete control over system. A) Kernel. B) System call. C) Boot loader. D) Bios. Show Answer Correct Answer: A) Kernel. 20. Why is it important to keep the operating system up to date? A) To impress your friends. B) To avoid buying a new one. C) To protect your computer form malware. D) Because it's the law. Show Answer Correct Answer: C) To protect your computer form malware. 21. What type of Software is needed to control the computer's hardware? A) Programming Software. B) Systems Software. C) Application Software. D) Bespoke Software. Show Answer Correct Answer: B) Systems Software. 22. Which option of the command 'cd' use the actual filesystem path for cd ..... and the value of pwd? A) -l. B) -L. C) -p. D) -P. Show Answer Correct Answer: D) -P. 23. To manage processor, memory and I/O device, we are need ..... A) Operating System. B) CPU. C) Inter process communication. D) None of the above. Show Answer Correct Answer: A) Operating System. 24. The ..... consists of all processes whose memory images are in the backing store or in memory and are ready to run. A) CPU. B) Secondary Storage. C) Both. D) Neither. Show Answer Correct Answer: D) Neither. 25. PYTHON IS DEVELOPED BY ..... ? A) CHARLES BABBAG. B) Godfried. C) Guido Van Rossum. D) None of the above. Show Answer Correct Answer: C) Guido Van Rossum. ← 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