This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where is the operating system placed in the memory? A) Either low or high memory (depending on the location of interrupt vector). B) In the low memory. C) In the high memory. D) None of the mentioned. Show Answer Correct Answer: A) Either low or high memory (depending on the location of interrupt vector). 2. The screen that appears after loading the Windows Operating system. A) Icons. B) Desktop. C) File. D) Folder. Show Answer Correct Answer: B) Desktop. 3. The CPU is the ..... of the computer. A) Knee. B) Brain. C) Body. D) Heart. Show Answer Correct Answer: B) Brain. 4. Which of the following is an Operating System? A) Word. B) Apple. C) Windows. D) Memory. Show Answer Correct Answer: C) Windows. 5. To recover from failures in the network operations ..... information may be maintained. A) Operating system. B) Ip address. C) Stateless. D) State. Show Answer Correct Answer: D) State. 6. Increased throughput, economy of scale, increased reliability A) Timesharing. B) Multiprogramming. C) Multiprocessor Systems. D) Caching. Show Answer Correct Answer: C) Multiprocessor Systems. 7. A tool for multi tasking is: A) Task manger. B) Chrome. C) Excel. D) Windows. Show Answer Correct Answer: A) Task manger. 8. What does a file extension tell your computer? A) Which file name to display. B) What type of program to open. C) Where a program is saved. D) When the file was created. Show Answer Correct Answer: B) What type of program to open. 9. 2) What type of scheduling is round-robin scheduling? A) Linear data scheduling. B) Non-linear data scheduling. C) Preemptive scheduling. D) Non-preemptive scheduling. Show Answer Correct Answer: C) Preemptive scheduling. 10. Semaphore is a/an ..... to solve the critical section problem. A) Hardware for a system. B) Special program for a system. C) Integer variable. D) None of the mentioned. Show Answer Correct Answer: C) Integer variable. 11. In which os we can access files which are not present in the same system? A) Batch os. B) Network os. C) Distributed os. D) Real time. Show Answer Correct Answer: C) Distributed os. 12. A user interface made up of a command prompt is called: A) Graphical User Interface. B) Super User Interface. C) Command Line Interface. D) Command User Interface. Show Answer Correct Answer: C) Command Line Interface. 13. An acronym for Compact Disc Read-Only Memory. A) RAM. B) OP. C) CD-ROM. D) NASA. Show Answer Correct Answer: C) CD-ROM. 14. RAM is a term used to describe? A) A woolly animal with horns that will knock you over if you let it. B) Really Awesome Memory. C) Random Access Memory. D) Very RAndom Memory. Show Answer Correct Answer: C) Random Access Memory. 15. The following is not a type of Systems Software A) Device Drivers. B) Utility Programs. C) Applications. D) Operating Systems. Show Answer Correct Answer: C) Applications. 16. Which type of user interface is most likely to be used in automated teller machines (ATMs)? A) Graphical User Interface (GUI). B) Command Line Interface (CLI). C) Menu-driven Interface (MDI). D) Voice User Interface (VUI). Show Answer Correct Answer: C) Menu-driven Interface (MDI). 17. Why might an operating system include a disk defragmentation utility? A) To change the size of partitions on the disk. B) To repair damaged sectors on a disk. C) To reorganise small amounts of unused disk space. D) Its saves storage space on disk. Show Answer Correct Answer: C) To reorganise small amounts of unused disk space. 18. Main memory is a non-volatile storage device. When the computer made turn off everything stored in RAM will be erased automatically. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. We have to click the ..... button before selecting the Shut Down option. A) Start. B) Any button. C) Taskbar. D) File. Show Answer Correct Answer: A) Start. 20. The smallest type of network is ..... A) SAN. B) MAN. C) WAN. D) PAN. Show Answer Correct Answer: D) PAN. 21. The ..... is the process of dividing the disk into tracks and sectors. A) Tracking. B) Formatting. C) Crashing. D) Allotting. Show Answer Correct Answer: B) Formatting. 22. What is problem associated with FCFS cpu scheduling algo? A) Convoy effect. B) Belady's anomaly. C) Gran effect. D) None. Show Answer Correct Answer: A) Convoy effect. 23. What is the Shortcut key to close a currently active window? A) ALT+F4. B) Ctrl+ Z. C) Shift+ C. D) Shift +F6. Show Answer Correct Answer: A) ALT+F4. 24. Name the OS for mobile devices. A) LINUX. B) OF THE. C) ANDROID. D) None of the above. Show Answer Correct Answer: C) ANDROID. 25. The long horizontal bar at the bottom of the screen. A) Desktop. B) Taskbar. C) Start button. D) Icons. Show Answer Correct Answer: B) Taskbar. ← 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 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