This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These are programs that are used to create and display information in form of slide show. A) DOCUMENT PRODUCTION SOFTWARE. B) SPREADSHEET SOFTWARE. C) PRESENTATION SOFTWARE. D) DATABASE MANAGEMENT SOFTWARE. Show Answer Correct Answer: C) PRESENTATION SOFTWARE. 2. USER INTERFACE CAN BE DEVIDED INTO A) 2. B) 3. C) 1. D) 4. Show Answer Correct Answer: A) 2. 3. Which feature would you use to change your account password? A) File System. B) Task Manager. C) Settings. D) Control Panel. Show Answer Correct Answer: C) Settings. 4. You can login into a remote computer through A) Telnet. B) HTTP. C) FTP. D) TCP. Show Answer Correct Answer: A) Telnet. 5. Which of the following is a type of a program or software? A) Application. B) Desktop. C) Taskbar. D) None of the above. Show Answer Correct Answer: A) Application. 6. Where is an operating system installed? A) Hard Disk. B) CPU. C) RAM. D) ROM. Show Answer Correct Answer: A) Hard Disk. 7. Examples of CUI A) MS Dos. B) Symbian. C) Ubuntu. D) MacOS. Show Answer Correct Answer: A) MS Dos. 8. Consider the virtual page reference string 1, 2, 3, 2, 4, 1, 3, 2, 4, 1 On a demand paged virtual memory system running on a computer system that main memory size of 3 pages frames which are initially empty. Let LRU, FIFO and OPTIMAL denote the number of page faults under the corresponding page replacements policy. Then A) OPTIMAL < LRU < FIFO. B) OPTIMAL < FIFO < LRU. C) OPTIMAL = LRU. D) OPTIMAL = FIFO. Show Answer Correct Answer: B) OPTIMAL < FIFO < LRU. 9. Hardware and software cannot communicate without the Operating System A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. What does the term 'internal fragmentation' refer to? A) Unused memory within allocated blocks. B) Memory that cannot be allocated due to fragmentation. C) Excessive memory allocation for processes. D) Memory that is inaccessible to the operating system. Show Answer Correct Answer: A) Unused memory within allocated blocks. 11. What is the role of an operating system in managing shared resources? A) To provide antivirus protection. B) To queue requests for shared resources. C) To update software automatically. D) To enhance graphics performance. Show Answer Correct Answer: B) To queue requests for shared resources. 12. Wasting of memory within a partition, due to a difference in size of a partition, due to a difference in size of a partition and of the object resident within it, is called- A) External fragmentation. B) Internal fragmentation. C) Compaction. D) Coalescing. Show Answer Correct Answer: B) Internal fragmentation. 13. The program in our operating system always deals with what address? A) Logical address. B) Virtual address. C) Both. D) Neither. Show Answer Correct Answer: C) Both. 14. The ..... can be seen at the bottom of the screen as a long horizontal bar. A) Start bar. B) Taskbar. C) All the above. D) None of the above. Show Answer Correct Answer: B) Taskbar. 15. When files or folders are deleted from hard disk, Windows places them in ..... A) Task Bar. B) Recycle Bin. C) Start Menu. D) Control Panel. Show Answer Correct Answer: B) Recycle Bin. 16. You can get a lot of free apps, games and songs by ..... A) Windows store. B) Icons. C) Desktop. D) None of the above. Show Answer Correct Answer: A) Windows store. 17. Which operating system are iOS applications designed in? A) Windows 8.1/10. B) Unix. C) Mac OSX. D) Linux. Show Answer Correct Answer: C) Mac OSX. 18. Which page replacement algo is associated with Beladys anomaly? A) LRU. B) MRU. C) FCFS. D) Optimal page replacement. Show Answer Correct Answer: C) FCFS. 19. Microsoft Office is an Operating System. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. What is the main function of a page replacement algorithm? A) To determine which page to remove from memory when a new page is needed. B) To allocate memory to processes. C) To manage disk storage. D) To optimize CPU scheduling. Show Answer Correct Answer: A) To determine which page to remove from memory when a new page is needed. 21. Diving processor time between processes so that they appear to multitask is known as: A) Time Slicing. B) Fish Slicing. C) Time waiting. D) Idle Time. Show Answer Correct Answer: A) Time Slicing. 22. What is the part of the OS that allows users to interact with the computer? A) File System. B) User Interface. C) Task Manager. D) Settings. Show Answer Correct Answer: B) User Interface. 23. FAT stands for A) File Allocation Table. B) Folder Allocation Table. C) Folder Allocation Transition. D) File Allocation Transition. Show Answer Correct Answer: A) File Allocation Table. 24. The binary semaphores Values is restricted to ..... A) Any value. B) 0 and 1. C) 0. D) 1. Show Answer Correct Answer: B) 0 and 1. 25. What's the relationship between computers and operating systems? A) Computers can function without operating systems. B) Operating systems are essential software that enable computers to function and interact with users. C) Operating systems are hardware components of computers. D) Operating systems are only used in smartphones, not computers. Show Answer Correct Answer: B) Operating systems are essential software that enable computers to function and interact with users. ← 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