This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 26 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What year was unix created? A) 1780. B) 1969. C) 1945. D) 2000. Show Answer Correct Answer: B) 1969. 2. Which among the following is responsible for finding and loading the operating system into RAM? A) BIOS. B) But. C) Bootstrap Loader. D) CMOS. Show Answer Correct Answer: C) Bootstrap Loader. 3. Name the blue bar that runs at the bottom of the Desktop. A) Control Bar. B) Taskbar. C) Start Bar. D) None of the above. Show Answer Correct Answer: B) Taskbar. 4. The process of transferring files from a computer on the Internet to your computer is called A) Downloading. B) FTP. C) Uploading. D) JPEG. Show Answer Correct Answer: A) Downloading. 5. In Object Based Architecture, how do objects communicate? A) Through method calls. B) By using shared global variables. C) By sending emails to each other. D) Through direct memory access. Show Answer Correct Answer: A) Through method calls. 6. Operating System provide service like ..... A) Processes Management. B) Memory Management. C) System access. D) All mentioned above. Show Answer Correct Answer: D) All mentioned above. 7. Which is the most common examples of GUI A) MAC OS. B) Symbian. C) Windows. D) Linux. Show Answer Correct Answer: C) Windows. 8. Which part of the operating system will allocate memory to applications to allow more than one piece of software to be run at once? A) Memory management. B) File and disk management. C) User management. D) User interface. Show Answer Correct Answer: A) Memory management. 9. A role of the operating system that requires users to log in with their credentials before accessing sensitive information on the computer. A) Windows Registry. B) Windows Update. C) Access Control/Protection. D) Windows Settings App. Show Answer Correct Answer: C) Access Control/Protection. 10. Which of these is an advantage to using a command-line interface over a GUI? A) More interactive. B) Easier to use. C) Less resource heavy. D) None of the above. Show Answer Correct Answer: C) Less resource heavy. 11. ..... is the most important software that runs on a computer. A) Operating system. B) Ms Excel. C) MS Word. D) CPU. Show Answer Correct Answer: A) Operating system. 12. Recycle Bin to Windows is what Trash Can is to ..... A) Mac. B) Linux. C) IBM. D) None of the above. Show Answer Correct Answer: A) Mac. 13. Which operating system was introduced in 1984 A) Unix. B) Macintosh. C) Linux. D) Microsoft Windows. Show Answer Correct Answer: D) Microsoft Windows. 14. This software gets automatically loaded into the computer's memory when the computer is switched on. A) Operating System. B) Desktop. C) Taskbar. D) None of these. Show Answer Correct Answer: A) Operating System. 15. Which of the following is an example of resource management by an operating system? A) Displaying a desktop wallpaper. B) Managing access to a network printer. C) Running a web browser. D) Playing a video file. Show Answer Correct Answer: B) Managing access to a network printer. 16. What is the benefit of multithreading? A) Better memory management. B) Improved process isolation. C) Increased CPU utilization. D) Reduced context switching. Show Answer Correct Answer: C) Increased CPU utilization. 17. A server ..... request. A) Hide. B) Controls. C) Request. D) Responds. Show Answer Correct Answer: D) Responds. 18. What else is a command interpreter called? A) Prompt. B) Shell. C) Command. D) Kernal. Show Answer Correct Answer: B) Shell. 19. Where can you find the recycle bin? A) In the system settings. B) Within the file explorer. C) On the desktop (Windows) or in the Dock (macOS) as 'Trash'. D) On the taskbar as 'Recycle'. Show Answer Correct Answer: C) On the desktop (Windows) or in the Dock (macOS) as 'Trash'. 20. This is a type of system software A) Disk Cleaner. B) Notepad. C) Backup and restore. D) Videolan. Show Answer Correct Answer: A) Disk Cleaner. 21. The start button is Present at the bottom left corner of the Taskbar A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Which type of screen relies on the electrical properties of the human body to detect where a display was tapped? A) Resistive Touchscreen. B) Infrared. C) SAW. D) Capacitive Touchscreen. Show Answer Correct Answer: D) Capacitive Touchscreen. 23. One of the capabilities of operating systems:A program can be broken into smaller parts that are loaded as needed by the operating system. This feature allows different parts of a program to be run at the same time. A) Multi-tasking. B) Multi-threading. C) Multi-user. D) Multiprocessing. Show Answer Correct Answer: B) Multi-threading. 24. Which of the following functions does the operating system not provide? A) Monitors health and functionality. B) Folder and file structure. C) Interface between user and hardware. D) Coordinate tasks between application software. Show Answer Correct Answer: D) Coordinate tasks between application software. 25. A role of the operating system that helps keep storage devices well organized and maintained. A) Disk Management. B) Service Management. C) Device Management. D) Application Management. Show Answer Correct Answer: A) Disk Management. 26. What happens to a process in a 'Suspended' state? A) It is temporarily removed from the ready queue. B) It is actively using CPU resources. C) It is waiting for I/O operations to complete. D) It has completed its execution. Show Answer Correct Answer: A) It is temporarily removed from the ready queue. 27. Operating Systems need to manage System ..... ? (1-3) A) Resources. B) Electricity. C) Objectives. D) Restores. Show Answer Correct Answer: A) Resources. 28. An advantage of a private home network is that it is safer than a public network. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 29. The operating system is responsible for the following activities in connection with ..... :* Keeping track of which parts of memory are currently being used and which process is using them* Allocating and deallocating memory space as needed* Deciding which processes (or parts of processes) and data to move into and out of memory A) File-System Management. B) Memory Management. C) Mass Strorage Management. D) Process Management. Show Answer Correct Answer: B) Memory Management. 30. The smallest unit of data in a computer is A) Bit. B) Nibble. C) KB. D) Byte. Show Answer Correct Answer: A) Bit. 31. Which can the main memory take in it? A) Operating system. B) User processes. C) Both. D) Neither. Show Answer Correct Answer: C) Both. 32. What is the word that means more then one user can access the computer at the same time? A) Multi-user. B) Multi-core. C) Multi facet. D) Multiprocessing. Show Answer Correct Answer: A) Multi-user. 33. What does FCFS (First-Come, First-Served) scheduling prioritize? A) The shortest jobs are executed first. B) The first job submitted is executed first. C) The job with the longest waiting time is executed first. D) The job with the highest priority is executed first. Show Answer Correct Answer: B) The first job submitted is executed first. 34. A folder can contain A) Folders. B) Files. C) Both folders and files. D) None of these. Show Answer Correct Answer: C) Both folders and files. 35. The finite circular buffer is used to implement ..... Strategy A) FIFO. B) FILO. C) LIFO. D) None. Show Answer Correct Answer: A) FIFO. 36. Large non-volatile storage A) Multiprocessor Systems. B) Main memory. C) Caching. D) Secondary memory. Show Answer Correct Answer: D) Secondary memory. 37. This button helps you to close an application A) Minimise. B) Desktop. C) Close button. D) None of the above. Show Answer Correct Answer: C) Close button. 38. The processor has only one program at a time. A) Multi-user OS. B) Single-user OS. C) All the above. D) None of the above. Show Answer Correct Answer: B) Single-user OS. 39. A ..... operating system allows for multiple users to use the same computer at the same time and/or different times. A) Singleuser. B) Multiuser. C) All the above. D) None of the above. Show Answer Correct Answer: B) Multiuser. 40. The Close button is present at the left corner of the taskbar. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 41. Which page replacement algorithm is efficient? A) Having more average waiting time. B) Having less turn around time. C) Having less average waiting time. D) Having more turn around time. Show Answer Correct Answer: C) Having less average waiting time. 42. Provides images that users can use to find and control computer processes. A) Kernel. B) CD-ROM. C) Graphical user interface (GUI). D) Apps. Show Answer Correct Answer: C) Graphical user interface (GUI). 43. What is the name of the signal to the processor indicating a process needs attention? A) Interrupt. B) Hand up. C) Boot file. D) Itch. Show Answer Correct Answer: A) Interrupt. 44. Which of the following includes the type of operating system ..... A) Mac. Os, Linux,. B) DOS, Paint, Windows. C) Windows, Notepad, LINUX. D) UNIX, DOS, Ms. Office. Show Answer Correct Answer: A) Mac. Os, Linux,. 45. Which operating system dominates 70% of the mobile users worldwide, according to netmarketshare.com? A) Windows 10 Mobile. B) Catalina macOS. C) Android. D) IOS 13. Show Answer Correct Answer: C) Android. 46. Which of the following are CPU scheduling algorithms? A) Priority Scheduling. B) Round Robin. C) Shortest job first. D) All of these. Show Answer Correct Answer: D) All of these. 47. What are the strips of various tools in Windows? A) Title Bar. B) Bar menu. C) Status Bar. D) Tool Bar. Show Answer Correct Answer: D) Tool Bar. 48. CHARACTER USER INTERFACE IS ALSO KNOWN AS A) GRAPHICAL USER INTERFACE. B) COMMAND LINE INTERFACE. C) COMPUTING LINEAR INTERFACE. D) COMPUTER LINE INTERACTION. Show Answer Correct Answer: B) COMMAND LINE INTERFACE. 49. The working environment provided by the operating system after it gets loaded on the computer is called its A) Booting. B) Interface. C) All the above. D) None of the above. Show Answer Correct Answer: B) Interface. 50. ..... programs that control or maintain the operations of the computer and its devices. A) Software. B) Utility program. C) System Software. D) Application software. Show Answer Correct Answer: C) System Software. 51. A type of NOS designed especially for small to medial type LAN A) Network Operating System. B) Peer to Peer. C) Client-Server. D) Operating System. Show Answer Correct Answer: B) Peer to Peer. 52. A feature of the Windows operating system that keeps the system up to date. A) Windows Settings App. B) Windows Registry. C) Windows Update. D) Registry Editor. Show Answer Correct Answer: C) Windows Update. 53. ..... is request to the operating system to allow user to wait for I/O completion A) System call. B) Control program. C) Bootstrap program. D) OS. Show Answer Correct Answer: A) System call. 54. What is a driver in a computer? A) The person who drives small cars on the motherboard. B) A program that lets the operating system know about external components (like a microphone). C) It is a computer component for controlling the temperature of a computer. D) The responsible for showing you the contents on the internet. Show Answer Correct Answer: B) A program that lets the operating system know about external components (like a microphone). 55. Which is not in the PCB A) Processor size. B) Program counter. C) Process state. D) Resources needed. Show Answer Correct Answer: A) Processor size. 56. Windows update is a A) Service which all organizations offer. B) An update service provided by Microsoft, which patches just the Windows Operating System. C) An update service provided by Microsoft, which patches Windows, and many of the critical drivers, and applications which run on the operating system. D) Is an update service for Linux operating systems. Show Answer Correct Answer: C) An update service provided by Microsoft, which patches Windows, and many of the critical drivers, and applications which run on the operating system. 57. FULL FORM OF WWW A) WORLD WEB WIDE. B) WIDE WORLD WEB. C) WORLD WIDE WEB. D) WEB WIDE WORLD. Show Answer Correct Answer: C) WORLD WIDE WEB. 58. THE SHORTCUT MENU IS ALSO KNOWN AS A) FILE MENU. B) CONTEXT MENU. C) SMART MENU. D) None of the above. Show Answer Correct Answer: B) CONTEXT MENU. 59. Which of the following statements is true regarding the FIFO scheduling algorithm? A) It can lead to the convoy effect. B) It is a preemptive scheduling algorithm. C) It is suitable for real-time systems. D) It is optimal for minimizing average waiting time. Show Answer Correct Answer: A) It can lead to the convoy effect. 60. No visual clues in this interface to tell you what to do next. A) GUI. B) CLI. C) All the above. D) None of the above. Show Answer Correct Answer: B) CLI. ← PreviousNext →Related QuizzesComputer Science QuizzesClass 7 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books