This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following makes available its source code? A) Free Software. B) FLOSS. C) Freeware. D) OSS. Show Answer Correct Answer: D) OSS. 2. What is the purpose of an operating system's shell? A) To manage memory allocation. B) To manage user accounts and permissions. C) To provide a graphical user interface. D) To act as an interface for users to interact with the system through commands. Show Answer Correct Answer: D) To act as an interface for users to interact with the system through commands. 3. The sign-in options: A) Picture password. B) Password. C) PIN. D) All of them. Show Answer Correct Answer: D) All of them. 4. A type of interface which allow people to interact with windows, icons, menus and pointers A) Command Line Interface. B) Graphical User Interface. C) Natural Language Interface. D) None of the above. Show Answer Correct Answer: B) Graphical User Interface. 5. The shortcut menu is also called the context menu. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Which of these is an example of an operating system? A) Windows. B) Word. C) Paint. D) None of the above. Show Answer Correct Answer: A) Windows. 7. Classical problems of synchronization A) Dining philosopoher problem. B) Bounded buffer problem. C) Reader writer problem. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. The difference between linux and microsoft in the method of building an operating system A) GUI-based Microsoft. B) Linux Copperate. C) Microsoft is more familiar. D) Linux Based on Open Source. Show Answer Correct Answer: D) Linux Based on Open Source. 9. 1) What is the use of directory structure in the operating system? A) The directory structure is used to solve the problem of the network connection in OS. B) It is used to store folders and files hierarchically. C) It is used to store the program in file format. D) All of the these. Show Answer Correct Answer: B) It is used to store folders and files hierarchically. 10. What is the color of Windows XP Start button? A) Blue with green logo. B) Black with white logo. C) Red with yellow logo. D) Green with blue logo. Show Answer Correct Answer: A) Blue with green logo. 11. The ..... is the screen area of the monitor A) Taskbar. B) Desktop. C) Icons. D) Start Button. Show Answer Correct Answer: B) Desktop. 12. Which of the following is NOT a page replacement algorithm? A) Optimal Page Replacement. B) Shortest Job First (SJF). C) Least Recently Used (LRU). D) First-In-First-Out (FIFO). Show Answer Correct Answer: B) Shortest Job First (SJF). 13. Memory Management refers to managment of A) Primary. B) Secondary. C) All the above. D) None of the above. Show Answer Correct Answer: A) Primary. 14. Quantum time is used in A) Network. B) Batch. C) Real time. D) Time sharing. Show Answer Correct Answer: D) Time sharing. 15. Flowcharts can be used to plan out programs. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Used when sufficient immediate-access store is not available A) Paging. B) Segmentation. C) Virtual Memory. D) None of the above. Show Answer Correct Answer: C) Virtual Memory. 17. If the size of logical address space is 2 to the power of m, and a page size is 2 to the power of n addressing units, then the high order ..... bits of a logical address designate the page number, and the ..... low order bits designate the page offset. A) M-n, m. B) N, m. C) M-n, n. D) M, n. Show Answer Correct Answer: C) M-n, n. 18. Which components appear in the initial windows startup display? A) Dialog box. B) Taskbar. C) Start menu. D) All of these. Show Answer Correct Answer: C) Start menu. 19. Which one is not found in window Accessories A) Note Pad. B) Word Pad. C) Explorer. D) Paint Brush. Show Answer Correct Answer: C) Explorer. 20. When you open a game, which of the following does the operating system do? A) Allocates memory. B) Manages input/output devices. C) Loads the game into the RAM. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. The OS does not boot itself when a system is A) Powered on. B) Restarted. C) Reset. D) Shutdown. Show Answer Correct Answer: D) Shutdown. 22. The term OS is short for? A) Overload System. B) Operating Software. C) Apple. D) Operating System. Show Answer Correct Answer: D) Operating System. 23. A computer needs both hardware and software to work A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. The Start menu is divided into how many panes? A) One. B) Three. C) Two. D) Four. Show Answer Correct Answer: C) Two. 25. Which of the following is not systems software? A) Web Browser. B) Anti virus. C) Firewall. D) Zip Compression. Show Answer Correct Answer: A) Web Browser. 26. One of the functions of an OS is to serve as the ..... between the user, the application software, and the computer's hardware A) Interface. B) Program. C) Server. D) Application. Show Answer Correct Answer: A) Interface. 27. O.S Is an interface between the user and ..... A) Processor. B) Software. C) Hardware. D) None of the above. Show Answer Correct Answer: C) Hardware. 28. To remove all permissions from others which of the following command is correct? A) Chmod 770 filename. B) Chmod 007 filename. C) Chmod 707 filename. D) None of the options. Show Answer Correct Answer: A) Chmod 770 filename. 29. What is used to store a group of files? A) Operating system. B) File. C) Icons. D) Folder. Show Answer Correct Answer: D) Folder. 30. What is Process Management in an operating system? A) Process Management in an operating system involves managing the execution of processes, including scheduling, resource allocation, and inter-process communication. B) Process Management involves managing hardware components only. C) Process Management does not include inter-process communication. D) Process Management is not related to resource allocation. Show Answer Correct Answer: A) Process Management in an operating system involves managing the execution of processes, including scheduling, resource allocation, and inter-process communication. 31. The small pictures on the desktop. A) Folder. B) Hardware. C) File. D) Icons. Show Answer Correct Answer: D) Icons. 32. A type of operating system that allows many people to use the same computer at the same time or at different times. A) Multi-user. B) Desktop. C) Single-use. D) Icons. Show Answer Correct Answer: A) Multi-user. 33. Environment for execution of a program is provided by A) Operating System. B) Memory. C) Outputs. D) Inputs. Show Answer Correct Answer: A) Operating System. 34. The computer understands any languages such as English, Malay and Chinese. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 35. System goals from using operating system is the O.S should be ..... A) Easy to design. B) Difficult to detect errors. C) Cannot reliable in it. D) None of the above. Show Answer Correct Answer: A) Easy to design. 36. Which of the following systems allow only one process at a single instance? A) Uni-processing system. B) Uni-programming system. C) Uni-tasking. D) All of the above. Show Answer Correct Answer: A) Uni-processing system. 37. A(n) ..... is the most important software that runs on a computer. A) Operating System. B) Anti virus. C) IOS. D) Windows. Show Answer Correct Answer: A) Operating System. 38. Interrupt transfers control to the interrupt service routine generally, through the ..... , which contains the addresses of all the service routines A) Interrupt vector. B) OS. C) Control program. D) Bootstrap program. Show Answer Correct Answer: A) Interrupt vector. 39. Which one of the following errors will be handle by the operating system? A) Power failure. B) Lack of paper in printer. C) Connection failure in the network. D) All of the mentioned. Show Answer Correct Answer: D) All of the mentioned. 40. Program which acts as a boundary between a computer user and the computer itself A) Software update. B) Operating system. C) Network. D) Hardware. Show Answer Correct Answer: B) Operating system. 41. An ..... is small labelled picture on the desktop. A) Files. B) Folders. C) Icons. D) None of the above. Show Answer Correct Answer: C) Icons. 42. What is the role of an operating system in managing device drivers? A) To provide antivirus protection. B) To install and manage drivers for peripheral devices. C) To update software automatically. D) To enhance graphics performance. Show Answer Correct Answer: B) To install and manage drivers for peripheral devices. 43. Which operating system is the successor to Windows Phone 8.1 and is no longer available in the market as of December 10, 2019? A) Windows 10 Mobile. B) Catalina macOS. C) Android Q. D) IOS 13. Show Answer Correct Answer: A) Windows 10 Mobile. 44. Which interface is the most popularly used A) GUI. B) CLI. C) WHICH. D) None of the above. Show Answer Correct Answer: A) GUI. 45. What is the keyboard shortcut to run? A) Ctrl + R. B) Shift + R. C) ALT + R. D) Win + R. Show Answer Correct Answer: D) Win + R. 46. What does SDK stand for? A) Software Design Kit. B) Specific Developed Keys. C) Software Development Kit. D) Stand-alone Desk Kit. Show Answer Correct Answer: C) Software Development Kit. 47. Hard disk, CD, DVD, USB Flashdisk, Micro SD is a computer hardware that functions as ..... A) The processor's. B) Output device. C) Storage media. D) Input device. Show Answer Correct Answer: C) Storage media. 48. What do we get at the bottom of the launcher? A) System menu. B) Show Application. C) Top bar. D) None of the above. Show Answer Correct Answer: B) Show Application. 49. The ..... area contains the clock and program icons. A) Taskbar. B) Notification. C) All the above. D) None of the above. Show Answer Correct Answer: B) Notification. 50. Multitasking:running more than 1 application at a time by giving each 1 a slice of CPU time A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. A virus scanner ..... A) Rearranges files on a disk. B) Detects and removes malware. C) Deletes files. D) Checks user names and passwords. Show Answer Correct Answer: B) Detects and removes malware. 52. New technology and hardware can be easily integrated into thesystem. A) ADVANTAGE. B) DISADVANTAGE. C) All the above. D) None of the above. Show Answer Correct Answer: A) ADVANTAGE. 53. The screen that you see when your computer has finished starting up is called the ..... A) Home. B) Desktop. C) Start up screen. D) Task Bar. Show Answer Correct Answer: B) Desktop. 54. You can swap over the functionality of the left and right mouse buttons A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 55. Here's the command found on Linux Ubuntu? A) Copy conn. B) Mkdir. C) Type. D) Dir. Show Answer Correct Answer: B) Mkdir. 56. Which of the following is the collection of stored settings that ensure your customizations are in effect whenever you log on? A) Your user profile. B) Your domain. C) Your permission level. D) Your lock screen. Show Answer Correct Answer: A) Your user profile. 57. THE TASKBAR IS AT THE ..... OF THE DESKTOP. A) LEFT. B) RIGHT. C) BOTTOM. D) TOP. Show Answer Correct Answer: C) BOTTOM. 58. A button at the left corner of the taskbar. A) Power. B) Cortana. C) Task. D) Start. Show Answer Correct Answer: D) Start. 59. What is the most widely used operating system? A) Windows. B) Ios. C) Linux. D) Blackberry. Show Answer Correct Answer: A) Windows. 60. The following are the basic commands on the Linux OS to delete a directory containing files. A) Rm. B) Rmdir. C) Rm-ls. D) Rm-rf. Show Answer Correct Answer: D) Rm-rf. ← 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books