This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of the file management system in an operating system? A) To manage physical communication with external devices. B) To organize and manage data storage. C) To allocate processor time and memory. D) To provide a user interface. Show Answer Correct Answer: B) To organize and manage data storage. 2. Decide if the statement is true or false. "A computer can function without an operating system." A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. Operating system resides between the hardware and ..... A) The user. B) The OS. C) System tools. D) The application programs. Show Answer Correct Answer: D) The application programs. 4. Determining the view of the image is a medium icon.Which option A) List. B) Large. C) Medium. D) Tiles. Show Answer Correct Answer: C) Medium. 5. Being able to run several applications at the same time is known as A) Application management. B) Multi tasking. C) Application control. D) Multi cores. Show Answer Correct Answer: B) Multi tasking. 6. Determining the view of the image is a very large icon.Which option A) Medium Icons. B) Extra Large Icons. C) Large Icons. D) List. Show Answer Correct Answer: B) Extra Large Icons. 7. Which operating system is known for its free and open-source distribution based on Debian? A) Microsoft Windows. B) Catalina macOS. C) Linux Ubuntu. D) Android Q. Show Answer Correct Answer: C) Linux Ubuntu. 8. A user interface where the user interacts with menus and icons is called: A) Graphical User Interface. B) Graphical Super Interface. C) Command Line Interface. D) Command Super Interface. Show Answer Correct Answer: A) Graphical User Interface. 9. The operating system used on mobile devices other than Apple products. A) MacOS. B) IOS. C) Windows. D) Android. Show Answer Correct Answer: D) Android. 10. Which of the following is not an operating system for personal computers? A) Windows 10 Pro. B) Sierra macOS. C) Ubuntu. D) Freebsd. Show Answer Correct Answer: D) Freebsd. 11. Which among the graphical representation of a file/folder? A) Images. B) Tools. C) Notification. D) Icons. Show Answer Correct Answer: D) Icons. 12. Who is the founder of Linux? A) Linus Torvalds. B) Stephen Linux. C) Linux D. D) Linus Albert. Show Answer Correct Answer: A) Linus Torvalds. 13. Which of these is not there on the task bar? A) Cortana search box. B) Close button. C) Windows Explorer. D) Start button. Show Answer Correct Answer: B) Close button. 14. No central location for storage. A) ADVANTAGE. B) DISADVANTAGE. C) All the above. D) None of the above. Show Answer Correct Answer: B) DISADVANTAGE. 15. Physical and mechanical components of a computer such as the monitor, mouse, chips, keyboard, etc. A) Firewall. B) Software. C) Supercomputer. D) Hardware. Show Answer Correct Answer: D) Hardware. 16. ..... is when the user switches on the computer after it has been completely turned off A) Cold boot. B) Warm boot. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cold boot. 17. What is the full name of the DSM? A) Direct system memory. B) Demoralized system memory. C) Direct system module. D) Distributed shared memory. Show Answer Correct Answer: D) Distributed shared memory. 18. What is the role of the OS in cybersecurity? A) To enforce security policies and manage user access. B) To provide entertainment applications. C) To enhance graphics performance. D) To manage hardware components only. Show Answer Correct Answer: A) To enforce security policies and manage user access. 19. Which of the following is the process of starting or restarting a computer or mobile device? A) Launching. B) Keying. C) Booting. D) Loading. Show Answer Correct Answer: C) Booting. 20. Windows is an ..... A) Application software. B) Operating System. C) All the above. D) None of the above. Show Answer Correct Answer: B) Operating System. 21. One nibble is equivalent to how many bits? A) 8. B) 4. C) 16. D) 2. Show Answer Correct Answer: B) 4. 22. Each file can be also given a name that is useful to identify the file this is known as ..... A) File name. B) Folder name. C) Icon name. D) Extension name. Show Answer Correct Answer: A) File name. 23. Pressing F1 is a common way to invoke help in Windows? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 24. Firmware is software that is embedded in a hardware device. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Windows Defender is a A) Tool which is used for detecting and removing malware. B) Tool used to display system information. C) Tool that optimizes memory usage. D) Tool that can be used instead of CHKDSK to check for errors on a hard drive. Show Answer Correct Answer: A) Tool which is used for detecting and removing malware. 26. Which of the following is not a Software? A) Mouse. B) Paint. C) MS-Word. D) MS-Excel. Show Answer Correct Answer: A) Mouse. 27. What is the process of starting or restarting a computer called? A) Rebooting. B) Power Cycling. C) Shutting Down. D) Booting. Show Answer Correct Answer: D) Booting. 28. Which of the following is a disadvantage of priority scheduling? A) It can lead to starvation of low-priority processes. B) It is not suitable for batch systems. C) It is difficult to implement. D) It requires more CPU time. Show Answer Correct Answer: A) It can lead to starvation of low-priority processes. 29. ..... is an embedded operating system resides on a ROM chip on a mobile device or consumer electronic device. A) Stand-alone OS. B) Server the. C) Mobile the. D) Free OS. Show Answer Correct Answer: C) Mobile the. 30. What is Role-Based Access Control (RBAC)? A) Access is granted based on user roles. B) Enforces strict access rules defined by the OS. C) Allows resource owners to define access. D) Uses dynamic attributes to grant access. Show Answer Correct Answer: A) Access is granted based on user roles. 31. Which of the following is a multi-processor operating system? A) From/OS. B) Solaris. C) Cellular IRIX. D) Windows Server 2016. Show Answer Correct Answer: B) Solaris. 32. What is an embedded system? A) A system that can be easily modified. B) A system that runs multiple operating systems. C) A computer system dedicated to a specific task. D) A system that stores files in the cloud. Show Answer Correct Answer: C) A computer system dedicated to a specific task. 33. BUSINESS SOFTWARE:Example of these are Finance Software, Accounting Software, Tax Preparation, etc. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 34. ..... are programs that designed to help users to be more productive with their personal tasks. A) Software. B) Utility program. C) Application software. D) System Software. Show Answer Correct Answer: C) Application software. 35. A company that offers services for accessing and using the internet is A) An ISP(Internet Service Provider). B) A public Wi-Fi provider. C) A modem. D) A network. Show Answer Correct Answer: A) An ISP(Internet Service Provider). 36. What is the purpose of the Memory Management Unit (MMU)? A) To handle I/O operations. B) To provide network connectivity. C) To manage CPU scheduling. D) To map virtual addresses to physical addresses. Show Answer Correct Answer: D) To map virtual addresses to physical addresses. 37. Which Operating System function enables the allocation of folders? A) User Management. B) File Management. C) User Interface. D) Memory Management. Show Answer Correct Answer: B) File Management. 38. The right side of the taskbar is known as ..... A) Start button. B) Notification area. C) Quick launch toolbar. D) None of the above. Show Answer Correct Answer: B) Notification area. 39. Write True or False for the following:Windows provides a quick and easy way to install new software. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 40. When you start the computer system, the task bar appears ..... on the screen. A) Up. B) Middle. C) Bottom. D) None of the above. Show Answer Correct Answer: C) Bottom. 41. The method used by the operating system to control access to a shared resource by multiple processes is called: A) Memory mapping. B) Page swapping. C) Synchronization. D) Process scheduling. Show Answer Correct Answer: C) Synchronization. 42. Last step in running and preparing batch jobs is to A) Printout is queued. B) Printout is started. C) Printout is return. D) Printout is verified. Show Answer Correct Answer: C) Printout is return. 43. What are the main functions of Process Management? A) Memory management, file management, network management. B) Process creation and termination, scheduling, resource management, inter-process communication, error handling. C) Input/output management, security management, data management. D) User interface management, software management, hardware management. Show Answer Correct Answer: B) Process creation and termination, scheduling, resource management, inter-process communication, error handling. 44. To quit a program, you can select the ESC button A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. It is the program that controls the execution of application programs and acts as an interface between user and the computer A) Utility programs. B) Operating system. C) Application system. D) Device manager. Show Answer Correct Answer: B) Operating system. 46. Which command creates an empty file if file does not exist? A) Touch. B) Cp. C) Empty. D) Cat. Show Answer Correct Answer: A) Touch. 47. Which item is used for changing file names? A) Rename. B) Review. C) Redo. D) Retouch. Show Answer Correct Answer: A) Rename. 48. What is marshaling in the context of RPC? A) Assigning a unique identifier to each remote procedure. B) Encrypting messages exchanged between client and server. C) Converting procedure parameters into a format suitable for transmission. D) Establishing a secure communication channel. Show Answer Correct Answer: C) Converting procedure parameters into a format suitable for transmission. 49. To change the height and width of the window simultaneously, place the mouse pointer over any ..... of the window A) Corner. B) Bottom. C) Left. D) None of the above. Show Answer Correct Answer: A) Corner. 50. Operating systems provide a platform to run other software on A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. What does the "mkdir" command do in Linux? A) Deletes a directory. B) Moves a directory. C) Creates a directory. D) Lists all directories. Show Answer Correct Answer: C) Creates a directory. 52. What is information? A) Hardware and electronics. B) Software and hardware. C) Hard drive, processor. D) (or data) in paper or electronic format. Show Answer Correct Answer: D) (or data) in paper or electronic format. 53. Where is the interrupt in operating system? 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). 54. The primary purpose of an operating system is: A) To allow people to use the computer. B) To make computers easier to use. C) To make the most efficient use of computer hardware. D) To keep systems programmers employed. Show Answer Correct Answer: C) To make the most efficient use of computer hardware. 55. An ..... is a program that acts as an intermediary between a user of a computer and the computer hardware A) Kernel. B) OS. C) Interrupt vector. D) Bootstrap program. Show Answer Correct Answer: B) OS. 56. Which layer of the operating system manages memory access and processor allocation? A) Input/Output. B) Memory Management. C) Kernel. D) File Management System. Show Answer Correct Answer: C) Kernel. 57. WHICH ONE OF THESE IS AN OPERATING SYSTEM A) MS-WORD. B) MS-OFFICE. C) MS-DOS. D) MS-ACCESS. Show Answer Correct Answer: C) MS-DOS. 58. In ENICA computer, programs were loaded into memory manually using switches or ..... A) Memory. B) Punch card. C) Magnetic disk. D) None of the above. Show Answer Correct Answer: B) Punch card. 59. ..... is the long horizontal bar at the bottom of the desktop A) Taskbar. B) Title bar. C) All the above. D) None of the above. Show Answer Correct Answer: A) Taskbar. 60. What is a key feature of Loose Coupling in Event Based Architecture? A) Direct calls are preferred over events. B) All components must be on the same server. C) Producers and consumers interact through events. D) Producers and consumers are tightly integrated. Show Answer Correct Answer: C) Producers and consumers interact through events. ← 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