This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 9) Virtual memory is normally implemented by ..... A) Demand paging. B) Buses. C) Virtualization. D) All of the mentioned. Show Answer Correct Answer: A) Demand paging. 2. UNIX is written in which language? A) C++. B) C. C) Html. D) C#. Show Answer Correct Answer: B) C. 3. Which folder holds the deleted files/ folders in a computer? A) Computer. B) Recycle bin. C) Document. D) None of the above. Show Answer Correct Answer: B) Recycle bin. 4. Which memory management scheme allows programs to be executed even if they are not fully loaded into memory? A) Virtual Memory. B) Paging. C) Segmentation. D) Demand Paging. Show Answer Correct Answer: D) Demand Paging. 5. Linux is an OS made by ..... A) Ibm. B) Microsoft. C) Windows. D) Linus trovald. Show Answer Correct Answer: D) Linus trovald. 6. This type of interface requires a decent hardware spec on your computer 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. 7. Which operating system dominates the mobile market? A) Microsoft Windows. B) Apple iOS. C) Linux. D) Google Android. Show Answer Correct Answer: D) Google Android. 8. In a future where advanced AI and quantum computing dominate, can a computer or laptop function without an operating system? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 9. What is the purpose of a context switch in an operating system? A) To switch between user mode and kernel mode. B) To transfer data between processes. C) To save and restore the state of a process. D) To allocate memory to processes. Show Answer Correct Answer: C) To save and restore the state of a process. 10. Describes the devices used to hold information A) Operating System. B) GUI. C) Hard Drive. D) Data Storage. Show Answer Correct Answer: D) Data Storage. 11. How does the operating system manage programs that are running? A) It allocates free memory when a program requests it. B) It deletes programs from disk once they have been loaded into memory. C) It converts programs to machine code and begins their execution. D) None of the above. Show Answer Correct Answer: A) It allocates free memory when a program requests it. 12. These are example of Stand-alone OS Except for A) Microsoft Mac. B) Ubuntu. C) MAC OS X. D) Linux. Show Answer Correct Answer: A) Microsoft Mac. 13. HTTPS in a web browser means the site you are visiting is unencrypted? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 14. How many methods did we see to open the Settings dialog box? A) 1. B) 2. C) 3. D) None of the above. Show Answer Correct Answer: B) 2. 15. A database that stores settings for the operating system and other programs. These settings are stored as keys and values. A) Access Control/Protection. B) Windows Registry. C) Windows Update. D) Windows Settings App. Show Answer Correct Answer: B) Windows Registry. 16. Where is the starting address of each page held in memory management? A) Virtual memory. B) Page Table. C) A dictionary. D) BIOS. Show Answer Correct Answer: B) Page Table. 17. A utility of the Windows operating system which lets you view and change all the keys, giving users greater control over their computers. A) Windows Registry. B) Access Control/Protection. C) Registry Editor. D) Windows Update. Show Answer Correct Answer: C) Registry Editor. 18. Which of the following is not the function of the operating system? A) Memory management. B) Process management. C) Device managementAnswer. D) Virus protection. Show Answer Correct Answer: D) Virus protection. 19. How do you open a file? A) Use a file handling function to specify the file path and mode. B) Drag and drop the file into the application. C) Use a web browser to access the file. D) Open the file by double-clicking it in the file explorer. Show Answer Correct Answer: A) Use a file handling function to specify the file path and mode. 20. What is a system call? A) A function call within a program. B) A request to the kernel for a service. C) A method to handle user inputs. D) A networking protocol. Show Answer Correct Answer: B) A request to the kernel for a service. 21. What is the purpose of user authentication in an operating system? A) To manage hardware components effectively. B) To allow users to customize their settings. C) To enhance the performance of applications. D) To verify the identity of users before granting access. Show Answer Correct Answer: D) To verify the identity of users before granting access. 22. Which Scheduler to pick up the processes from Job pool A) Process Scheduler. B) Mid-Term Scheduler. C) Short-Term Scheduler. D) Long-Term Scheduler. Show Answer Correct Answer: D) Long-Term Scheduler. 23. What is the function of Long term scheduler? A) Moves process from cpu to terminate state. B) Brings process from main memory to CPU. C) Moves process from cpu to waiting state. D) Brings process from secondary memory to main memory. Show Answer Correct Answer: D) Brings process from secondary memory to main memory. 24. What is the function of a firewall in an operating system? A) To manage hardware resources efficiently. B) To enhance the speed of data processing. C) To filter incoming and outgoing traffic. D) To provide a user-friendly interface for applications. Show Answer Correct Answer: C) To filter incoming and outgoing traffic. 25. When the OS creates temporary RAM on the Hard Drive it is known as ..... A) Defragmenting. B) Cache. C) Virtual Memory. D) Registering. Show Answer Correct Answer: C) Virtual Memory. 26. The maximum file size of FAT32 system is ..... ? A) 4 gB. B) 4 Gb. C) 4 gb. D) 4 GB. Show Answer Correct Answer: D) 4 GB. 27. Which is the latest version of Windows? A) Windows 8.1. B) Windows 8.2. C) Windows 10. D) Windows 7. Show Answer Correct Answer: C) Windows 10. 28. An operating system is for A) All of these. B) Managing files. C) Managing hardware. D) Adding a user interface. Show Answer Correct Answer: A) All of these. 29. You can instruct it to find the meaning of a word, directions, places or do calculation. A) Task view. B) Taskbar. C) Cortana. D) File Explorer. Show Answer Correct Answer: C) Cortana. 30. True or False:A program icon does not have a shortcut menu. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 31. The four managers of an Operating System are ..... A) Peripheral Management, Memory Management, Process Management, File Management. B) Peripheral Management, Memory Management, Security Management, Process Management. C) Peripheral Management, Memory Management, Security Management, Multitasking Management. D) Data Management, Memory Management, Process Management, File Management. Show Answer Correct Answer: A) Peripheral Management, Memory Management, Process Management, File Management. 32. How many types of user interface are there? A) Two. B) Three. C) Four. D) None of the above. Show Answer Correct Answer: A) Two. 33. A scrollable viewing area on screen; it can contain files or folders A) Desktop. B) Folder. C) Window. D) Icon. Show Answer Correct Answer: C) Window. 34. The program that acts as an intermediary between users and hardware computers is ..... A) Operating System. B) BIOS. C) Ms. Office. D) Utility Program. Show Answer Correct Answer: A) Operating System. 35. Perform actions on your desktop directly, such as show you the current weather or time. A) Gadgets or widgets. B) GUI. C) Icons. D) Data Storage. Show Answer Correct Answer: A) Gadgets or widgets. 36. Which part of the operating system deals with the movement, editing and deletion of data? A) Memory management. B) File and disk management. C) User management. D) User interface. Show Answer Correct Answer: B) File and disk management. 37. The taskbar can be dragged to any of the ..... sides of the desktop. A) 4. B) 2. C) All the above. D) None of the above. Show Answer Correct Answer: A) 4. 38. Windows Mobile is open sourced A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 39. Which network can handle larger amounts of information? A) Client/Server. B) Peer-to peer. C) All the above. D) None of the above. Show Answer Correct Answer: A) Client/Server. 40. Global or static data in in a program gets mapped to ..... of a process. A) Heap. B) Stack. C) Text Segment. D) Data Segment. Show Answer Correct Answer: D) Data Segment. 41. We generally have multi-user operating system at homes. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 42. What is the basic principle behind the FCFS scheduling algorithm? A) The process that arrives first is executed first. B) The process that uses the least amount of system resources is executed first. C) Processes are scheduled according to their execution time. D) Processes are scheduled according to their priority level. Show Answer Correct Answer: A) The process that arrives first is executed first. 43. What is the difference between a cold boot and a warm boot? A) Cold boot refers to restarting the system, while warm boot is turning on the system. B) Cold boot refers to turning on the system, while warm boot is restarting the system. C) Both cold and warm boot are the same. D) Cold boot is related to laptops, and warm boot to desktops. Show Answer Correct Answer: B) Cold boot refers to turning on the system, while warm boot is restarting the system. 44. Which operating system is the most popular for desktop computers? A) Microsoft Windows. B) Apple Mac OS X. C) Linux. D) Google Android. Show Answer Correct Answer: A) Microsoft Windows. 45. A set of instructions which control the computer is ..... A) Firmware. B) Software. C) Loungewear. D) Hardware. Show Answer Correct Answer: B) Software. 46. Which file starts Microsoft Word? A) Winword.exe. B) Msword.exe. C) Word2003.exe. D) Word.exe. Show Answer Correct Answer: A) Winword.exe. 47. Does a mobile device need an Operating System? A) Yes. B) No. C) Sometimes. D) None of the above. Show Answer Correct Answer: A) Yes. 48. Laras experienced problems with his laptop, he suspected that the problem came from his error OS, he had the initials to reinstall the OS on his laptop, the most important thing to do before reinstalling was A) Important data backup. B) Buy a new hard drive. C) Fill the laptop to the full. D) Upgrade the hard drive to the SSD. Show Answer Correct Answer: A) Important data backup. 49. Any button shows the smaller window abbreviations. A) Control. B) Restore. C) Minimize. D) Maximize. Show Answer Correct Answer: B) Restore. 50. Which of these tasks is a function of the operating system? A) Scanning a photograph. B) Adding data to a spreadsheet. C) Copying a file. D) Producing a database report. Show Answer Correct Answer: C) Copying a file. 51. A peer to peer (P2P) network is where two or more computers share files and access to resources. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 52. In which scheduling cpu is allocated to the processes for the limited time A) Non preemptive scheduling. B) Preemptive scheduling. C) All the above. D) None of the above. Show Answer Correct Answer: B) Preemptive scheduling. 53. Which of the following is not an operating system call for process management? A) FORK. B) CREATE. C) DELETE. D) PCB. Show Answer Correct Answer: D) PCB. 54. What is Ostrich algo associated with? A) Deadlock Prevention. B) Deadlock avoidance. C) Deadlock ignorance. D) Deadlock handling. Show Answer Correct Answer: C) Deadlock ignorance. 55. If an OS has the ability to run more than one program simultaneously what is this called? A) Multiprogram. B) Moles. C) Multitasking. D) Multiuser. Show Answer Correct Answer: C) Multitasking. 56. GNU/Linux or Linux is one of the most popular open source operating systems in the world, even the Android that we use using Linux kernel you know ..... The creator is a Finnish student named? A) Linus Torvalds. B) Linus Widodo. C) Ken Thompson. D) Linus Thorvlads. E) Bertus. Show Answer Correct Answer: A) Linus Torvalds. 57. ..... is a software generated interrupt caused by error or user request A) OS. B) Trap. C) Interrupt vector. D) Bootstrap program. Show Answer Correct Answer: B) Trap. 58. Refers to the parts of a computer that you can touch or feel. A) Software. B) Icons. C) Hardware. D) Taskbar. Show Answer Correct Answer: C) Hardware. 59. The program counter contains the location of the instruction being executed. The address is loaded into the memory address register of the memory. How do we refer that address? A) Physical address. B) Logical address. C) Both. D) Neither. Show Answer Correct Answer: A) Physical address. 60. The purpose of the GUI is to A) Hide the complexities of the machine from the user. B) Guide the user. C) To make the screen look nice. D) None of the above. Show Answer Correct Answer: A) Hide the complexities of the machine from the user. ← 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