This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an example of a real-time operating system (RTOS)? A) Linux. B) Windows. C) Android. D) VxWorks. Show Answer Correct Answer: D) VxWorks. 2. In the year 2050, which tech giant is credited with the creation of the Mac, a revolutionary personal computer? A) Microsoft. B) Google. C) Yahoo!. D) Apple. Show Answer Correct Answer: D) Apple. 3. If a new application is written for a certain version, it will work with all the future and or previous versions if a system has a policy of backward compatibility. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 4. Which of the following is CUI A) Windows. B) Linux. C) MS DOS. D) All of these. Show Answer Correct Answer: C) MS DOS. 5. How does an operating system manage the processor? A) By installing applications. B) By managing virtual memory. C) By running multiple applications. D) By encrypting data. Show Answer Correct Answer: C) By running multiple applications. 6. System software that manages computer hardware and software resources, and provides common services for computer programs. A) Operating system. B) Software. C) Hardware. D) Computer. Show Answer Correct Answer: A) Operating system. 7. Which is an example of a single-user operating system? A) Linux. B) Windows XP. C) Windows Server 2012. D) UNIX. Show Answer Correct Answer: B) Windows XP. 8. An ..... enables a user to interact with a computer. A) Hard disk. B) Email. C) Printer. D) Interface. Show Answer Correct Answer: D) Interface. 9. The screen where all the icons are arranged A) Wallpaper. B) Close button. C) Desktop. D) None of the above. Show Answer Correct Answer: C) Desktop. 10. The hardware implementation which provides mutual exclusion is A) Semaphores. B) Test and set instructions. C) Both options. D) None of the options. Show Answer Correct Answer: B) Test and set instructions. 11. In which os we use "Punch Cards" A) Time sharing. B) Network os. C) Batch os. D) None of the above. Show Answer Correct Answer: C) Batch os. 12. The English equivalent term of "distributed calculations" IS A) Distributed computations. B) Application computations. C) All the above. D) None of the above. Show Answer Correct Answer: A) Distributed computations. 13. Which type of operating system responds to input immediately? A) Real-Time. B) Multitasking. C) Multi-user. D) Multiprocessing. Show Answer Correct Answer: A) Real-Time. 14. Which of the following is the feature of operating system? A) Paint. B) Calculator. C) Notepad. D) All of these. Show Answer Correct Answer: D) All of these. 15. For an effective operating system, when to check for deadlock? A) Every time a resource request is made at fixed time intervals. B) At fixed time intervals. C) Every time a resource request is made. D) None of the mentioned. Show Answer Correct Answer: A) Every time a resource request is made at fixed time intervals. 16. Which command creates a directory or sub directory? A) Dir. B) Md. C) Mkdir. D) Both dir and md. Show Answer Correct Answer: C) Mkdir. 17. A new feature in Windows that allows the user to go to recently visited documents, pictures or websites by right clicking on a program button A) Jump list. B) Cascading windows. C) Aero Peek. D) None of the above. Show Answer Correct Answer: A) Jump list. 18. All GUI's are similarly structured A) Correct. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) Correct. 19. What is spooling? A) Process are grouped in batches. B) Secondary memory is introduced. C) Punch cards are used for I/p and O/p. D) CPU sits idle for most of the time. Show Answer Correct Answer: B) Secondary memory is introduced. 20. What is the purpose of the control panel? A) Display system information. B) Running system diagnostics. C) Installing new software updates. D) Management and configuring system settings. Show Answer Correct Answer: D) Management and configuring system settings. 21. Which of the following statement explains the nature of a multi-programming OS? A) Execute applications sequentially in the order they are submitted to OS. B) Allocate time-slices to each application and switch to another application when time quanta expires. C) Allocate applications to different CPUs and manage them in such a manner that no two similar applications run on the same CPU. D) When CPU is idle, switch to another application. Show Answer Correct Answer: D) When CPU is idle, switch to another application. 22. Which of this is an example of NOS? A) Windows XP. B) Android. C) Novell. D) MAC. Show Answer Correct Answer: C) Novell. 23. If you can't find the desired icon, where do you go to search for it? A) Title Bar. B) Search Bar. C) Launcher. D) None of the above. Show Answer Correct Answer: B) Search Bar. 24. What is the role of File System in an operating system? A) The File System controls the user interface of the operating system. B) The File System is responsible for processing data in the operating system. C) The File System manages data storage, organization, and access on storage devices. D) The File System manages network connections in the operating system. Show Answer Correct Answer: C) The File System manages data storage, organization, and access on storage devices. 25. One of your "operating systems" functions is to provide an interface between you and your application software. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 26. How does an operating system handle multitasking? A) By using a single-threaded process. B) By allocating time slices to each process. C) By executing one process at a time. D) By using a graphical user interface. Show Answer Correct Answer: B) By allocating time slices to each process. 27. What is a service pack? A) A collection of software updates. B) A form of spyware. C) A power mode designed to provide emergency power during a power outage. D) A collection of Desktop backgrounds, sounds and themes that you can find online and then download and install on your system. Show Answer Correct Answer: A) A collection of software updates. 28. Which of the following is an example of a non-preemptive scheduling algorithm? A) Round Robin (RR). B) Shortest Job Next (SJN). C) Priority Scheduling. D) Multilevel Queue Scheduling. Show Answer Correct Answer: B) Shortest Job Next (SJN). 29. ..... allows to hide the opened Window? A) Minimize. B) Desktop. C) Live tiles. D) Windows 10. Show Answer Correct Answer: A) Minimize. 30. When you ..... a document, it's sent to the recycle bin. A) Destroy. B) Erase. C) Delete. D) None of the above. Show Answer Correct Answer: C) Delete. 31. Sometimes, the process in our system has pending I/O. When this thing happens, swapping ..... be done. A) Can. B) Must never. C) Both. D) Neither. Show Answer Correct Answer: B) Must never. 32. If a process fails, most operating system write the error information to a ..... A) New file. B) Another running process. C) Log file. D) None of the mentioned. Show Answer Correct Answer: C) Log file. 33. True or False:The Start menu displays the list of all programs installed in the computer. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 34. Designed primarily to support workstations, personal computers that are connected on a local area network (LAN). A) Client-Server. B) Network Operating System. C) Peer to Peer. D) Operating System. Show Answer Correct Answer: B) Network Operating System. 35. Windows 7 and Windows 8 are examples of: A) Android. B) Microsoft Windows. C) IOS. D) MAC OS. Show Answer Correct Answer: B) Microsoft Windows. 36. Which of the following is a function of the operating system? A) To compose and send email. B) To edit photographs and other high-resolution images. C) To control communication and manage files. D) All of these are operating system functions. Show Answer Correct Answer: C) To control communication and manage files. 37. Which os is used on most computers around the world A) Microsoft windows. B) Unix. C) Ubuntu. D) MAC OS. Show Answer Correct Answer: A) Microsoft windows. 38. What is the function of the memory management layer in an operating system? A) To control external devices. B) To manage memory access. C) To organize data storage. D) To provide a user interface. Show Answer Correct Answer: B) To manage memory access. 39. ..... is the extension of shell script file. A) .txt. B) .bin. C) .sh. D) .os. Show Answer Correct Answer: C) .sh. 40. Process of starting a computer or mobile devices from a state when it is powered off completely is known as A) Cold boot. B) Warm boot. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cold boot. 41. The title bar is present at the bottom of the Text Editor window. True/False? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 42. Every time a memory location is accessed, the processor looks into the ..... to identify the corresponding ..... A) Page table, page frame number. B) Page frame number, page table. C) Block table, block number. D) Page table, block number. Show Answer Correct Answer: A) Page table, page frame number. 43. Select the incorrect operating system A) Window. B) Linux. C) MS-Dos. D) Explorer. Show Answer Correct Answer: D) Explorer. 44. What is not one of the basic functions of an operating system? A) Manage applications. B) Tracking the date and time. C) Provide a user interface. D) Control hardware access. Show Answer Correct Answer: B) Tracking the date and time. 45. To change directory to 2 steps back which of the following command is used? A) Cd //. B) Cd / /. C) Cd / /. D) Cd././. Show Answer Correct Answer: B) Cd / /. 46. Which scheduling algorithm ensures that each process gets an equal amount of CPU time? A) Round-Robin. B) Priority-based. C) First-Come, First-Served (FCFS). D) Shortest Job Next (SJN). Show Answer Correct Answer: A) Round-Robin. 47. Lollipop is an example of Android OS. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. Wanda has a laptop with a RAM capacity of 2 GB and a storage media in the form of a hard drive of 120 GB, he installed Windows 10 for the laptop, but after being used after a long time the laptop felt heavy and the boot also took a short time, why? A) The number of bugs on Windows 10 OS. B) Wanda Not Login As Administrator. C) Wanda rarely clean her laptop. D) Laptop specifications owned by Wanda do not work for running Windows 10. Show Answer Correct Answer: D) Laptop specifications owned by Wanda do not work for running Windows 10. 49. ..... collects some data without the user's knowledge and sends it over the internet to a third party who can use it for something wrong A) Virus. B) Spyware. C) All the above. D) None of the above. Show Answer Correct Answer: B) Spyware. 50. Which of these is not a software? A) Word. B) Office 2016. C) CPU. D) Windows 10. Show Answer Correct Answer: C) CPU. 51. How can you restore a file? A) Go to the recycle bin and right-click on the file and choose 'Restored'. B) Download the file again. C) After removing the file, make it again. D) Re-start the computer. Show Answer Correct Answer: A) Go to the recycle bin and right-click on the file and choose 'Restored'. 52. A single user operating system supports ..... at a time. A) Three users. B) Two users. C) Four users. D) One user. Show Answer Correct Answer: D) One user. 53. The main electronic component used in first generation computers was A) Transistors. B) Vacuum Tubes and Valves. C) Integrated circuits. D) None of these. Show Answer Correct Answer: B) Vacuum Tubes and Valves. 54. Which of these is not a job of the operating system? A) Stopping unauthorised users accessing files that do not belong to them. B) Handling HTTP requests for webpages. C) Allocating memory to programs that are running on the computer. D) None of the above. Show Answer Correct Answer: B) Handling HTTP requests for webpages. 55. Which is an example of software? A) Microphone. B) Scanner. C) MS Office. D) Keyboard. Show Answer Correct Answer: C) MS Office. 56. Determining the view of the image is the icon showing the details of the file.Which option A) Detials. B) Content. C) List. D) Tiles. Show Answer Correct Answer: D) Tiles. 57. A ..... bit in the page table indicates if the block is in RAM or not. A) Present bit. B) Dirty bit. C) Gray to be. D) Protection bit. Show Answer Correct Answer: A) Present bit. 58. What does graphics mean A) Pictures. B) GUI. C) Wallpaper. D) None of the above. Show Answer Correct Answer: A) Pictures. 59. Which of the following is true about threads? A) Threads do not require context switching. B) Threads are always independent of one another. C) Threads within a process share the same resources. D) Threads cannot be used for multitasking. Show Answer Correct Answer: C) Threads within a process share the same resources. 60. Responsibilities of OS include A) Handling "interrupts" generated by the I/O controllers. B) Making external devices to work properly. C) Creating instructions to connect user's PC to the local network. D) Finding ways for student to answer this question. Show Answer Correct Answer: A) Handling "interrupts" generated by the I/O controllers. ← 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