This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 17 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Process of restarting a computer or mobile devices while it remains powered on. A) Cold boot. B) Warm boot. C) All the above. D) None of the above. Show Answer Correct Answer: B) Warm boot. 2. Which service is provided by the operating system? A) User interface management. B) File system management. C) Memory management. D) All of the above. Show Answer Correct Answer: D) All of the above. 3. To open Microsoft Word, click on the ..... A) Picture. B) Symbol. C) Icon. D) None of the above. Show Answer Correct Answer: C) Icon. 4. Standard folders in the operating system that have been released include? A) Windows. B) Data. C) Bios. D) Files. Show Answer Correct Answer: A) Windows. 5. What is a deadlock in an operating system? A) A state where a process is waiting for a resource held by another process, creating a circular chain of dependencies. B) A state where a process has no work to do and waits indefinitely. C) A situation where multiple processes are competing for CPU time. D) A state where a process is executing in kernel mode. Show Answer Correct Answer: A) A state where a process is waiting for a resource held by another process, creating a circular chain of dependencies. 6. My Computer was introduced from A) Windows 95. B) Windows 3.1. C) Windows 98. D) Windows 3.11. Show Answer Correct Answer: C) Windows 98. 7. Earlier computer systems utilized Command Line Interface to tell a computer what to do, which interface does the computer utilize now? A) Command Line Interface. B) Touch User Interface. C) Natural Language Interface. D) Graphical User Interface. Show Answer Correct Answer: D) Graphical User Interface. 8. Deleted documents stay in the recycle bin until you ..... it A) Wash. B) Empty. C) Clean. D) None of the above. Show Answer Correct Answer: B) Empty. 9. To access the services of operating system, the interface is provided by the A) System calls. B) API. C) Library. D) Assembly Instruction. Show Answer Correct Answer: A) System calls. 10. What is the main role of the "shell" in an operating system like MS-DOS? A) To provide hardware support. B) To manage system resources. C) To provide a command-line interface for the user. D) To perform background calculations. Show Answer Correct Answer: C) To provide a command-line interface for the user. 11. Thread is also known as ..... A) Heavy Weight Process. B) Light Weight Process. C) Process. D) None. Show Answer Correct Answer: B) Light Weight Process. 12. Which of the following is a method of dynamic memory allocation? A) Best-fit. B) All of the above. C) First-fit. D) Worst-fit. Show Answer Correct Answer: B) All of the above. 13. The programmatic way in which a computer program/user application requests a service from the kernel of the operating system on which it is executed. A) BIOS. B) System Call. C) Kernel. D) Shell. Show Answer Correct Answer: B) System Call. 14. A scheduling algorithm that deals with each user or task to be processed in turn. A) Shortest Job First. B) Round Robin. C) Multi-Level Feedback Queue. D) First Come First Serve. Show Answer Correct Answer: B) Round Robin. 15. What is the maximum length of the filename in DOS? A) 5. B) 4. C) 8. D) 12. Show Answer Correct Answer: C) 8. 16. Where is the BIOS? A) It is inside a black box that can be added to the computer. B) It is inside a fan on a the computer. C) It is in a USB drive that can be connected to the computer. D) It is in a chip on the motherboard. Show Answer Correct Answer: D) It is in a chip on the motherboard. 17. The software that lets you interact with your computer. A) IPO cycle. B) Lock screen. C) Operating system. D) Files and folder. Show Answer Correct Answer: C) Operating system. 18. The operating system is responsible for the following activities in connection with ..... :* Mounting and unmounting* Free-space management* Storage allocation* Disk scheduling* Partitioning* Protection A) Process Management. B) File-System Management. C) Mass Strorage Management. D) Memory Management. Show Answer Correct Answer: C) Mass Strorage Management. 19. SYSTEM SOFTWARE CAN BE CLASSIFIED INTO HOW MANY CATEGORIES A) 2. B) 4. C) 3. D) 5. Show Answer Correct Answer: B) 4. 20. It is used to enter data into the computer. A) Keyboard. B) Monitor. C) Speaker. D) None of the above. Show Answer Correct Answer: A) Keyboard. 21. Which of these is not a function of an operating system A) Manage peripherals. B) Manage memory. C) Provide a user interface. D) Time management. Show Answer Correct Answer: D) Time management. 22. How many Desktop Operating system versions/editions are there? A) Only 1. B) 3. C) Many. D) 2. Show Answer Correct Answer: C) Many. 23. Notification area is situated on the left side of the taskbar. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. What is the kernel? A) The program that loads the operating system. B) The software that handles how much power the computer will use for each program. C) The program that lets you open the apps on your computer. D) It is a game which you can play on your computer. Show Answer Correct Answer: B) The software that handles how much power the computer will use for each program. 25. There are two main types of semaphores A) Counting semaphore. B) Binary semaphore. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 26. A COMPUTER INTERPRETS THE INSTRUCTIONS GIVEN BY A WITH THE HELP OF AN A) LANGUAGE PROCESSOR. B) OPERATING SYSTEM. C) DEVICE DRIVER. D) UTILITY SOFTWARE. Show Answer Correct Answer: B) OPERATING SYSTEM. 27. Choose the Microsoft Operating System A) Windows. B) Android. C) Linux. D) MAC OS X. Show Answer Correct Answer: A) Windows. 28. Mac os is an example of A) Network os. B) Real time. C) Distributed os. D) Batch os. Show Answer Correct Answer: A) Network os. 29. What is the main function of the command interpreter? A) To get and execute the next user-specified command. B) To provide the interface between the API and application program. C) To handle the files in operating system. D) None of the mentioned. Show Answer Correct Answer: A) To get and execute the next user-specified command. 30. The locality of reference that stores current data or instruction that is being fetched into cache is known as: A) Cache hit. B) Temporal locality of reference. C) Cache reference. D) Spatial locality of reference. Show Answer Correct Answer: B) Temporal locality of reference. 31. Eight bits of data refers to A) Byte. B) Kilobits. C) Nibble. D) None of these. Show Answer Correct Answer: A) Byte. 32. 9 The two steps the operating system takes to use a disk to hold its files are ..... and ..... A) Logical formatting & swap space creation. B) Swap space creation & caching. C) Partitioning & logical formatting. D) Caching & logical formatting. Show Answer Correct Answer: C) Partitioning & logical formatting. 33. A computer cannot "boot" if it does not have the ..... A) Operating system. B) Compiler. C) Loader. D) Assemble. Show Answer Correct Answer: A) Operating system. 34. Which scheduling policy is best suited for time-sharing operating systems? A) Shortest Job First. B) Round Robin. C) FCFS. D) Elevator. Show Answer Correct Answer: D) Elevator. 35. How do you change a file name? A) Right-click on the file and choose 'Change'. B) Insert the file into the recycle bin. C) Open the file and change it. D) Create a new file by removing the file. Show Answer Correct Answer: A) Right-click on the file and choose 'Change'. 36. ..... HAS THE CAPABILITY TO PRIORITISE THE PROCESSES, MINIMISE THE EXECUTION TIME AND WORK INDEPENDENTLY WITH NO INTERDEPENDENCIES A) LTOS. B) RTOS. C) Ptos. D) STACK. Show Answer Correct Answer: B) RTOS. 37. The computer operating system interface is divided into two, what are that? A) Graphical User Interface & Command Line Interface. B) Grafical User Interface & Command Line Interface. C) Graphical User Interpreter & Command Line Interpreter. D) Graphical User Interface & Comand Line Interface. Show Answer Correct Answer: A) Graphical User Interface & Command Line Interface. 38. The operating system used on Apple PCs. A) MacOS. B) IOS. C) Windows. D) Android. Show Answer Correct Answer: A) MacOS. 39. Which of the following is true about microkernel architecture? A) All OS services run in kernel space. B) It is less secure than monolithic kernels. C) Only essential components run in kernel space. D) Device drivers are embedded inside the kernel. Show Answer Correct Answer: C) Only essential components run in kernel space. 40. What is the tab that added to Windows 8? A) Chome Bars. B) Charms Bars. C) Cherms Bars. D) Cream bars. Show Answer Correct Answer: B) Charms Bars. 41. What is a shortcut on the desktop? A) A file that cannot be opened directly. B) An icon for quick access to files, folders or applications. C) A temporary storage space for removed files. D) A folder that incorporates all desktop items. Show Answer Correct Answer: B) An icon for quick access to files, folders or applications. 42. Operating systems allow you to interact with various devices A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 43. The following is not an operating system is ..... A) Microsoft Access. B) Windows NT. C) LINUX. D) Windows ME. Show Answer Correct Answer: A) Microsoft Access. 44. A computer is useless without the operating system? True/False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 45. It is a software code that reside in central core of OS. It has complete control over system. A) Kernel. B) System call. C) Boot loader. D) Bios. Show Answer Correct Answer: A) Kernel. 46. Why is it important to keep the operating system up to date? A) Because it's the law. B) To protect your computer form malware. C) To avoid buying a new one. D) To impress your friends. Show Answer Correct Answer: B) To protect your computer form malware. 47. What type of Software is needed to control the computer's hardware? A) Bespoke Software. B) Programming Software. C) Systems Software. D) Application Software. Show Answer Correct Answer: C) Systems Software. 48. Which option of the command 'cd' use the actual filesystem path for cd ..... and the value of pwd? A) -P. B) -l. C) -L. D) -p. Show Answer Correct Answer: A) -P. 49. To manage processor, memory and I/O device, we are need ..... A) Operating System. B) CPU. C) Inter process communication. D) None of the above. Show Answer Correct Answer: A) Operating System. 50. The ..... consists of all processes whose memory images are in the backing store or in memory and are ready to run. A) CPU. B) Secondary Storage. C) Both. D) Neither. Show Answer Correct Answer: D) Neither. 51. PYTHON IS DEVELOPED BY ..... ? A) CHARLES BABBAG. B) Godfried. C) Guido Van Rossum. D) None of the above. Show Answer Correct Answer: C) Guido Van Rossum. 52. Processor scheduling is one of the functions managed by the OS. Which one is a scheduling method used by the scheduler A) Round To It. B) Round Table. C) Round Robin. D) None of the above. Show Answer Correct Answer: C) Round Robin. 53. A brand new computer from a factory line can do ..... without software. A) Everything. B) Anything. C) Something. D) Nothing. Show Answer Correct Answer: D) Nothing. 54. What is Scheduling? A) Allowing a job to use the processor. B) Making proper use of processor. C) All of the mentioned. D) None of the mentioned. Show Answer Correct Answer: A) Allowing a job to use the processor. 55. The layers in systems are in order: A) OS, Applications, Organization, VLSI, Transistors. B) VLSI, Organization, OS, Applications, Transistors. C) Applications, OS, Organization, VLSI, Transistors. D) Organization, OS, Applications, VLSI, Transistors. Show Answer Correct Answer: C) Applications, OS, Organization, VLSI, Transistors. 56. What does Layered Architecture promote? A) Single-layered systems. B) Direct interaction between all layers. C) Complexity in system design. D) Separation of concerns. Show Answer Correct Answer: D) Separation of concerns. 57. The primary storage component of a computer which holds all software and data. A) Hard Drive. B) RAM. C) Gadgets. D) CD-ROM. Show Answer Correct Answer: A) Hard Drive. 58. One of the capabilities of operating systems:The computer is capable of operating multiple applications at the same time. A) Multi-threading. B) Multiprocessing. C) Multi-user. D) Multitasking. Show Answer Correct Answer: D) Multitasking. 59. What is an Intranet? A) The same as an Extranet. B) A local or restricted network only accessible to users within an organization. C) The same as the World Wide Web. D) The same as the Internet. Show Answer Correct Answer: B) A local or restricted network only accessible to users within an organization. 60. Determining the perspective of the image is the program band.Which option A) Details. B) List. C) Tiles. D) Content. 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