This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... is a program object that prevents simultaneous access to a shared resource. A) Mutual Exclusion. B) Race Condition. C) Starvation. D) No Preemption. Show Answer Correct Answer: A) Mutual Exclusion. 2. Security management ..... A) Checks files can be written to and from the secondary storage. B) Sends data to and from IO devices. C) Puts data onto the right place in the primary storage. D) Schedules jobs for the CPU. E) Lets users access their personal accounts. Show Answer Correct Answer: E) Lets users access their personal accounts. 3. The ability to run more than one program or application simultaneously is called? A) Multiplayer. B) Multitasking. C) Multiprogram. D) Multi-talent. Show Answer Correct Answer: B) Multitasking. 4. The ability for different people to use the same computer is made possible through: A) User accounts. B) Desktop elements. C) Open-source software. D) Settings app. Show Answer Correct Answer: A) User accounts. 5. The English equivalent term of "operating system" is A) Operating system. B) Configuration system. C) All the above. D) None of the above. Show Answer Correct Answer: A) Operating system. 6. What is one reason there is a greater percentage of Windows users than Mac OS X? A) More expensive. B) Not as good. C) Bad reviews. D) Do not meet the individual needs. Show Answer Correct Answer: A) More expensive. 7. A group of computers that share resources are called what? A) A personal computer. B) A network. C) A server. D) A router. Show Answer Correct Answer: B) A network. 8. Which of the following is not a valid image format? A) JPG. B) BMP. C) DOC. D) GIF. Show Answer Correct Answer: C) DOC. 9. Increasing the RAM of a computer typically improves performance because A) Virtual memory increases. B) Fewer page faults occur. C) Larger RAMs are faster. D) Fewer segmentation faults occur. Show Answer Correct Answer: B) Fewer page faults occur. 10. A program that helps the computer hardware to work with other computer software. A) Operating System. B) Icons. C) Hardware. D) Software. Show Answer Correct Answer: A) Operating System. 11. A ..... is a group of web pages that are connected together. A) Blog. B) Wiki. C) Web log. D) Website. Show Answer Correct Answer: D) Website. 12. Which type of operating system allows different modules of a program to run at the same time? A) Multitasking. B) Multiprocessing. C) Multi-user. D) Multithreading. Show Answer Correct Answer: D) Multithreading. 13. A complex scheduling algorithm that deals with tasks based on a set of priorities and rules A) Multi-Level Feedback Queue. B) First Come First Serve. C) Shortest Job First. D) Round Robin. Show Answer Correct Answer: A) Multi-Level Feedback Queue. 14. Extremely fast computer which can perform hundreds of millions of instructions every second A) Supercomputer. B) Software. C) Hardware. D) Computer. Show Answer Correct Answer: A) Supercomputer. 15. Microsoft Word, Adobe Acrobat and CorelDraw are programs or ..... A) Applicators. B) Appliers. C) Applications. D) None of the above. Show Answer Correct Answer: C) Applications. 16. It is an interface between the hardware and the software. A) Monitor. B) Operating System. C) All the above. D) None of the above. Show Answer Correct Answer: B) Operating System. 17. Which one below is for Laptop only? A) Sleep. B) Shut down. C) Hibernate. D) None of the above. Show Answer Correct Answer: C) Hibernate. 18. Can we change the location of the taskbar on the screen? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 19. What software that is used to run a hardware? A) Operating system. B) Device Driver. C) All the above. D) None of the above. Show Answer Correct Answer: B) Device Driver. 20. What is the primary function of an operating system (OS) on a computer? A) Managing computer hardware. B) Managing computer software. C) Allowing communication with the computer. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. What is the primary purpose of memory segmentation in operating systems? A) To divide memory into fixed-size pages. B) To allow processes to access memory in a logical manner. C) To improve disk access speed. D) To manage CPU scheduling. Show Answer Correct Answer: B) To allow processes to access memory in a logical manner. 22. Inter process communication is achieved through A) Shared memory. B) Pipe. C) Buffer. D) Shared memory and Pipe. Show Answer Correct Answer: D) Shared memory and Pipe. 23. Which type of operating system allows running multiple programs at the same time? A) Multiprocessing. B) Multithreading. C) Multi-user. D) Multitasking. Show Answer Correct Answer: D) Multitasking. 24. The process of continually refilling a buffer to transfer data between sender and receiver is known as A) Batch processing. B) Spooling. C) Buffer control. D) Spilling. Show Answer Correct Answer: B) Spooling. 25. The most effective technique to keep dispatch latency low is to ..... A) Provide preemptive kernels. B) Provide preemptive kernels. C) Provide non preemptive kernels. D) Run less number of processes at a time. Show Answer Correct Answer: A) Provide preemptive kernels. 26. What does IP stand for? A) Internet Protocols. B) Internet Protected. C) Internet Protocol. D) Internet Protection. Show Answer Correct Answer: C) Internet Protocol. 27. Which of these devices can have an MULTI USER operating system? A) Smartphone. B) Simple mobile phone. C) Mainframe. D) Personal computer. Show Answer Correct Answer: C) Mainframe. 28. OS acts as ..... that decides between conflicting requests for efficient and fair resource use A) Control program. B) Interface. C) Resource Manager. D) Bootstrap program. Show Answer Correct Answer: C) Resource Manager. 29. 8) The instruction being executed, must be in ..... A) Physical memory. B) Logical memory. C) Physical & logical memory. D) None of the mentioned. Show Answer Correct Answer: A) Physical memory. 30. What is an Operating System (OS)? A) System software that manages computer hardware and software resources. B) A type of malware that affects computer performance. C) A hardware component that stores data. D) A programming language used for system development. Show Answer Correct Answer: A) System software that manages computer hardware and software resources. 31. Which of these devices can have an MULTI-TASKING operating system? A) Laptop. B) Simple mobile phone. C) Microwave oven. D) Playstation 4. Show Answer Correct Answer: A) Laptop. 32. The Long-Term Scheduler executes when a process leaves the A) READY QUeue. B) CPU. C) System. D) I/o DEvice. Show Answer Correct Answer: C) System. 33. In the Zero capacity queue ..... A) The queue can store at least one message. B) The sender blocks until the receiver receives the message. C) The sender keeps sending and the messages don't wait in the queue. D) None of the mentioned. Show Answer Correct Answer: B) The sender blocks until the receiver receives the message. 34. One of the operating system's functions is peripheral management. What is meant by a "peripheral" ? A) A type of printer. B) Any additional hardware device. C) Files and folders. D) The user. Show Answer Correct Answer: B) Any additional hardware device. 35. What is the smallest unit of data in a computer? A) Bit. B) Byte. C) All the above. D) None of the above. Show Answer Correct Answer: A) Bit. 36. An operating system is a/an A) Accounting software. B) Application software. C) System software. D) Utility software. Show Answer Correct Answer: C) System software. 37. What does an operating system do on a computer? A) It plays games. B) It helps manage the computer's hardware and software. C) It makes phone calls. D) It takes photos. Show Answer Correct Answer: B) It helps manage the computer's hardware and software. 38. Examples of Multi user operating system A) Unix. B) MAC OS. C) Windows X. D) None of the above. Show Answer Correct Answer: A) Unix. 39. True or False:Microsoft Word is an application software developed by Macintosh Company. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 40. What does this describe? Parts of a program divided into equal size pieces using physical divisions A) Paging. B) Segmentation. C) Virtual memory. D) Partitioning. Show Answer Correct Answer: A) Paging. 41. If you want to record on the paper of what you are doing, you'll need a ..... A) Keyboard. B) Printer. C) Calculator. D) Monitor. Show Answer Correct Answer: B) Printer. 42. Which of the following is required to create Apple iOS apps? A) SDK. B) Google IDE. C) Xcode. D) Apple Development. Show Answer Correct Answer: C) Xcode. 43. Message passing system allows processes to ..... A) Communicate with each other without sharing the same address space. B) Communicate with one another by resorting to shared data. C) Name the recipient or sender of the message. D) Share data. Show Answer Correct Answer: A) Communicate with each other without sharing the same address space. 44. In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to? A) Terminated state. B) Suspended state. C) Blocked state. D) Ready state. Show Answer Correct Answer: D) Ready state. 45. How would you describe an operating system that is able to execute many programs simultaneously? A) Recurring. B) Real-time processing. C) Multi-tasking. D) Embedded. Show Answer Correct Answer: C) Multi-tasking. 46. Which of the following is not a file system for a Windows operating system? A) Falza. B) GFS. C) NTFS. D) FAT. Show Answer Correct Answer: B) GFS. 47. One of the capabilities of operating systems:Two or more users have individual accounts that allow them to work with programs and peripheral devices at the same time. A) Multi-user. B) Multitasking. C) Multithreading. D) Multiprocessing. Show Answer Correct Answer: A) Multi-user. 48. The process page table is sorted according to: A) Present bit. B) Dirty bit. C) Page frame number. D) Block number. Show Answer Correct Answer: D) Block number. 49. Write True or False for the following:Under Edit menu you can rename the file. A) True. B) No comments. C) False. D) None of the above. Show Answer Correct Answer: C) False. 50. How much processor speed needed to run windows XP operating system? A) 233 MHz. B) 133 MHz. C) 800 MHz. D) None of the above. Show Answer Correct Answer: A) 233 MHz. 51. Which of the following is not a method to start an App? A) Using The Start menu. B) Using all apps List. C) Using Search Box. D) Using Ctrl key. Show Answer Correct Answer: D) Using Ctrl key. 52. What is the purpose of a Reference Monitor? A) To mediate all access requests between users and system resources. B) To enhance the graphical user interface. C) To manage hardware resources. D) To provide user training. Show Answer Correct Answer: A) To mediate all access requests between users and system resources. 53. A highly specialised, often quite limited and cut down operating system design to fit inside a certain type of machine A) Multi-user OS. B) Multi-tasking OS. C) Distributed OS. D) Embedded OS. Show Answer Correct Answer: D) Embedded OS. 54. What is the primary goal of an operating system? A) To respond to input immediately. B) To coordinate multiple programs. C) To provide a user interface. D) To manage computer resources. Show Answer Correct Answer: D) To manage computer resources. 55. In a multi-threaded environment, what is the primary function of a mutex? A) To allow multiple threads to run simultaneously. B) To prevent race conditions. C) To manage memory allocation. D) To schedule threads for execution. Show Answer Correct Answer: B) To prevent race conditions. 56. Which section of process memory is made up of program code A) Text. B) Data. C) Stack. D) Heap. Show Answer Correct Answer: A) Text. 57. What is virtual memory A) Cache. B) When you can visualise a dream. C) When a section of primary memory is used as secondary. D) When a section of the hard disk is used as primary memory. Show Answer Correct Answer: D) When a section of the hard disk is used as primary memory. 58. Which of the following is the structural element of GUI? A) POINTER. B) CURSOR. C) ICONS. D) TEXT BOXES. Show Answer Correct Answer: C) ICONS. 59. Logical extension of multiprogramming operating system is A) Time sharing. B) Multi-tasking. C) Single programing. D) Both time-sharing and multi-tasking. Show Answer Correct Answer: D) Both time-sharing and multi-tasking. 60. What does an operating system primarily allocate among computer resources? A) Data and information. B) Memory, processors, and devices. C) Network protocols and security features. D) Software applications and tools. Show Answer Correct Answer: B) Memory, processors, and devices. ← 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 8Class 7 Computer Science Chapter 2 Operating System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books