This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Computer Science > Operating System > Class 7 Computer Science Chapter 2 Operating System – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False:A Browser is an example of a software program or application. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. How can you see all files? A) Remove all files to clearly look at them. B) Use the command prompt to hide the files. C) Reach only through the web browser to the files. D) Open the file explorer or use the search to see all files. Show Answer Correct Answer: D) Open the file explorer or use the search to see all files. 3. The operating system is an application program that exists on every computer.What is the task of the operating system ..... A) Doubling the file. B) Memindai File. C) Provide files. D) Contains various programs. Show Answer Correct Answer: D) Contains various programs. 4. External fragmentation will not occur when: A) First fit, best fit, or worst fit are used. B) No matter which algorithm is used, it will always occur. C) Both. D) Neither. Show Answer Correct Answer: C) Both. 5. What is the short key for REBOOT? A) Alt + part. B) Alt + part. C) Of the. D) Ctrl + alt + of. Show Answer Correct Answer: D) Ctrl + alt + of. 6. Sjf is used in batch or interactiva A) Interactive. B) Batch. C) All the above. D) None of the above. Show Answer Correct Answer: B) Batch. 7. Which of these is NOT a characteristic of a Network operating system? A) It runs multi-user applications. B) It supports multiple users. C) It provides increased security compared to desktop operating systems. D) It is for use in a SOHO environment. Show Answer Correct Answer: D) It is for use in a SOHO environment. 8. Displays a list of document used by the current use A) My Documents. B) All Programs. C) All the above. D) None of the above. Show Answer Correct Answer: A) My Documents. 9. The operating system manages the input and output peripherals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. What basis are the types of operating systems classified on? A) Number of users. B) Tasks supported at a time. C) User interface. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. In virtual memory, RAM is split into fixed size partitions called: A) Segment. B) Page Frame. C) Page Table. D) Block. Show Answer Correct Answer: B) Page Frame. 12. ..... displays the battery status, volume, data and time etc. A) Start button. B) Task view. C) System tray. D) None of the above. Show Answer Correct Answer: C) System tray. 13. Dividing tasks so that the Operating System appears to multitask is dealt with under: A) Memory Management. B) Peripheral Management. C) Processor Management. D) File Management. Show Answer Correct Answer: C) Processor Management. 14. The first screen you see after you turn on a computer is ..... A) Taskbar. B) Desktop. C) Icon. D) None of the above. Show Answer Correct Answer: B) Desktop. 15. Which of the following best describes a Command Line Interface (CLI)? A) An interface that uses icons and images. B) An interface that requires text commands. C) An interface that uses voice commands. D) An interface that presents options as menus. Show Answer Correct Answer: B) An interface that requires text commands. 16. Which of the following devices can be used to input printed text? A) OCR. B) OMR. C) MICR. D) All of these. Show Answer Correct Answer: A) OCR. 17. What can be seen on Notification Area? A) Time and date. B) Windows action center. C) Money. D) None of the above. Show Answer Correct Answer: A) Time and date. 18. Which is the tool that manages how software and hardware work together and talk to each other A) Internet. B) Extranet. C) Operating System. D) Intranet. Show Answer Correct Answer: C) Operating System. 19. Which of the followings is not GUI operating system? A) Windows. B) Linux. C) IOS. D) OF THE. Show Answer Correct Answer: D) OF THE. 20. Which serviceof os provides dead lock handling? A) Program Execution. B) Security. C) File Managment. D) None of the above. Show Answer Correct Answer: A) Program Execution. 21. The command 'hash' A) Manages a internal hash table. B) Find and remember the full path name of the specified command. C) Displays used command names and the number of hits. D) All of the mentioned. Show Answer Correct Answer: D) All of the mentioned. 22. An un-interrupted unit is known as A) Atomic. B) Single. C) Static. D) None. Show Answer Correct Answer: A) Atomic. 23. What is the purpose of system protection in an operating system? A) To prevent unauthorized access to system resources. B) To maintain power supply. C) To back up the file system regularly. D) To ensure high-speed computation. Show Answer Correct Answer: A) To prevent unauthorized access to system resources. 24. What is the purpose of an operating system? A) Manage software on computer. B) Manage hardware on computer. C) Manage all hardware & software on computer. D) None of the above. Show Answer Correct Answer: C) Manage all hardware & software on computer. 25. What is the first bar in a window called? A) Icon bar. B) Toolbar. C) Title bar. D) None of these. Show Answer Correct Answer: C) Title bar. 26. What is called the starting up on operating system? A) Formatting. B) Booting. C) Entering. D) Starting. Show Answer Correct Answer: B) Booting. 27. A file extension of doc. means that the file can be opened by what program? A) Microsoft Word. B) Microsoft Powerpoint. C) Microsoft Excel. D) Microsoft Access. Show Answer Correct Answer: A) Microsoft Word. 28. What is Discretionary Access Control (DAC)? A) Allows resource owners to define access. B) Enforces strict access rules defined by the OS. C) Grants access based on user roles. D) Uses dynamic attributes to grant access. Show Answer Correct Answer: A) Allows resource owners to define access. 29. The taskbar is used tor A) Navigation program. B) Switching between program. C) Start a program. D) All of these. Show Answer Correct Answer: D) All of these. 30. An operating system is the software that controls all the hardware. It acts as an ..... between the user and the hardware and also between applications and the hardware. A) Hardware. B) Operator. C) Application. D) Interface. Show Answer Correct Answer: D) Interface. 31. Function application software is ..... A) Run tasks like the operating systems, utilities, etc. B) Help the user run specific tasks like word processors, web browser, email, clients, games, etc. C) Run tasks like the doing my homework, revision, etc. D) Help the user run things down. Show Answer Correct Answer: B) Help the user run specific tasks like word processors, web browser, email, clients, games, etc. 32. During your systems boot process what is the first thing that happens. A) The BIOS boots the computer using the first drive that contains a valid boot sector. B) The code in the "Boot Sector" is executed. C) WINLOGIN.EXE displays the windows welcome screen. D) POST occurs. Show Answer Correct Answer: D) POST occurs. 33. Complex scheduling algorithms ..... A) Are very appropriate for very large computers. B) Use minimal resources. C) Use many resources. D) All of the mentioned. Show Answer Correct Answer: A) Are very appropriate for very large computers. 34. Which of the following is false related to Deadlock prevention? A) Violating Mutual exclusion condition. B) Violating non preemption. C) Violating hold and weight. D) Violating circular weight. Show Answer Correct Answer: A) Violating Mutual exclusion condition. 35. Where is the Action Center? A) Windows 8. B) Windows Vista. C) Windows 7. D) Windows 10. Show Answer Correct Answer: D) Windows 10. 36. Which of the following tasks is/are the responsibility/responsibilities of the memory management unit (MMU) in a system with paging-based memory management? A) All of the above. B) Translate a virtual address to a physical address using the page table. C) Raise a trap when a virtual address is not found in the page table. D) Raise a trap when a process tries to write to a page marked with read-only permission in the page table. Show Answer Correct Answer: A) All of the above. 37. What is the term for the time interval required to process and respond to inputs in a Real-Time OS? A) Turnaround Time. B) Execution Time. C) Response Time. D) Processing Time. Show Answer Correct Answer: C) Response Time. 38. Which is task of an operating system among follow tasks A) Manages files and folders. B) Handles input and output. C) Manages system security. D) All of these. Show Answer Correct Answer: D) All of these. 39. Types of operating systems whose source code is open to the public so that it can be developed individually A) Closed OS. B) Open Source. C) Closed Source. D) Open OS. Show Answer Correct Answer: B) Open Source. 40. What does an operating system manage and control on a computer or mobile device? A) The weather. B) Hardware and software. C) Television shows. D) Recipe books. Show Answer Correct Answer: B) Hardware and software. 41. Running multiple programs at the same time is called A) Multitasking. B) Foreground tasking. C) Symmetric. D) Single tasking. Show Answer Correct Answer: A) Multitasking. 42. You should choose the Sleep option when A) The computer is tired after working for the whole day. B) You are leaving for a very short time and want to resume your work shortly. C) When the computer gets hanged frequently. Let it sleep for some time. D) You finish wanting and going to bed. Show Answer Correct Answer: B) You are leaving for a very short time and want to resume your work shortly. 43. The replaced block in RAM need to be written back to swap space. This is called: A) Swap in. B) Swap out. C) Demand paging. D) All of these. Show Answer Correct Answer: B) Swap out. 44. Windows 7 is more attractive with a complete set of new pictures, themes and icons A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 45. ..... is a interface between user and computer A) Operating System. B) Software. C) Hardware. D) None of above. Show Answer Correct Answer: A) Operating System. 46. ..... is the core that controls all other programs> A) Device Driver. B) User Interface. C) Kernel. D) System Utilities. Show Answer Correct Answer: C) Kernel. 47. This piece of software is used to control hardware devices and allow an Operating System to make use of the hardware (7-9) A) Device System. B) Device Management. C) Device Driver. D) Hardware Peripheral Device. Show Answer Correct Answer: C) Device Driver. 48. In the non blocking send ..... A) The sending process keeps sending until the message is received. B) The sending process sends the message and resumes operation. C) The sending process keeps sending until it receives a message. D) None of the mentioned. Show Answer Correct Answer: B) The sending process sends the message and resumes operation. 49. Race-Conditions can be overcome by: A) System calls. B) Synchronization between applications. C) Interface. D) IPC. Show Answer Correct Answer: B) Synchronization between applications. 50. Discuss the different types of network operating systems. A) Windows and Mac. B) Peer-to-peer and client-server. C) LAN and WAN. D) Linux and Android. Show Answer Correct Answer: B) Peer-to-peer and client-server. 51. An.mp4 file would be for? A) Music. B) Video. C) Text. D) Image. Show Answer Correct Answer: B) Video. 52. When does page fault occur? A) The buffering occurs. B) The deadlock occurs. C) The page does not present in memory. D) The page is present in memory. Show Answer Correct Answer: C) The page does not present in memory. 53. Files, folders, or programs on the desktop can be opened by ..... on them. A) Clicking. B) Right-clicking. C) Pressing Enter key. D) Double-clicking. Show Answer Correct Answer: D) Double-clicking. 54. Which Operating System function ensures any device can be used with the operating system, as long as a driver is available for it? A) Memory Management. B) File Management. C) User Management. D) Peripheral Management. Show Answer Correct Answer: D) Peripheral Management. 55. Which of the following is a feature of a network operating system? A) It allows multiple users to access resources over a network. B) B) It is used only for personal use. C) C) It can only run on a single computer. D) D) It does not allow remote access. Show Answer Correct Answer: A) It allows multiple users to access resources over a network. 56. We need to use My Computer to install/uninstall a Software. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 57. In a future where advanced AI governs the digital landscape, which operating system has become obsolete and is rarely used by the populace? A) Linux. B) Mac. C) OF THE. D) Windows. Show Answer Correct Answer: C) OF THE. 58. It was developed in 1970s when microcomputers was introduced A) OF THE. B) Unix/Linux. C) Machintosh's OS X/OS2. D) Windows. Show Answer Correct Answer: A) OF THE. 59. Select the purpose of system call in Operating System A) Accept input and provide output by generating voice prompts. B) Program can request a service from an operating system's kernel. C) Allow user to interact with electronic devices using images rather than text commands. D) Allow putting jobs in a buffer, a special area in memory or on a disk where a device an access them when it is ready. Show Answer Correct Answer: B) Program can request a service from an operating system's kernel. 60. Which of the following types of operating system installation is not true? A) New installation. B) Upgrade installation. C) Boot-a-side installation. D) Artificial installation. Show Answer Correct Answer: D) Artificial installation. ← 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