[ NOC 5th level ] Operating System Note [ Nepal Oil Corporation 5th level ] नेपाल आयल निगम लिमिटेड वरिष्ठ सहायक ( कम्प्यूटर )

Anil Pandit
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1. Which of the following is a primary function of an operating system?






2. What does the OS manage in memory management?






3. The OS acts as an intermediary between hardware devices and software applications in which of the following functions?






4. Which of the following ensures that only authorized users can access system resources?






5. What type of operating system allows multiple programs to run simultaneously?






6. Which of the following is NOT a type of operating system?






7. In process management, what resource is primarily allocated by the operating system?






8. What type of operating system is specifically designed for mobile devices?






9. Which of the following is an example of a multitasking operating system?






10. In a distributed operating system, how do distinct computers appear?






11. What kind of operating system is used in embedded systems where timing is critical?






12. Which of the following is an example of a file system management task?






13. Which of the following operating systems is open-source and Unix-like?






14. What type of operating system is Google’s Kubernetes classified as?






15. Which operating system is known for its wide use in personal computers?






16. Which function of the operating system is responsible for providing a user interface (UI)?






17. In a network operating system, what service is commonly provided?






18. Which operating system is specifically designed for timing-critical applications such as medical systems?






19. Which of the following is a key benefit of an operating system in resource management?






20. Which of the following is an example of a real-time operating system?






21. Which of the following operating systems processes jobs in batches without direct interaction from users?






22. Which type of operating system allows multiple users to use the system at the same time by dividing CPU time among them?






23. In which type of operating system does a group of independent computers appear as a single system to users?






24. Which type of operating system is designed for real-time processing, with strict timing requirements?






25. What is a key feature of a Network Operating System (NOS)?






26. Which type of operating system allows the execution of multiple programs by utilizing multiple processors?






27. Which of the following is an example of a multitasking operating system?






28. What is the primary purpose of an embedded operating system?






29. Which operating system allows multiple users to access a system simultaneously?






30. Which mobile operating system is commonly used in smartphones?






31. Which of the following is a Unix-like operating system known for its multi-user and multitasking capabilities?






32. What is a key feature of cloud-based operating systems?






33. What is the primary role of process management in an operating system?






34. Which of the following is a function of memory management?






35. What is file system management responsible for?






36. Which operating system function ensures that processes can communicate and share resources without interference?






37. What is the main purpose of device management in an OS?






38. What is the function of user authentication in operating systems?






39. What is an example of a job scheduling function in an operating system?






40. Which of the following is NOT a function of security and access control in an OS?






41. Which function of an operating system is responsible for handling user commands in a CLI-based system?






42. What is a key feature of multitasking in an operating system?






43. Which function involves the OS detecting hardware or software malfunctions?






44. What is the primary function of boot management in an operating system?






45. Which of the following is a function of virtualization management in modern operating systems?






46. Which operating system function allocates memory and prevents one process from interfering with another?






47. Which function of the OS ensures that jobs are executed based on priority and resource availability?






48. What is the primary interface used in DOS?






49. Which company developed MS-DOS, the most popular version of DOS?






50. Which of the following is NOT a feature of DOS?






51. What is the function of the DIR command in DOS?






52. Which of the following commands is used to format a disk in DOS?






53. Which of these DOS versions was developed by IBM?






54. What is a batch file in DOS?





55. Which command is used to change the current directory in DOS?






56. What was the main limitation of early versions of DOS in terms of task handling?






57. Which DOS version was created by Digital Research and offered similar functionality to MS-DOS?






58. What was the primary role of DOS in the history of computing?






59. Which DOS command is used to check for disk errors?






60. Which of the following features allowed DOS users to automate a series of commands?






61. DOS was replaced by more advanced operating systems because of its lack of support for which key feature?






62. Which version of DOS is still useful in modern systems through the Windows Command Prompt?





63. What is an internal command in DOS?






64. Which of the following is a characteristic of internal commands?






65. Which command is used to change the current working directory in DOS?






66. What does the CLS command do in DOS?






67. Which internal command would you use to display the contents of a text file?






68. What is an external command in DOS?






69. Which of the following is true about external commands?






70. Which command would you use to format a disk in DOS?






71. What does the CHKDSK command do in DOS?






72. Which of the following commands is used to create a duplicate copy of a disk?






73. What file extension is commonly associated with external DOS commands?






74. Which external command allows you to back up files and directories?






75. What is the main disadvantage of external commands compared to internal commands?






76. What does the EDIT command do?






77. What is the purpose of the PATH command in DOS?






78. What is a file?






79. What character typically indicates the file type in a file name?






80. Which of the following is an example of a file type?






81. What does a directory do?






82. What is an absolute pathname?






83. Which wildcard represents one or more characters in a file name?






84. What does the ? wildcard do in DOS?






85. Which wildcard would you use to select files named file1.txt, file2.txt, but not file12.txt?






86. What is the primary benefit of using wildcards?






87. What is the primary function of Windows as an operating system?






88. Which Windows version introduced the Start menu?






89. What feature was emphasized in Windows XP?






90. Which version of Windows focused on multimedia features for home users?






91. What significant change was introduced in Windows 8?






92. Which version of Windows is known for its redesigned interface and focus on gaming?






93. What action is typically performed by a single click of the mouse?






94. What happens when you right-click on an object in the Windows environment?






95. Which of the following is NOT a function of the mouse in Windows?






96. In Windows applications, what is typically found in the menu bar?






97. How do you minimize a window in the Windows environment?






98. Which keyboard shortcut can be used to close a window?






99. What effect does dragging the title bar of a window have?






100. To auto-hide the taskbar, which option should you toggle on?






101. How do you open the Calculator in Windows?






102. Which mode in the Calculator allows for advanced mathematical functions?






103. What is a feature of the Paint utility?






104. What type of files can you create and save using Notepad?






105. How can you access the Windows Help interface?






106. What feature allows you to browse an alphabetical list of help topics in Windows?






107. To find specific help topics using keywords, which tab should you select in the Help window?






108. Where can you typically find the Help button in an application?






109. Which path should you follow to change mouse settings in Windows?






110. What option can you adjust to change how many lines to scroll with each notch of the mouse wheel?






111. To change the screen resolution in Windows, which steps should you take?






112. What does the Control Panel allow you to do in Windows?






113. How can you access Device Manager in Windows?






114. What can you do in Device Manager?






115. What is the purpose of the Task Manager?






116. Which view option in File Explorer shows files and folders as icons?






117. How can you show file extensions in File Explorer?






118. What file extension is commonly associated with text files?






119. Which option allows you to adjust the format for dates and times in Windows?






120. What is the first step in performing a basic search using a file name in Windows File Explorer?






121. How can you perform an exact match search for a file named "report.doc"?






122. What does the asterisk (*) wildcard represent in a search?






123. To search for content within files, which of the following should you type in the search box?






124. Which method allows you to create a shortcut using the Alt key?






125. How can you access the properties of a shortcut?






126. What happens when you delete a shortcut in Windows?






127. To pin a shortcut to the taskbar, you should:






128. What is the first step in installing a modem?






129. How can you uninstall an application in Windows?






130. What should you do to manage startup programs in Windows?






131. To remove hardware safely, what should you do before unplugging it?






132. What command is used to check and fix file system errors in Command Prompt?






133. What is the purpose of defragmenting a hard disk?






134. Which tool in Windows can you use to schedule regular defragmentation?






135. What should you do if performance issues persist after optimization?






136. Which shortcut opens the Windows Settings menu?






137. To add a new user without a Microsoft account, which option should you select?






138. Where do you find the option to create a new group?






139. Which tab do you need to access to add a user to a group?






140. What action does pressing Windows + L perform?






141. To share a file or folder on the network, which option should you choose from the right-click menu?






142. In which section do you find the option to share a printer?






143. What must you do to connect to a network printer?






144. To disable simple file sharing, which setting should be unchecked?






145. What does ACL stand for in the context of file sharing?






146. Where do you go to edit NTFS permissions for a file or folder?






147. Which button allows you to add or remove user permissions in the Security tab?






148. What must you do after making changes to permissions for them to take effect?






149. Which option allows you to configure permissions for a shared folder?






150. To set specific permissions for users or groups in a shared folder, which buttons would you use?






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