Computer Operator
Operating System – Set 2
Dear ! This is Operating System – Set 2 Quiz and it contains 50 questions.
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1. Which command in DOS can be used to recover accidentally deleted files?
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2. Which command is used to copy all files from drive a with extension .txtt to the currently logged drive and directory?
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3. Which command used to undelete delete a bunch of files with extension .doc that you have just deleted?
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4. Which command is used to change the file name?
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5. Which of the following file names are invalid in MSDOS?
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6. Which command used to see the disk volume lebel?
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7. In which storage replacement strategy a program is placed in a largest hole in memory ?
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8. In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with?
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9. The vol command used to?
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10. ……system is built directly on the hardware?
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11. ….interface consists of things like program counter,registers,interruts and terminals?
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12. The directory found in most UNIX systems is
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13. Which command is used to see the version/display the version?
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14. While working with MS-DOS, which command is used to copying the files to transfer from one Disk to another?
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15. Which command used to see the contents of a file?
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16. The operating system creates….from the physical computer?
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17. Which is the valid fie name assign in MS-DOS?
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18. Which switch should be used in the DIR command to veiw files in all directories?
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19. ……is the layer of a computer system between the hardware and the user program?
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20. Which statement is valid about “TIME” command?
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21. The primary purpose of an operating system is…….?
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22. ….interface consists of things like program counter,registers,interruts and terminals?
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23. Which of the following statements in regard to directories is false?
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24. The time command is used to display_____time?
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25. While working with MS-DOS which command is used to copy all files with extension .txt into one file named all .txt?
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26. RESTORE command is used to?
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27. Which is the valid extension that user creates on operating system?
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28. Which command displays the list of all previous commands entered by the used?
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29. …..is used in operating system to separate mechanism from policy?
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30. What is the switch that is used to make sure that the copy command copied files correctly?
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31. Which command used to display a list of deleted files that DOS can undelete?
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32. Which file in MSDOS contain internal command that are loaded during booting process?
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33. Which command is used to set a name to a disk in DOS?
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34. ……runs on computer hardware and serve a plaform for other spftware to run on?
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35. Which command used to provide access to files located in other dirctories or disks?
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36. Multiprogramming system?
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37. What working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?
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38. Which command is used to create root directory and FAT on disk?
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39. What will be the output of the command prompt $l$p$g?
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40. What is the name of the batch file that is automatically run when MSDOS is booted?
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41. Which was the last version of MSDOS that was released separately?
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42. Swapping?
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43. Which among the following are the best tools for fixing errors on disks?
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44. ….is the first program run on a computer when the computer boots up?
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45. While working with MS-DOS which command is used to more file from one directory to another?
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46. Which command is used to delete all the files extension .txt on the current drive and directory?
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47. Which command used to delete all the files in the root directory of drive a?
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48. ……share characteristics with both hardware and software?
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49. To display the list of all the file of the disk you would type?
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50. Which command used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information?
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