DOS MCQ Questions Answers

1. What does DOS stands for?

2. What happens when you type “CD” and press “Enter” key?

3. A program or command to execute automatically when OS starts is kept in which file?

4. DOS is a multitasking operating system.

5. What interface does DOS utilize?

6. DOS uses the File Allocation Table (FAT) file system.

7. What is the full form of DOS?

8. What is DOS?

9. FAT stands for which of the following?

10. Command to create a new directory in MS-DOS?

11. A volume label can be assigned to a disk by using the LABEL command.

12. What is the function of “Ctrl+C” in DOS?

13. Command to list all files in the current directory?

14. Which external command deletes a directory and all the files and subdirectories in it?

15. What action does the MODE command perform?

16. Which file contains commands that configure systems devices?

17. what Keys pressed to perform a warm reboot on a DOS operating system?

18. Which is a key advantage of using batch files?

19. Which one you use to search a file in MS-DOS?

20. Command to clear the screen?

21. What DOS command formats a floppy disk and copies system files to the formatted disk?

22. Which command will copy all files with extension .TXT under the current directory to drive D?

23. Which statement about AUTOEXEC.BAT is true?

24. What action does the DELTREE command perform?

25. What type of OS is MSDOS?

26. Which statement about TSR is true?

27. Which is used to display the list of files and directories starting with 's'?

28. Which command is used to display the disk volume label?

29. Which DOS command will combine file1 and file2 into new file named file3?

30. What function does the MEM command perform?

31. The COPY command:

32. DOS uses the 8.3 filename convention?

33. Which statement about COMMAND.COM is true?

34. Command that will change to the root directory irrespective of the current directory?

35. Which is true about DOSKEY?

36. Which file contains configuration files for the DOS operating system?

37. Which command installs file-sharing and locking capabilities on the hard disk?

38. Which is not a DOS executable extension?

39. Which is true about external command MSD?

40. Which is used to copy all the files stored in floppy disk into the DATA directory of hard disk (c drive)?

41. Command to display the contents of a file?

42. Which pair of command does not perform the same function?

43. RESTORE command is used for which of the following?

44. Which DOS commands provides International keyboard (different countries and language) and character set information?

45. Size limitation of MS-DOS file name and extension?

46. What does formatting a disk mean?

47. Command to list all the files and folders whose name contains TST from second character?

48. Which command will delete a directory?

49. Which command will delete a file?

50. In XCOPY command, What arguiment used for avoiding prompt for overwrite ?

51. Which used to set the name to a disk in DOS?

52. Which will create a bootable floppy disk?

53. Which property in CONFIG.SYS file loads device drivers in the upper memory area?

54. Which is NOT an internal command?

55. Attribute that’ll suppress prompting in the MOVE command

56. 'Active Code Page: 437' is displayed when using this command:

57. The PATH command is typically found in which file?

58. Which command will display the list of all previous commands entered by the user?

59. Which is not displayed by “CHKDSK” command?

60. Which command continuously monitors the computer for viruses?

61. Which external command load country specific information?

62. Which external command file is required to use “format” command?

63. Command to list only the hidden files under the current directory?

64. Which command is syntactically incorrect?

65. Which DOS command will display the name of files in sorted order?

66. Which is the correct load/execution sequence during a DOS boot?

67. What does TSR stand for?

68. What is the order of precedence when COMMAND.COM searches for executable files?

69. Which is NOT an external command?

70. Correct command to transfer a file from one disk to another?

71. What is the first program that gets run after boot?

72. Which command is used in CONFIG.SYS file to specify the number of file-control blocks for file sharing?

73. Which operating systems does not fall under DOS?

74. Which key will bypass CONFIG.SYS and AUTOEXEC.BAT during the boot sequence?

75. Which is true about FASTOPEN?

76. DOS is not a single operating system but several closely related operating systems.

77. Which external command compares two files or sets of files, and displays the differences between them?

78. Which statement about Quick Format is true?

79. Which command displays the directory list including files in tree structure ?

80. In Windows Xp, what is the file equlivalent to CONFIG.SYS ?

81. Which are available in a DOS file system ?

82. Which command copies a folder including all of its subdirectories?

83. The following is an example of an AUTOEXEC.BAT file: @echo off SET SOUND=C:\SOUNDS\SPEAKERS\SOUND SET BLASTER=B320 I2 D1 H5 P330 E620 T6 SET PATH=C:\WINDOWS;C:\ LH C:\WINDOWS\COMMAND\MSCDEX.EXE /D:123 LH C:\MOUSE\MOUSE.EXE DOSKEY CLS What is the purpose of the line LH C:\WINDOWS\COMMAND\MSCDEX.EXE /D:123?

84. Which command will display all the directories of the current directory in ascending order of creation date?

85. Which statements about the DELTREE command are correct?

86. EXPAND command used for?

87. Maximum size of the PATH that can be specified in DOS?

88. Command to add comments in a CONFIG.SYS file or a batch file?

89. What is accomplished by DOS command: SYS a:

90. Function performed by the VERIFY command?

91. Command use to get information about any DOS commands?

92. DOS is an acronym for?

93. The following is an example of a CONFIG.SYS file: DEVICE=C:\WINDOWS\HIMEM.SYS DOS=HIGH,UMB DEVICE=C:\WINDOWS\EMM386.EXE NOEMS FILES=30 STACKS=0,0 BUFFERS=20 DEVICEHIGH=C:\WINDOWS\COMMAND\ANSI.SYS DEVICEHIGH=C:\MTMCDAI.SYS /D:123 What is the purpose of the line FILES=30?

94. What are the names of the 4 system files?

95. Which statements are true about the COPY command?

96. What is the FDISK utility used for?

97. Which statements about the RENAME command is correct?

98. Command to get information about a particular disk volume?

99. Following DOS command accomplish?

TYPE c:\autoexec.bat

100. Which attribute can be changed using the ATTRIB command?