Basic DOS MCQ
1. Which of the following files would the DEL c:\windows\temp\?ast.t* command delete?
blast.tmp
last.txt
last.tmp
faster.tmp
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2. Which of the following statements about the UNDELETE command are correct?
It is used to unformat a drive
It allows you to restore files that may have been deleted
It enables you to protect files from deletion
It enables you to recover files in the event of a hard disk crash
Answer
Correct Answer:
It allows you to restore files that may have been deleted
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3. What is the correct syntax for editing the CONFIG.SYS file?
Alter c:\config.sys
edit c:/config.sys
edit c:\config.sys
edit config.sys/c:
Answer
Correct Answer:
edit c:\config.sys
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4. What will be accomplished by the following DOS command
This command will append the contents of myfile2.txt to myfile1.txt
This command would overwrite myfile2.txt with myfile1.txt. The name of the resultant file will be myfile2.txt
This command will overwrite myfile1.txt with myfile2.txt. The name of the resultant file will be myfile1.txt
This is an invalid syntax
Answer
Correct Answer:
This command will append the contents of myfile2.txt to myfile1.txt
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5. What will the following DOS command accomplish?
It will remove the test directory with all its files
It will allow the user to rename the test directory
It will remove the test directory if empty
It allows users to edit files in the test directory
Answer
Correct Answer:
It will remove the test directory if empty
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6. Which device is the MSCDEX command associated with?
Floppy drive
Hard disk
RAM
CD-ROM
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7. What is the APPEND command used for?
It allows the concatenation of characters to an existing file name
It enables a user to open files in the specified directory as if they were in the current directory
It allows appending of text to a file with the text from another file
It allows a user to change the properties of a specified file
Answer
Correct Answer:
It enables a user to open files in the specified directory as if they were in the current directory
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8. The following is an example of an AUTOEXEC.BAT file:
It tells the computer where WINDOWS is installed
It tells the computer where DOS is installed
It tells the computer where to search if a command used at the prompt is not found
Answer
Correct Answer:
It tells the computer where to search if a command used at the prompt is not found
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9. The following is an example of a CONFIG.SYS file:
It makes extended memory available for loading drivers
It specifies Printer driver information
It specifies CD-ROM information
It loads DOS into high memory in an Upper Memory Block
Answer
Correct Answer:
It makes extended memory available for loading drivers
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10. Which of the below attributes can be changed using the ATTRIB command?
Read-only, Archived, Hidden, Boot
Read-only, Archived, Driver, System
Read-only, Shared, Hidden, System
Read-only, Archived, Hidden, System
Answer
Correct Answer:
Read-only, Archived, Hidden, System
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11. What would the following DOS command accomplish?
It allows the user to edit the AUTOEXEC.BAT file
It allows the user to find out the size of the AUTOEXEC.BAT file
It allows the user to view the contents of the AUTOEXEC.BAT file
It allows the user to find out if the AUTOEXEC.BAT file is hidden or not
Answer
Correct Answer:
It allows the user to view the contents of the AUTOEXEC.BAT file
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12. Which command would you use to get information about a particular disk volume?
VOL
VOLUME
DKVOL
DISKVOL
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13. Which of the following statements about the RENAME command is correct?
It permits users to change the name of a file without making a copy of it
It permits users to change the name of a file by making a copy of it
None of the above
Answer
Correct Answer:
It permits users to change the name of a file without making a copy of it
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14. What is the FDISK utility used for?
It allows the user to Format the hard disk drive
It allows the user to delete and/or create partitions on the hard disk drive
It allows the user to quickly format floppy diskettes so they can have fresh data saved on them
It allows the user to specify the size of the floppy disk to format
Answer
Correct Answer:
It allows the user to delete and/or create partitions on the hard disk drive
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15. Which of the following statements are true about the COPY command?
It can be used to copy files and directories
It can be used to copy all hidden and non-hidden files
It can be used to copy read-only files
It can be used to copy hidden files
It can be used to append files to one another
Answer
Correct Answer:
It can be used to copy read-only files
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16. What are the names of the 4 system files?
system.com, io.sys, sysdos.sys, diskspace.bin
command.com, io.sys, sysdos.sys, drvspace.bin
command.com, out.sys, msdos.sys, diskspace.bin
command.com, io.sys, msdos.sys, drvspace.bin
Answer
Correct Answer:
command.com, io.sys, msdos.sys, drvspace.bin
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17. The following is an example of a CONFIG.SYS file:
It allows DOS to load up to 30 files at the same time
It allows DOS to load 30 DOS commands at the same time
It allows DOS to load 30 lines at the same time
It allows DOS to load 30 Kilobytes of data at the same time
Answer
Correct Answer:
It allows DOS to load up to 30 files at the same time
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18. DOS is an acronym for?
Digital Operating System
Digital Operation System
Disk Operation Software
Disk Operating System
Answer
Correct Answer:
Disk Operating System
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19. Which command would you use to get information about any DOS commands?
HLP
HELP
DOSHELP
DOSHLP
HP
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20. What is the function performed by the VERIFY command?
It checks the hard disk to look for bad sectors
It checks for the available hard disk space
It displays the version of MS-DOS or Windows if running Windows 95 or above
It tells Windows whether to verify that your files are written correctly to a disk
Answer
Correct Answer:
It tells Windows whether to verify that your files are written correctly to a disk
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21. What is accomplished by the following DOS command:
It allows you to delete the system files from drive A
It is used to copy the system files from one drive to another drive by making that drive bootable.
It allows the user to see the specifications of drive A
Answer
Correct Answer:
It is used to copy the system files from one drive to another drive by making that drive bootable.
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22. Which command will you use to add comments in a CONFIG.SYS file or a batch file?
COMMENT
COMM
REM
REMARK
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23. What is the maximum size of the PATH that can be specified in DOS?
82 bytes
102 bytes
122 bytes
132 bytes
255 bytes
Answer
Correct Answer:
255 bytes
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24. What is the EXPAND command used for?
Expanding compressed operating system files into their original format
Appending characters to a file name
Viewing complete file names that have been truncated
Adding new drivers to the available existing drivers
Answer
Correct Answer:
Expanding compressed operating system files into their original format
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25. Which of the following statements about the DELTREE command are correct?
DELTREE is a command used to delete files and directories permanently from the computer
By Using DELTREE, every file and sub-directory within the specified directory will be deleted
Once deleted using DELTREE, you cannot recover the files and directories
Once deleted using DELTREE, you can recover the files and directories only if you had used DELTREE appended with /Y
Answer
Correct Answer:
DELTREE is a command used to delete files and directories permanently from the computer
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26. Which command will display all the directories of the current directory in ascending order of creation date?
dir /o:d /s
dir /o:d /a:d
dir /od/an
dir /ad/on
Answer
Correct Answer:
dir /o:d /a:d
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27. The following is an example of an AUTOEXEC.BAT file:
It specifies floppy drive information
It specifies printer information
It loads the CDROM driver
It specifies monitor information
Answer
Correct Answer:
It loads the CDROM driver
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28. Which of the following command copies a folder including all of its subdirectories?
XCOPY C:\Source C:\Destination
COPY C:\Source\*.* C:\Destination /X
XCOPY C:\Source C:\Destination /S
XCOPY C:\Source C:\Destination /E /I
Answer
Correct Answer:
XCOPY C:\Source C:\Destination /E /I
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29. Which of the following are available in a DOS file system ?
IBMBIO.COM, IBMDOS.COM, COMMAND.COM
SYS.COM,IBMBIO.COM,IBMDOS.COM
COMMAND.COM, FORMAT.COM
COMMAND.COM, IBMBIO.COM, FORMAT.COM
Answer
Correct Answer:
IBMBIO.COM, IBMDOS.COM, COMMAND.COM
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30. In Windows Xp, what is the file equlivalent to CONFIG.SYS ?
config.txt
config.ini
Config.Nt
None of the above
Config.win
Answer
Correct Answer:
Config.Nt
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31. Which statement about Quick Format is true?
All three statements are true
Quick format performs an unconditional format
Quick format does not check for bad sectors
Quick format can be performed on an unformatted drive.
Answer
Correct Answer:
Quick format does not check for bad sectors
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32. Which of the following external command compares two files or sets of files, and displays the differences between them?
COMPARE
FC
EXPAND
CMP
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33. True or False. DOS is not a single operating system but several closely related operating systems.
True
False
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34. Which of the following is true about FASTOPEN?
Provides summary Help information for MS-DOS commands
Decreases the amount of time needed to open frequently both used files and directories
Decreases the amount of time needed to open frequently used files and directories
Decreases the amount of time needed to open frequently used files
Answer
Correct Answer:
Decreases the amount of time needed to open frequently both used files and directories
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35. Which key will bypass CONFIG.SYS and AUTOEXEC.BAT during the boot sequence?
F1
F2
F8
F5
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36. Which of the following operating systems does not fall under DOS?
PC DOS
Win DOS
86-DOS
MS-DOS
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37. Which of the folllwing command is used in CONFIG.SYS file to specify the number of file-control blocks for file sharing?
FASTOPEN
FILES
FC
FCBS
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38. What is the correct command to transfer a file from one disk to another?
RENAME
COPY
DISKCOPY
MOVE
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39. Which of the following is NOT an external command?
COMMAND
DBLSPACE
DELTREE
GOTO
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40. What is the order of precedence when COMMAND.COM searches for executable files?
.COM, .EXE, .BAT
.EXE, .COM, .BAT
.EXE, .BAT, .COM
there is no order of precedence
Answer
Correct Answer:
.COM, .EXE, .BAT
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41. What does TSR stand for?
Terminal System Read
Terminate and Stay Resident
Terminal System Ready
Terminate and Stay Ready
Answer
Correct Answer:
Terminate and Stay Resident
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42. Which of the following DOS command will display the name of files in sorted order?
Dir/o:n
Dir/so
Dir/ah
Dir/an
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43. Which of the following command is syntactically incorrect?
RENAME foo.txt bar.txt
REN foo.txt bar.txt
REN c:\foo.txt d:\bar.txt
RENAME c:\foo.txt bar.txt
Answer
Correct Answer:
REN c:\foo.txt d:\bar.txt
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44. What is the command to list only the hidden files under the current directory?
DIR /A
DIR /H
DIR /A:S
DIR /A:H
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45. Which external command file is required to use “format” command?
format.dos
format.com
format.exe
format.hlp
Answer
Correct Answer:
format.com
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46. Which of the following external command load country specific information?
MODE
MORE
QBASIC
NLSFUNC
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47. Which of the following command continuously monitors the computer for viruses?
VSAFE
SCANDISK
SYS
SCAN
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48. Which of the following command will display the list of all previous commands entered by the user?
DIR/ALL
KEYDOS
COMMANDS/ALL
DOSKEY
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49. The PATH command is typically found in which file?
MSDOS.SYS
AUTOEXEC.BAT
CONFIG.SYS
COMMAND.COM
Answer
Correct Answer:
AUTOEXEC.BAT
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50. What is the attribute that’ll suppress prompting in the MOVE command
/Y
/X
/A
/V
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51. Which of the following is NOT an internal command?
DIR
APPEND
BREAK
PATH
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52. Which of the following properties in CONFIG.SYS file loads device drivers in the upper memory area?
DEVHIGH
DEVICEHIGH
DISKCOMP
DEVICE
Answer
Correct Answer:
DEVICEHIGH
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53. Which of the following will create a bootable floppy disk?
FORMAT A: /S
All three commands will create a bootable floppy disk
FORMAT A: /S /V:BOOT
SYS C: A:
Answer
Correct Answer:
All three commands will create a bootable floppy disk
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54. Which command is used to set the name to a disk in DOS?
DISKLABEL
VOL
LABEL
VOLUME
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55. In XCOPY command, What is the arguiment used for avoiding prompt for overwrite ?
/d
/e
/a
/Y
/s
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56. Which of the following command will delete a file?
DELTREE
ERASE
DEL
All three commands can delete a file
Answer
Correct Answer:
All three commands can delete a file
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57. Which of the following command will delete a directory?
ERASE
RMDIR
All three commands can delete a directory
DEL
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58. Which command do you use to list all the files and folders whose name contains TST from second character?
dir tst
dir ?tst
dir *tst
dir ?tst*
Answer
Correct Answer:
dir ?tst*
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59. What does formatting a disk mean?
Build/rebuild tracks only
Build/rebuild sectors only
Erasing data
Build/rebuild tracks, sectors
Answer
Correct Answer:
Build/rebuild tracks, sectors
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60. What is the size limitation of MS-DOS file name and extension?
8 and 3
255 and 3
255 and 8
3 and 8
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61. RESTORE command is used for which of the following?
Restore files which were deleted recently
Restore files which were deleted
Restore files from disks made using the BACKUP command
Restore files from recycle bin
Answer
Correct Answer:
Restore files from disks made using the BACKUP command
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62. Which command do you use to display the contents of a file?
type
info
copy
edit
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63. Which of the following commands is used to copy all the files stored in floppy disk into the DATA directory of hard disk (c drive)?
copy A:* c:data
copy A: C:
copy A:*.* c:data
copy A:data C:
Answer
Correct Answer:
copy A:*.* c:data
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64. Which of the following is true about external command MSD?
Provides detailed technical information about the computer
Moves one or more files
Scans thecomputer for known viruses
Deletes a directory/file
Answer
Correct Answer:
Provides detailed technical information about the computer
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65. Which of the following is not a DOS executable extension?
SYS
COM
BAT
EXE
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66. Which of the following command installs file-sharing and locking capabilities on the hard disk?
SHARE
RESTORE
SUBST
XCOPY
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67. Which file contains configuration files for the DOS operating system?
MSDOS.SYS
AUTOEXEC.BAT
CONFIG.SYS
COMMAND.COM
Answer
Correct Answer:
CONFIG.SYS
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68. Which of the following is true about DOSKEY?
All of the given options are valid
Recalls MS-DOS commands
Edits command lines
Creates macros
Answer
Correct Answer:
All of the given options are valid
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69. What is the command that will change to the root directory irrespective of the current directory?
CD\
CD\\
CD..
CD\..
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70. Which statement about COMMAND.COM is true?
All three statements are true
It has two modes: interactive and batch
It is the shell for the DOS operating system
It runs AUTOEXEC.BAT
Answer
Correct Answer:
All three statements are true
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71. True or False? DOS uses the 8.3 filename convention.
True
False
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72. The COPY command:
can only copy binary file
can only copy ascii file
copies one or more files to another location
copies one file to another location
Answer
Correct Answer:
copies one or more files to another location
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73. Which DOS command will combine file1 and file2 into new file named file3?
Copy file1+file2+file3
Copy file1+file2 file3
Copy file2 file1+file3
Copy file3 file1+file2
Answer
Correct Answer:
Copy file1+file2 file3
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74. Which command is used to display the disk volume label?
Volume
Vol
Version
Ver
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75. Which of the following commands is used to display the list of files and directories starting with 's'?
dir s?
dir*s
dir ? s
dir s*
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76. Which statement about TSR is true?
All three statements are true
TSR returns control to the system but keeps the program in memory
TSR uses interrupts to return control to a program in memory
TSR creates the appearance of multitasking
Answer
Correct Answer:
All three statements are true
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77. What type of OS is MSDOS?
Single user, GUI
Multi user, CUI
Single user, CUI
Multi user, GUI
Answer
Correct Answer:
Single user, CUI
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78. Which statement about AUTOEXEC.BAT is true?
It is located in the root directory of the boot device
It is called by COMMAND.COM
All three statements are true
It is a plain text file
Answer
Correct Answer:
All three statements are true
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79. Which command will copy all files with extension .TXT under the current directory to drive D?
COPY *.TXT/A D:
COPY .TXT/A D:
COPY .TXT D:
COPY *.TXT D:
Answer
Correct Answer:
COPY *.TXT D:
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80. What DOS command formats a floppy disk and copies system files to the formatted disk?
FORMAT A: -S
FORMAT A: /S
SYS A:
SYS A: /S
Answer
Correct Answer:
FORMAT A: /S
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81. What is the command to clear the screen?
CLS
CLEAR
CLS and CLEAR
ERASE
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82. Which of the following do you use to search a file in MS-DOS?
dir/d
dir/c
dir/s
dir/ad
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83. Which of the following is a key advantage of using batch files?
All of the given options are true
Time saving
Lesser keystrokes required to perform computer operations
Less chance of making errors
Answer
Correct Answer:
All of the given options are true
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84. What are the keys pressed to perform a warm reboot on a DOS operating system?
Ctrl + Esc
Ctrl + Alt + Esc
Ctrl + Alt + Del
Ctrl + Shft + Del
Answer
Correct Answer:
Ctrl + Alt + Del
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85. Which file contains commands that configure systems devices?
Autoexec.bat
Win.ini
Command.com
Config.sys
Answer
Correct Answer:
Config.sys
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86. What action does the MODE command perform?
configures system devices
ALL three actions are performed by the MODE command
display information on port and display setting
make changes to display setting
Answer
Correct Answer:
ALL three actions are performed by the MODE command
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87. Which of the following external command deletes a directory and all the files and subdirectories in it?
DRVSPACE
DEL
DELTREE
DELOLDOS
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88. What is the command to list all files in the current directory?
DIR
SHOW
LIST
LS
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89. What is the function of “Ctrl+C” in DOS?
Breaks execution of command
Saves a file
Delete the file
Un-Delete the deleted file
Answer
Correct Answer:
Breaks execution of command
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90. True or False? A volume label can be assigned to a disk by using the LABEL command.
False
True
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91. What is the command to create a new directory in MS-DOS?
MCD
MC
CD
MD
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92. What is DOS?
a file server
a command prompt
an operating system
a programming language
Answer
Correct Answer:
an operating system
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93. What is the full form of DOS?
Digital Office Systems
Digital Operating System
Disk Operating System
Data Organization Software
Answer
Correct Answer:
Disk Operating System
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94. True or False? DOS uses the File Allocation Table (FAT) file system.
True
False
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95. What interface does DOS utilize?
command-line interface
graphical user interface
text-based user interface
web-based user interface
Answer
Correct Answer:
command-line interface
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96. True or False? DOS is a multitasking operating system.
False
True
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97. What happens when you type “CD” and press “Enter” key?
Enters into a subdirectory
Get the username
Returns to the root directory
Displays current directory
Answer
Correct Answer:
Displays current directory
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