MS DOS MCQ [PDF] Disk Operating System Top 140 Questions

MS dos MCQ. Microsoft disk operating system related important objective multiple choice questions and answers pdf for computer competitive exams.

MS DOS MCQ

1. ______command displays current date and gets new date for resetting.

(a) DATE

(b) TIME

(c) COPY

(d) COPY CON < file.txt >

Ans. a

2. _______command displays current time and gets new time for resetting.

(a) DATE

(b) TIME

(c) COPY

(d) COPY CON < file.txt >

Ans. b

3. TIME command should be run as _______ to set new time.

(a) unknown user               

(b) guest user

(c) ordinary user                  

(d) Administrator

Ans. d

4. Recommended format for entering new date using TIME command (in Indian locale) is _____.

(a) hh:mm:ss

(b) mm:ss:hh

(c) ss:mm:hh

(d) mm:hh:ss

Ans. a

5. ______command creates a text file (named file.txt) and saves keyboard input to that file.

(a) DATE

(b) TIME

(c) COPY

(d) COPY CON < file.txt >

Ans. d

6. To end the input to the command COPY CON < file.txt > and to save text to that file, enter ___.

(a) Ctrl+Z Ctrl+C Enter

(b) Ctrl+X Ctrl+C Enter

(c) Ctrl+Z Ctrl+C Shift

(d) Ctrl+Z Ctrl+X Enter

Ans. a

7. To display the contents of a file (e.g., FILE.TXT) on the screen, issue the command _______.

(a) MKDIR FILE.TXT

(b) DEL FILE.TXT

(c) TYPE FILE.TXT

(d) MOVE FILE.TXT ..

Ans. c

8. To create copy of an existing file (F1.TXT) in a new name (F2.TXT), issue the command____ .

(a) COPY F1.TXT F2.TXT

(b) DEL F1.TXT F2.TXT

(c) REN F1.TXT F2.TXT

(d) ATTRIB +H F1.TXT F2.TXT

Ans. a

9. To create a copy of one file in a new name, _______ command is used.

(a) MOVE      

(b) REN

(c) COPY      

(d) MKDIR

Ans. c

10. To delete a file, _______ DOS command is used.

(a) MOVE      

(b) DEL

(c) COPY      

(d) MKDIR

Ans. b

11. issuing the DOS command DEL *.* deletes_______ .

(a) last file in the current directory

(b) parent directory

(c) current directory

(d) all files in current directory

Ans. d

12. To change from one directory to another, _______ DOS command is used.

(a) CD           

(b) MD           

(c) RD            

(d) ATTRIB

Ans. a

13. ______command may also be used in place of the DOS command MD.

(a) CHDIR    

(b) MKDIR

(c) RMDIR    

(d) ERASE

Ans. b

14. ______command may also be used in place of the DOS command RD.

(a) CHDIR    

(b) MKDIR

(c) RMDIR    

(d) ERASE

Ans. c

15.What is the name of hierarchical file system in DOS?

A Tree structure                   

B Root structure

C Hybrid structure               

D Directory structure

Ans. b

16. ______ command may also be used in place of the DOS command DEL.

(a) CHDIR    

(b) MKDIR

(c) RMDIR    

(d) ERASE

Ans. d

17. Which DOS command is used to delete a directory?

A RD

B REMOVE

C DEL

D DELETE

Ans. a

18. Which command is used to specify the location of files or folders in MSDOS?

A dir

B path

C sub directories

D tree

Ans. b

19. How the directories under the root directory are called?

A dir

B path

C sub directories

D tree

Ans. c

20. Which filename will matches the command. DIR????T.TxT in DOS?

A TIME . TXT

B TEXT . TXT

C TEMP . TXT

D TEMPT .TxT

Ans. d

21. What is the used of CD command in DOS?

A create a directory

B change the device name

C create root directory

D change the path of current directory

Ans. d

22. What is the maximum number of character allowed as file name in DOS?

A 3 characters

B 6 characters

C 7 characters

D 8 characters

Ans. d

23. Which one of the following is the wildcard character?

A * and /        

B ?and /        

C * and ?      

D ?and @

Ans. c

24. Which DOS command is used to display system time?

A Now           

B TIME          

C SYSTEM   

D SYSTEMTIME

Ans. a

25. What in the result of the DOS command PROMPT $D$G?

A Prompt >

B D :>

C Current date >

D Current time >

Ans. c

26. Which DOS command is used to list all com files in D drive?

A DIR D :\ com

B DIR D :\ com. *

C DIR D :\ * .com

D DIR D :\ * com *

Ans. c

27. The last version of MS DOS was _______.

(a) 7.0            

(b) 8.0

(c) 9.0            

(d) 10.0

Ans. b

28. MS DOS executable files normally have ________extension.

(a) .EXE        

(b) .COM

(c) .BAT         

(d) all of them

Ans. d

29. The commands loaded to main memory along with MS DOS operating system are called______ DOS commands.

(a) internal                

(b) external

(c) useless                

(d) unwanted

Ans. a

30. The commands stored in a disk and loaded to main memory only when first invoked are called ________ DOS commands.

(a) internal                

(b) external

(c) useless                

(d) unwanted

Ans. b

31. If a file has .BAT extension and contains a list of commands to be executed, the file is called a ________ file.

(a) database             

(b) temporary

(c) batch                    

(d) shell script

Ans. c

32. Typical first line in a DOS batch file is ________.

(a) @ECHO OFF     

(b) DIR          

(c) MD                       

(d) RD

Ans. a

33. The list of directories in which external DOS commands will be searched is called _______.

(a) WINDIR               

(b) PATH       

(c) HOME                  

(d) VER

Ans. b

34. Of the following alternatives, ________command displays current value of path variable.

(a) CLS %PATH%               

(b) PROMPT %PATH%

(c) PAUSE %PATH%         

(d) ECHO %PATH%

Ans. d

35. _______command displays version number of MS DOS.

(a) VER         

(b) DIR

(c) CLS          

(d) VOL

Ans. a

36. ______command displays the list of files and directories.

(a) VER         

(b) DIR

(c) CLS          

(d) VOL

Ans. b

37. _____command displays volume label of given drive.

(a) VER         

(b) DIR

(c) CLS          

(d) VOL

Ans. d

38. ____command displays current date and gets new date for resetting.

(a) DATE

(b) TIME

(c) COPY

(d) COPY CON < file.txt >

Ans. a

39. DATE command should be run as _______ to set new date.

(a) unknown user

(b) guest user

(c) ordinary user

(d) Administrator

Ans. d

40. Recommended format for entering new date using DATE command (in Indian locale) is ____ .

(a) yyy-ddd-mmm    

(b) yy-dd-mm

(c) dd-mm-yy

(d) yyy-mm-dd

Ans. c

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