Disk Operating System MCQ of Computer Science SET-2 with Answers

Disk Operating System MCQ of Computer Science SET-2 with Answers

We have provide here is the list of Disk Operating System MCQs for Computer Engineering preparation competitive exams. Each question has four options followed by the right answer.

MCQ Questions for Disk Operating System with Answers

Q1. Which command is used to see the sub-directory structure of drive?

(i) Tree
(ii) List
(iii) Subdir
(iv) Subtree

(i) Tree

Q2. DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?

(i) 4
(ii) 26
(iii) 1
(iv) 16

(ii) 26

Q3. While working with MS-DOS, which command will you use to display the version?

(i) DATE Command
(ii) VER Command
(iii) DISK Command
(iv) FORMAT Command

(ii) VER Command

Q4. Which of the following applies to external DOS commands?

(i) External commands reside in RAM until called
(ii) External commands are stored on disk separately from COMMAND.COM
(iii) External commands must always be used with the /e switch
(iv) External commands can only be executed from a batch file.

(ii) External commands are stored on disk separately from COMMAND.COM

Q5. Which command of DOS is used to sort the file in reverse order?

(i) SORT > filename
(ii) SORT < filename
(iii) SORT/R < filename
(iv) SORT/V < filename

(iii) SORT/R < filename

Q6. The time command is used to display _ time.

(i) US time
(ii) Greenwich Mean Time
(iii) Julian Time
(iv) System Time

(iv) System Time

Q7. Which of the following filename extension suggests that the file is a backup copy of another file?

(i) BAK *
(ii) BAS
(iii) COM
(iv) TXT

(i) BAK *

Q8. Which DOS command allows you to compress existing disks and to create new compressed volumes?

(i) DEFRAG
(ii) DBLSPACE
(iii) SCANDISK
(iv) MSAV

(ii) DBLSPACE

Q9. While working with MS-DOS, which command is used to move file from one directory to another?

(i) RENAME
(ii) COPY
(iii) MOVE
(iv) CP

(iii) MOVE

Q10. Which command will be used to display a column file compression ratio for each file of Double spaced disk?

(i) DIR/W
(ii) DIR/S
(iii) DIR/B
(iv) DIR /C (/C switch introduced in DOS version 6.00)

(iv) DIR /C (/C switch introduced in DOS version 6.00)

Q11. When you create a subdirectory within a directory, the process is known as _

(i) directing
(ii) making
(iii) backing
(iv) nesting

(iv) nesting

Q12. Which of the following commands allows you to make a directory?

(i) MAKE
(ii) DIR
(iii) MD
(iv) DD

(iii) MD

Q13. When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _ directory.

(i) main
(ii) root
(iii) area
(iv) border

(ii) root

Q14. RESTORE command is used to

(i) Restore files from disks made using the BACKUP command
(ii) Restore files which are deleted
(iii) Restore files from recycle bin
(iv) Restore files which are deleted recently

(i) Restore files from disks made using the BACKUP command

Q15. Which of the following is loaded for CD-ROM support?

(i) VLM.EXE
(ii) CDDEX.EXE
(iii) DOSKEY.EXE
(iv) MSCDEX.EXE

(iv) MSCDEX.EXE

Q16. Which command is used to change the file name?

(i) Ren
(ii) Rename
(iii) Both of above
(iv) None of above

(iii) Both of above

Q17. In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.

(i) Small letter
(ii) Capital letter
(iii) Both (i) & (ii)
(iv) None of above

(ii) Capital letter

Q18. While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?

(i) COPY A: *.TXT
(ii) COPY *.TXT A:
(iii) COPY *.TXT C:
(iv) COPY *.TXT ALL.TXT

(ii) COPY *.TXT A:

Q19. While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?

(i) /P
(ii) /W
(iii) /S
(iv) /T

(iv) /T

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