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CSE :: Disk Operating System [DOS]

  1. Each time you turn the power switch on, which control files will the computer check?

  2. A.
    COMMAND.COM, IO.SYS
    B.
    COMMAND.COM, DATE.COM, TIME.COM
    C.
    C0MMAND.COM, IO.SYS, MSDOS.SYS
    D.
    CHKDSK.EXE
    E.
    None of the above

  3. While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

  4. A.
    COPY FILE3 FILE1+FILE2
    B.
    COPY FILE1+FILE2 FILE3
    C.
    COPY FILE1+FILE2+FILE3
    D.
    COPY FILE2 FILE1+FILE3
    E.
    None of the above

  5. Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?

  6. A.
    VER
    B.
    HOUR
    C.
    DATE
    D.
    DAY
    E.
    None of the above

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

  8. A.
    main
    B.
    root
    C.
    area
    D.
    border

  9. Which command will prevent subsequent changes to the file CBT.EXE?

  10. A.
    RENAME + r CBT.EXE
    B.
    ATTRIB + r CBT.EXE
    C.
    COPY + r CBT.EXE
    D.
    MODE + r CBT.EXE
    E.
    None of the above

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

  12. A.
    DIR/W
    B.
    DIR/S
    C.
    DIR/B
    D.
    DIR /C (/C switch introduced in DOS version 6.00)
    E.
    None of the above

  13. The COPY command of MS-DOS, is used to:

  14. A.
    copying files to transfer from one PC to another
    B.
    copying files for safe keeping or for record purpose
    C.
    copying files from the hard disk to floppy disks
    D.
    All of the above
    E.
    None of the above

  15. 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?

  16. A.
    COPY A: *.TXT
    B.
    COPY *.TXT A:
    C.
    COPY *.TXT C:
    D.
    COPY *.TXT ALL.TXT
    E.
    None of the above

  17. Which command of DOS is used to compare two floppy disks?

  18. A.
    DISKCOPY
    B.
    DISKCOMP
    C.
    DISKCOPY A: B/V
    D.
    FORMAT A: B:
    E.
    None of the above

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

  20. A.
    SORT > filename
    B.
    SORT < filename
    C.
    SORT/R < filename
    D.
    SORT/V < filename
    E.
    None of the above