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CSE :: DOS Basics

  1. You suspect a virus has entered your computer. What will not be affected by the virus?

  2. A.

     CMOS

    B.

     Boot sector

    C.

     Floppy disks

    D.

     Program files

    E.

     None of the above

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  3. What is a TSR?

  4. A.

     test status request

    B.

     terminate and stay resident program

    C.

     take status request

    D.

     token set ready

    E.

     token steady route

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  5. What does MSCDEX.EXE do?

  6. A.

     Configures hard drives

    B.

     it's a SCSI driver

    C.

     BIOS setup

    D.

     it's a CD-ROM DOS driver

    E.

     None of the above

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  7. Upper Memory blocks are located where?

  8. A.

     Conventional Memory

    B.

     Extended Memory

    C.

     Expanded memory

    D.

     Reserved Memory

    E.

     None of the above

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  9. Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?

  10. A.

     COM

    B.

     BAT

    C.

     EXE

    D.

     SYS

    E.

     None of the above

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  11. After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?

  12. A.

     Use the DOS+ command

    B.

     Use the SETVER command

    C.

     Restore the old DOS version

    D.

     Contact the application's vendor support line

    E.

     None of the above

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  13. When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

  14. A.

     COPY C:DOSCOMMAND.COM A:

    B.

     ATTRIB C:*.SYS A:

    C.

     XCOPY C:DOS*.* A:

    D.

     SYS C: A:

    E.

     None of the above

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

  16. A.

     MAKE

    B.

     DIR

    C.

     MD

    D.

     DD

    E.

     None of the above

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  17. While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?

  18. A.

     MODE COLOUR

    B.

     MODE/C

    C.

     MODE CO40

    D.

     MODE CHANGE

    E.

     None of the above

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

  20. A.

     DEFRAG

    B.

     DBLSPACE

    C.

     SCANDISK

    D.

     MSAV

    E.

     None of the above

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