logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Disk Operating System (DOS) Comments

  • Question
  • Which DOS command is used to remove and scan memory and disk from viruses?


  • Options
  • A. MSAV
  • B. DEFRAG
  • C. SCANDISK
  • D. VSAFE
  • E. None of the above

  • Correct Answer
  • MSAV 


  • Disk Operating System (DOS) problems


    Search Results


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

    • Options
    • A. VER
    • B. HOUR
    • C. DATE
    • D. DAY
    • E. None of the above
    • Discuss
    • 2. Which command will be used to display a column file compression ratio for each file of Double spaced disk?

    • Options
    • 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
    • Discuss
    • 3. If you do not know the current time, which command will you use to display the time?

    • Options
    • A. COPY
    • B. VER
    • C. TIME
    • D. FORMAT
    • E. None of the above
    • Discuss
    • 4. Which is LEAST likely to interfere with upgrading to a newer DOS version?

    • Options
    • A. ROM BIOS
    • B. Video controller
    • C. Compressed drives
    • D. Existing backup files
    • E. None of the above
    • Discuss
    • 5. While working with MS-DOS, which command is used to switch to the monochrome display from color display?

    • Options
    • A. MODE BLACK
    • B. MODE B/W
    • C. MODE MONO
    • D. MODE CO40
    • E. None of the above
    • Discuss
    • 6. 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?

    • Options
    • A. COPY A: *.TXT
    • B. COPY *.TXT A:
    • C. COPY *.TXT C:
    • D. COPY *.TXT ALL.TXT
    • E. None of the above
    • Discuss
    • 7. To conserve battery power on your laptop computer. What DOS v6.x command should you use?

    • Options
    • A. Powermon.exe
    • B. Power.exe
    • C. Idel.com
    • D. Pw.sys
    • E. None of the above
    • Discuss
    • 8. The autoexec.bat configuration file

    • Options
    • A. Is run after config.sys on system boot-up
    • B. Contains all windows configuration files
    • C. Is also known as config.sys
    • D. Checks for system polarity
    • E. None of the above
    • Discuss
    • 9. Which combination of keys allows you to perform a warm boot?

    • Options
    • A. Ctrl+ESC
    • B. Ctrl+Alt+DEL
    • C. Ctrl+Shift+DEL
    • D. Ctrl+Shift+ENTER
    • E. None of the above
    • Discuss
    • 10. Which command of DOS is used to compare two floppy disks?

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


    Comments

    There are no comments.

Enter a new Comment