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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?

  • 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

Answer: B

Correct answer: Use the SETVER command

Some older programs check the DOS version and refuse to run on a later one. SETVER keeps a table of such programs and the version number each should be told, so the application sees the version it expects and runs unchanged.

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