Q. Which file is responsible for booting MS-DOS?

  • (A) COMMAND.COM
  • (B) IO.SYS
  • (C) MSDOS.SYS
  • (D) AUTOEXEC.BAT
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✅ Correct Answer: (B) IO.SYS
Explanation: IO.SYS is the system file responsible for initializing MS-DOS during boot.

Published by Mr. Dubey ⭐ 104.82K Points at 08-Jun-2025 07:43 am in MS Dos

Explanation by: Mr. Dubey
IO.SYS is the system file responsible for initializing MS-DOS during boot.

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