Q. Which of the following is a system file in MS-DOS?

  • (A) CONFIG.SYS
  • (B) AUTOEXEC.SYS
  • (C) IO.SYS
  • (D) DATA.SYS
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✅ Correct Answer: (C) IO.SYS
Explanation: IO.SYS is one of the core system files required to boot MS-DOS.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 07:49 am in MS Dos

Explanation by: Mr. Dubey
IO.SYS is one of the core system files required to boot MS-DOS.

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