📊 MS Dos
Q. In MS-DOS, which file extension indicates a system file?
  • (A) .SYS
  • (B) .EXE
  • (C) .BAT
  • (D) .COM
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✅ Correct Answer: (A) .SYS

Explanation: .SYS is the extension for system files used by MS-DOS.

Explanation by: Mr. Dubey
.SYS is the extension for system files used by MS-DOS.

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