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Q8.    Which of the following files is NOT required for DOS to boot?

A.      COMMAND.COM

B.       MSDOS.SYS

C.       IO.SYS

D.      AUTOEXEC.BAT

Correct Answer: D.

 Explanation:

The file load order to start DOS is :

IO.SYS

MSDOS.SYS

CONFIG.SYS

COMMAND.COM

AUTOEXEC.BAT

Note that CONFIG.SYS, and AUTOEXEC.BAT are optional to load DOS where as IO.SYS, MSDOS.SYS, COMMAND.COM are required.

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