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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command creates a directory or subdirectory?

Both of the listed here
Mkdir
Md
None of the listed here

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Disc Operating System (DOS)
While working with MS-DOS which key is used to get the p[revious command used:

F4
F1
F3
F5

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Disc Operating System (DOS)
4. Which of the following could be a valid DOS file specification?

NOSFILE.DOC
NOSFILE.POST
NOST.FILEDOC
NOSFILE.P.OST

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Disc Operating System (DOS)
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?

Contact the application's vendor support line
None of these
Use the DOS+ command
Restore the old DOS version
Use the SETVER command

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?

COPY *.TXT ALL.TXT
COPY *.TXT C:
COPY *.TXT A:
COPY A: *.TXT

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Disc Operating System (DOS)
What is a TSR?

terminate and stay resident program
take status request
token steady route
token set ready
test status request

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MORE MCQ ON Disc Operating System (DOS)

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