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Disc Operating System (DOS)

Disc Operating System (DOS)
3. What is the maximum length allowed for primary name of a computer file under DOS?

12
None of these
8
3

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Disc Operating System (DOS)
Which command displays all the files having the same name but different extensions?

Dir filename.*
Dir filename.ext
Dir *.sys
Dir *.ext

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Disc Operating System (DOS)
Which command is used to display a list of deleted files that DOS can undelete?

None of these
Undelete *.*
Undelete/all
Undelete/list

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Disc Operating System (DOS)
When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _____ directory.

area
border
main
root

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Disc Operating System (DOS)
What command is used to reset a MODEM when using the "AT Command Set"?

DTR
DCE
ATR
ATZ

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Disc Operating System (DOS)
In DOS, what key would you press to step through the Config.sys and Autoexec.bat?

F8
F5
F3
F1

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MORE MCQ ON Disc Operating System (DOS)

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