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Disc Operating System (DOS)

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

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

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Disc Operating System (DOS)
Format command is used to

Create a new blank disk from a used one
Both of above
Prepare a blank disk
None of above

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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/list
Undelete *.*
Undelete/all

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Disc Operating System (DOS)
Which command is executed before the others when a computer is first turned on?

Device=c:emm386.exe
Patch c:dos
Prompt=$p$g
Device=c:doshimem.sys

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Disc Operating System (DOS)
Disk copy command in DOS is used to

Copy a file
All of the listed here
Copy contents of one floppy disk to another
Copy contents of CD-ROM to another

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Disc Operating System (DOS)
The batch file uses the extension

.PRG
.DOC
.BAT
.DOS

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