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Disc Operating System (DOS)

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

.DOC
.BAT
.DOS
.PRG

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Disc Operating System (DOS)
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

ONDELETE
DO NOT DELETE
UNDELETE
NO DELETE

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Disc Operating System (DOS)
Which of the following is loaded for CD-ROM support?

DOSKEY.EXE
CDDEX.EXE
MSCDEX.EXE
None of these
VLM.EXE

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Disc Operating System (DOS)
Which command displays current directory name or change from one to another?

None of the listed here
Cd
Both of the listed here
Chdir

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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
Device=c:doshimem.sys
Prompt=$p$g

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Disc Operating System (DOS)
The COPY command of MS-DOS, is used to:

copying files from one floppy disk to another floppy disk
copying two or more files into a single file
copying one or more files on the same disk or directory
All of these

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MORE MCQ ON Disc Operating System (DOS)

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