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Disc Operating System (DOS)

Disc Operating System (DOS)
What is the switch that is used to make sure that the copy command copied files correctly

/c
/s
/a
/v

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Disc Operating System (DOS)
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?

Copy a: *.txt
Copy *.txt a:
Copy *.txt c:
Copy *.txt all.txt

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Disc Operating System (DOS)
RESTORE command is used to

Restore files from recycle bin
Restore files which are deleted
Restore files which are deleted recently
Restore files from disks made using the BACKUP command

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Disc Operating System (DOS)
Which is valid extension that user creates on operating system?

Exe
Com
Sys
Bat

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Disc Operating System (DOS)
Which statement is correct?

Files can not be kept inside a directory
None of the listed here
Directories can be kept inside a file
1 millisec = 10 ^ 3 sec

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Disc Operating System (DOS)
What does MSCDEX.EXE do?

it's a CD-ROM DOS driver
BIOS setup
it's a SCSI driver
None of these
Configures hard drives

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MORE MCQ ON Disc Operating System (DOS)

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