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Disc Operating System (DOS)

Disc Operating System (DOS)
Which file executes commands in DOS?

SYSTEM.INI
COMMAND.COM
MS-DOS.SYS
CONFIG.SYS

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Disc Operating System (DOS)
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?

Ren file.doc file.txt
Ren *.doc *.txt
Ren *.txt *.doc
Ren a: *.doc *.txt

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Disc Operating System (DOS)
Which command is used to make a new directory?

Rd
None of above
Cd
Md

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Disc Operating System (DOS)
DIR command is used to

Display contents of files in directory
All of the listed here
Display type of files in a sub directory
Display a list of files in a directory

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

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Disc Operating System (DOS)
Which of the following operating does not implement multitasking truly?

Windows NT
MS DOS
Windows 98
Windows XP

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MORE MCQ ON Disc Operating System (DOS)

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