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Disc Operating System (DOS)

Disc Operating System (DOS)
While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?

None of these
MODE COLOUR
MODE CHANGE
MODE CO40
MODE/C

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Disc Operating System (DOS)
Which is the valid filename assign in MS-DOS?

Ram?.doc
Ram_$.txt
None of above
Ram*.txt

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Disc Operating System (DOS)
Which of the following statements is true in regard to diskcopy?

Diskcopy can be used on hard disks
Copy and discopy are same
Diskcopy can be used with a floppy and a hard disk
Discopy is a built in command in dos

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Disc Operating System (DOS)
Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?

None of these
COM
SYS
BAT
EXE

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

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Disc Operating System (DOS)
Which command is used to see the sub-directory structure of drive?

List
Tree
Subtree
Subdir

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MORE MCQ ON Disc Operating System (DOS)

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