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Disc Operating System (DOS)

Disc Operating System (DOS)
In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.

Small letter
Both a and b
None of above
Capital letter

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

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

Directories can exist inside directories
Directories cannot be renamed
Directories with files can be deleted
The root directory is always at the highest level

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

Cd
Rd
Md
None of above

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Disc Operating System (DOS)
Each time you turn on your computer, it will check on the control file

Command.com, io.sys
Command.com, date.com, dir.com
Chkdsk.exe
Command.com, io.sys, msdos.sys

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Disc Operating System (DOS)
Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?

None of these
Extended, Logical, Primary
Logical, Primary, Extended
Logical, Extended, Primary
Primary, Extended, Logical

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