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Disc Operating System (DOS)

Disc Operating System (DOS)
Which DOS command will format a floppy disk and transfer the system files

SYS C: A:
FORMAT A: /T
SYS A:
None of these
FORMAT A: /S

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

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

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to switch to the monochrome display from color display?

MODE B/W
MODE MONO
MODE CO40
MODE BLACK

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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?

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

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Disc Operating System (DOS)
To display the list of all the file of the disk you would type

COPY
DIR
DIR AUTOEXEC.BAT
DIR FILES

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Disc Operating System (DOS)
3. What is the maximum length allowed for primary name of a computer file under DOS?

3
12
8
None of these

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