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Disc Operating System (DOS)

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

Windows NT
Windows XP
Windows 98
MS DOS

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Disc Operating System (DOS)
DOS system file consists of

None of these
COMMAND.COM, IBMBIO.COM, FORMAT.COM
IBMBIO.COM, IBMDOS.COM, COMMAND.COM
SYS.COM,IBMBIO.COM,IBMDOS.COM

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Disc Operating System (DOS)
When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

XCOPY C:DOS*.* A:
ATTRIB C:*.SYS A:
COPY C:DOSCOMMAND.COM A:
None of these
SYS C: A:

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Disc Operating System (DOS)
Only filenames and extensions are to be displayed in wide format, which command you'll use?

Dir/w
Dir/s
Dir/b
Dir a:

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?

COPY
STORE
None of these
RESTORE
DISKCOPY

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Disc Operating System (DOS)
Which command is used to display a list of deleted files that DOS can undelete?

None of these
Undelete/list
Undelete/all
Undelete *.*

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MORE MCQ ON Disc Operating System (DOS)

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