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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command is used to delete all the files in the root directory of drive a

Erase *.*
Del *.* a:
A:\del
Del a:\

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Disc Operating System (DOS)
While working with MS-DOS which key is used to get the p[revious command used:

F1
F4
F5
F3

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

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

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Disc Operating System (DOS)
A _____ boot is when DOS is restarted without turning off the computer.

warm
None of these
reboot
system up
shutdown

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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 BLACK
MODE MONO
MODE B/W
MODE CO40

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Disc Operating System (DOS)
The time command is used to display _____ time.

System Time
Julian Time
Greenwich Mean Time
US time

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MORE MCQ ON Disc Operating System (DOS)

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