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Disc Operating System (DOS)

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

Windows NT
MS DOS
Windows XP
Windows 98

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Disc Operating System (DOS)
While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?

None of these
/S
/T
/W
/P

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Disc Operating System (DOS)
Which of the following extensions suggest that the file is a backup copy.

Bas
Com
Bak
Txt

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Disc Operating System (DOS)
Which command is used to clear the screen

Clscreen
Clear
All of the listed here
Cls

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Disc Operating System (DOS)
Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?

cls
close
exit
quit

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Disc Operating System (DOS)
Which command will be used to display file and directory names only, without size, date, and time information?

DIR A:
DIR/B
DIR/S
DIR/W

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