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Disc Operating System (DOS)

Disc Operating System (DOS)
In which version of DOS. CHKDSK command has been changed to SCANDISK?

4.0
5.0
6.2
6.0

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

Txt
Bak
Com
Bas

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Disc Operating System (DOS)
What DOS program can you run to see which serial ports are detected?

MSD
SDET
serial.chk
command.com

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Disc Operating System (DOS)
You can copy command.com to your disk from hard disk

false
true

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Disc Operating System (DOS)
Which file executes commands in DOS?

COMMAND.COM
CONFIG.SYS
SYSTEM.INI
MS-DOS.SYS

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Disc Operating System (DOS)
In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?

F4
None of these
F5
F8
Fl

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