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Disc Operating System (DOS)

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

MODE CO40
MODE B/W
MODE MONO
MODE BLACK

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Disc Operating System (DOS)
MS-DOS developed in

1998
1997
1996
1984

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Disc Operating System (DOS)
Full form of MS-DOS is

Micro Simple Disk Operating System
Micro System Disk Operating System
Micro Soft Disk Operating System
Micro Sort Disk Operating System

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Disc Operating System (DOS)
While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?

RESTORE A: *.*/L
RESTORE A: *.*/S
RESTORE A: *.*/M
RESTORE A: *.*/N

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Disc Operating System (DOS)
What does MSCDEX.EXE do?

it's a CD-ROM DOS driver
BIOS setup
Configures hard drives
None of these
it's a SCSI driver

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Disc Operating System (DOS)
You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?

ATM 1234567
AT1234567
AT1234567DL
ATDT1234567

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