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Disc Operating System (DOS)

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

MSD
SDET
command.com
serial.chk

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Disc Operating System (DOS)
External command in DOS are

Edit, sys, chkdsk
Sys, ver, vol
Chkdsk, prompt, date
Copy, edit, sys, format

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Disc Operating System (DOS)
The maximum length in DOS commands is

100 chars
8 chars
80 chars
127 chars

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Disc Operating System (DOS)
3. What is the maximum length allowed for primary name of a computer file under DOS?

3
8
None of these
12

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Disc Operating System (DOS)
Disk copy command in DOS is used to

Copy contents of CD-ROM to another
All of the listed here
Copy a file
Copy contents of one floppy disk to another

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Disc Operating System (DOS)
Which command be used to clear the screen and display the operating system prompt on the first line of thedisplay?

Cd
Md
cls
Rename

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