MS-DOS developed in
1991
1984
1971
1961
Answer : B
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1) Which command of DOS is used to compare two floppy disks?
2) The command used to copy a file named temp.doc from drive C: to drive A: is
3) Which combination of keys allows you to perform a warm boot?
4) MS-DOS developed in
5) Which of the following applies to external DOS commands?
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM
External commands must always be used with the /e switch
External commands can only be executed from a batch file.
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