In which year the first operating system was developed
Home | Discussion ForumIn which year the first operating system was developed
1910
1940
1950
1980
Answer : C
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1) 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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2) What you type at the DOS command prompt to return back to windows?
3) Which command is used to delete the directory that is empty?
4) When you create a subdirectory within a directory, the process is known as _____
5) While working with MS-DOS, which command is used to switch to the monochrome display from color display?