Computer Basic Information
The MS-DOS operating system is a .....

None of these
command-driven interface, multi-tasking operating system
command-driven interface, single-tasking operating system
graphical user interface, single-tasking operating system
graphical user interface, multi-tasking operating system

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Computer Basic Information
The term USER INTERFACE refers to-

The means by which the user interacts with peripheral devices on the computer.
How the operating system responds to user commands
What the user sees on the screen and how they interact with it.
All of these

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