Computer Basic Information
The term USER INTERFACE refers to-

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

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

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

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