Computer Basic Information
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?

COM
microfilm
film card
microfiche
None of these

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Computer Basic Information
The term USER INTERFACE refers to-

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

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