It is an input and an output. The scanner scans the paper which is the input ,and the output is when the printer prints the paper.
Scan everything for viruses
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The name of the robot astronaut created by NASA is Robonaut 2.</span>
<span /><span>This robot has arm, legs, a head and a torso. It even has fingers so that it is able to use the same tools that is used by human astronauts. </span>
<span> Hope this helps. :)</span>