The correct answer is: A. A pen
A flatbed plotter is a computer-controlled device that draws images on paper or other media. It is typically used for technical drawings, blueprints, and maps.
A pen is a writing instrument that is used to apply ink to a surface. It is typically made of metal or plastic and has a nib that is filled with ink.
A flatbed plotter does not use a pen because it would damage the paper. The pen would drag across the paper and leave marks. Instead, a flatbed plotter uses a stylus that is made of a hard material such as metal or plastic. The stylus is attached to a carriage that moves across the paper. The carriage is controlled by a computer that tells it where to move.
The other options, B. Eraser and C. Paper, are both used with a flatbed plotter. An eraser is used to remove mistakes that have been made on the paper. Paper is the material that the image is drawn on.
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