SOLUTION

A plotter is a pen-based output device that is attached to a computer for making vector graphics, that is, images created by a series of many straight lines. It is used to draw high-resolution charts, graphs, blueprints, maps, circuit diagrams, and other line-based diagrams. It is similar to the printer, but it draws lines using a pen. As a result, it can produce continuous lines, whereas the printer can only simulate lines by printing a closely spaced series of dots. Multicolor plotter uses different-colored pens to draw different colors. Color plots can be made by using four pens (cyan, magenta, yellow, and black) and need no human intervention to change them.