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?

A flat-bed plotter uses a pen which moves in two directions across a p

1.	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?
A.	microfilm
B.	microfiche
C.	film card
D.	COM
Answer» D. COM