
Outputs and inputs
be very useful, particularly if graphics output in colour is required, though
the action is very slow. The true plotters, which are considerably more
expensive, operate with a more precise pen mechanism and usually feature a
flat bed for the paper, rather like the surface of a drawing-board. These
machines are intended for very high resolution graphics drawing, parti-
cularly architectural and machine drawings, and they are used particularly in
conjunction with computer-aided design (CAD) programs.
Paper handling
For some purposes, paper can be handled in single sheets just as it is for a
typewriter. If a computer is bein