The Computers: (CAD and CAM Computers )

Computer Aided Design Computer software and (sometimes) hardware used to design things. A CAD system might be as simple as a computerized drafting tool or as complex as a parametric mechanical constraint system, a routing and layout software for integrated electronic circuits, or an architectural program that knows about the physical and spatial properties of constructive elements in a building. CAD and CAM Computers.

Computer-aided design ( CAD ) is the use of computer systems to aid in the creation, modification, analysis, or optimization of a design. (wikipedia)