Automation System
The SKETCHPAD system

consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
None of these
is used for interactive Graphics

ANSWER DOWNLOAD EXAMIANS APP

Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

None of these
technical assistance must be provided to the user.
there should be a common 3-D part description system.
the user must have access to both hardware and software
the system must make provision for new techniques.

ANSWER DOWNLOAD EXAMIANS APP