Automation System
Robots consist of three basic components; power supply, control (memory) console, and:

microcomputer
software
None of these
mechanical unit (arm)
coaxial cable

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Automation System
The SKETCHPAD system

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

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Automation System
One of the major benefits of using CAD in tool design is that:

it simplifies the trial-and-error method
there is better coordination in the materials-handling area
product design represents approximately one-half the engineering costs
None of these
tool motions can be checked to see if there is interference between the tool and the object

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