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

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

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

tool motions can be checked to see if there is interference between the tool and the object
None of these
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

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Automation System
Time proportioning control:

is less efficient than normal PID control
a and b above.
cannot use a TM990 micro¬computer
None of these
can be used on a PM550 programmable process controller

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