Automation System
In the operation of a programmable controller:

all of the logic status is maintained in memory
All of these
any latched data must be done using an external latching relay
None of these
mathematics cannot be performed

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

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

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