Automation System
How is the integral mode implemented on a digital controller?

None of these
the error signal is summed over a discrete time interval and accumulated by the controller
All of these
the error is divided into discrete amounts
the digital controller cannot handle integral mode

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

there is better coordination in the materials-handling area
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
product design represents approximately one-half the engineering costs

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Automation System
The program counter:

is where arithmetic is done in a computer.
contains the address of the next instruction to be executed
counts the number of instructions that have been executed
None of these
decides which program to run

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