Engine_2014 : Electricity - 462/2299
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| As shown in the illustrated block diagram for a programmable logic controller system, what functional component is used to convey signals from the processor to motor starter coils, valve solenoids, and other such devices? |
| A) input interface |
| B) processor |
| C) power supply |
| D) output interface |
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Illustration EL-0023
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