Remote I/O is the interface that ________.
A) Is either built into the processor module or come as separate modules
B) Distributes the network control capability across a large automation system
C) Is a single plug-and-socket connection with a high data transfer speed
D) Includes a microprocessor so that it can be programmed for network data exchange
Question 2
Ladder Logic (LD) ________.
A) Is used for logic operations involving only Boolean variables, text-based language
B) Is used most often for sequential control problems
C) Uses blocks that are linked together to form a final circuit
D) Has the ability to evaluate complex mathematical expressions
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