Computer Science - Automation System - Discussion

13. 

Today, programmable controllers:

[A]. are more powerful then the first controllers on the market
[B]. are relatively low cost compared with the original digital equipment available for industrial control
[C]. can be cost effective even when replacing just a few relays
[D]. All of the above
[E]. None of the above

Answer: Option D

Explanation:

No answer description available for this question.

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