Computer Science - Networking - Discussion

41. 

What is the minimum number of wires required for sending data over a serial communications links?

[A]. 2
[B]. 1
[C]. 4
[D]. 3
[E]. None of the above

Answer: Option A

Explanation:

No answer description available for this question.

Sivarajan said: (Mar 4, 2015)  
How is it possible? There is a single wire enough for sending a data.

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