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  • What is minimum number of wires needed to send data over ...
Multiple choice

What is minimum number of wires needed to send data over a serial communication link layer?

  1. 1

  2. 2

  3. 3

  4. 4

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A basic serial communication link typically requires at least two wires: one for the data signal and one for the ground reference.

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