1.

What is the message length k of a Hamming(7,4) code?

A. 2<sup>r</sup>-1
B. 2<sup>r</sup>-r+1
C. 2<sup>r</sup>-r-1
D. 2<sup>r+1</sup>-r
Answer» D. 2<sup>r+1</sup>-r


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