Parity error detection, 4-bit example of how a particular scheme doesn't work
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07-07-2021 - |
Frage
Hey so I'm doing a bit of revising for a midterm next week, and I have this question that I'm not being able to find the material or understand how to answer.
I can see how a single error, double or triple error happens, but I am not sure how a 4-bit error would look like.
Lösung
If you have any 2x2 block
1 0
0 1
and invert every bit in this block, then the parity is not changed on any row or column.
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