2-dimensional parity can detect all 1 and 2 bit errors, and recover from all 1 bit errors.

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How many bits can a 2-dimensional parity detect and correct? Is there any general formula for no of bit detection and correction for N-dimensional parity?

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Made easy full test solution mention that 2d parity can detect 3 bit error, and correct 1 bit error.

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i don't think that is correct,

reference - http://faculty.ycp.edu/~dhovemey/fall2005/cs375/lecture/11-16-2005.html

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