Re: FW: Parity is no longer needed

Lloyd Wood (L.Wood@surrey.ac.uk)
Wed, 11 Mar 1998 11:17:06 +0000 (GMT)


On Tue, 10 Mar 1998, Robert Harley wrote:

> Wood dolly

thanks again, baisley.

> >wrote:
> >Parity isn't correction - you'd need an extra bit to correct a
> >single-bit error in a byte - therefore it's completely useless.
>
> Parity bits are far from useless. They are frequently used to
> implement single-error correction, double-error detection per 8 bytes.

Care to enlighten us with the maths showing how a single parity bit
per 8-bit byte can provide any form of correction whatsoever?

L.

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