Error detection in computer network
Error detection techniques
1. Simple Parity check
Blocks of data from the source are subjected to a check bit or parity bit generator form, where a parity of :
Blocks of data from the source are subjected to a check bit or parity bit generator form, where a parity of :
- 1 is added to the block if it contains odd number of 1’s, and
- 0 is added if it contains even number of 1’s
This scheme makes the total number of 1’s even, that is why it is called even parity checking.
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