parity bit
Noun
Meaning
(computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's; e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
Source: WordNetSynonyms
Hypernyms
Examples
An even number of flipped bits will make the parity bit appear correct even though the data is erroneous.
An even parity bit follows, then a stop bit at 1200 Hz.
A parity bit can help to reduce this.
For example, a parity bit or other error management method can be inserted into the signal path.
In retrospect a solution could have been to add a parity bit to each number as written.
In this context, an extended Hamming code having one extra parity bit is often used.