parity bit

名词 parity bit:

1. (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
   同义词：parity, check bit

1. A binary check digit;for example, a parity bit.
   一个二进制校验位，例如奇偶位。