A kind of ulldlrcctlonal error detecting codes for computer memory system is given in this paper. The system is organized in 9-bits,8-bist fof data, 1-bit for parity, and use an additional parity byte.

• 本文介绍了一种计算机存储系统中的单向错误检测码，系统构成采用9位字节，其中8位数据位，1位校验位，并使用一个单独的附加奇偶校验字节。