| 1. | A binary - coded decimal code for representing decimal numbers in which each decimal digit is represented by seven binary digits which are coefficients of8 , 6 , 4 , 2 , 0 , 1 , 0 , respectively 用于表示十进制数的一种二进制编码的十进制码,其中每位十进制数用七位二进制数来表示,它们分别是8 , 6 , 4 , 2 , 0 , 1和0的系数。五二码表如下: |