2.A binarydigit appended to a group of binary digits to make the sum of all the digits, including the appended binarydigit, either odd or even as predetermined.
7.In the method, all numeric values are converted into the binary values, and then each digit of binary values is mapped to two Boolean attributes, the method of BAR mining is adopted for analyzing the association rules between the Boolean attributes.
8.the average number of binary digits needed to express one radix digit in a non-binary numeration system; on the average a number that can be expressed in N decimal digits takes 3.3N binary digits.
9.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.
10.Expression of binary numerals in a system of positional notation in which each successive digit position is weighted by a factor of two times the weight of the prior position.