A binary system is based on 2; this is a system based on 10
In 
contrast, a decimal digit corresponds to log2(10) = 3.322 bits and a byte is 2.408
... [DOC] [TLE] How to Computer: Binary vs. Decimal - SmartyStreets [PAR] Binary does everything in sets of twothat's why it's all 1s and 0s.