... National Cheng Kung University, TAIWAN 6 HANEL NUMBERING AND CODING SYSTEMS Hexadecimal System Base 16, the hexadecimal system, is used as a convenient representation of binary numbers ¾ ex. ... Decimal and Binary Number Systems Human beings use base 10 ( decimal ) arithmetic ¾ There are 10 distinct symbols, 0, 1, 2, …, 9 Computers use base 2 ( binary ) system ¾ There are only 0 ... and coding systems Digital primer Inside the computer Department of Computer Science and Information Engineering National Cheng Kung University, TAIWAN 3 HANEL NUMBERING AND CODING SYSTEMS...