![]() So for the 10 decimal digits (0-to-9) we need a 4-bit binary code.īut do not get confused, binary coded decimal is not the same as hexadecimal. The advantage of the Binary Coded Decimal system is that each decimal digit is represented by a group of 4 binary digits or bits in much the same way as Hexadecimal. ![]() We have seen previously that an n-bit binary code is a group of “n” bits that assume up to 2 n distinct combinations of 1’s and 0’s. ![]() As we have seen in this Binary Numbers section of tutorials, there are many different binary codes used in digital and electronic circuits, each with its own specific use.Īs we naturally live in a decimal (base-10) world we need some way of converting these decimal numbers into a binary (base-2) environment that computers and digital electronic devices understand, and binary coded decimal code allows us to do that.
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