Digital Electronics/Digital Signal Processing/Binary Coded Decimal

Binary Coded Decimal

Binary Coded Decimal was invented by IBM to encode decimal numbers as 4 bit binary numbers

BCD

0 0000

1 0001

2 0010

3 0011

4 0100

5 0101

6 0110

7 0111

8 1000

9 1001

Number > 9

85 1000 0101