Question

What are the difficulties with bcd or simple binary subtraction?

Answer 1

Answer:

In BCD we can use the binary number from 0000-1001 only, which are the decimal equivalent from 0-9 respectively. ... This is the main difference between Binary number and binary coded decimal. For 0 to 9 decimal numbers both binary and BCD is equal but when decimal number is more than one bit BCD differs from binary.