Describe the 8421 code and its advantage.
What will be an ideal response?
An 8421 code is a binary-coded-decimal (BCD) code consisting of four binary digits. It is used to represent the digits 0 through 9. The 8421 designation refers to the binary weight of the 4 bits. The main advantage of this code is that it permits easy conversion between decimal and binary form. This is the predominant BCD code used and is the one referred to unless otherwise stated.
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What will be an ideal response?
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