Digital techniques__excess-3 codes

Here we learn excess-3 code. Excess-3 code are obtained by adding 3 into given BCD number .
In this post we learn how to convert BCD number to excess-3 . it is very simple you have to add 3 into given BCD number . and second is how to convert excess-3 code into BCD. we have to subtract 3 from given excess-3 number.

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