The BCD adder you design must be capable of adding two three-digit BCD operands to produce a three-digit sum. Each of the two operands can be either positive or negative, so the adder must, in effect, ...

Write a program that adds the digits in a 2 digit number. e.g. if the input was 35, then the output should be 3 + 5 = 8 Warning. Do not change the code on lines 1-3. Your program should work for ...