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Answer:

              1 11      1  1
   0F4A  0000 1111 0100 1010
   420B  0100 0010 0000 1011
           0101 0001 0101 0101   0x5155

Additional Addition Practice

In the answer (above), the carry out of zero from the left column indicates that overflow did not happen.

Sometimes a hex addition problem is easy enough to do without converting to binary:

   014A
   4203 
   434D

It may be helpful to use your digits (fingers) in doing this: to add A+3 extend three fingers and count "A... B... C... D".


QUESTION 9:

Compute the following sum using 8 bits. Is there overflow?

   1101 0010
   0110 1101