1-Column Addition - Three Digit Addition

SOLUTIONS:

INPUT OUTPUT Term
a
b
cin
cout
 
0
0
0
0
 
0
1
0
0
 
1
0
0
0
 
1
1
0
1
(a· b · ~cin)
0
0
1
0
 
0
1
1
1
(~a· b · cin)
1
0
1
1
(a· ~b · cin)
1
1
1
1
(a· b · cin)

 

INPUT OUTPUT Term
a
b
cin
sum
 
0
0
0
0
 
0
1
0
1
(~a· b · ~cin)
1
0
0
1
(a· ~b · ~cin)
1
1
0
0
 
0
0
1
1
(~a · ~b · cin)
0
1
1
0
 
1
0
1
0
 
1
1
1
1
(a· b · cin)

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Last Updated 2002/02/17
© J.A.N. Lee, 2002