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Demi-additionneur (Half-Adder)





A B S (sum) C (carry)
0 0 0 0
0 1 0 1
1 0 0 1
1 1 1 0


Additionneur complet (Full-Adder)






A B C in S C out
0 0 0 0 0
0 0 1 1 0
0 1 0 1 0
0 1 1 0 1
1 0 0 1 0
1 0 1 0 1
1 1 0 0 1
1 1 1 1 1