2 BIT ADDER AND FULL ADDER
2 BIT ADDER
TRUTH TABLE
|
Inputs |
OUTPUTS |
||||||
|
A0 |
B0 |
A1 |
B1 |
S2 |
S1 |
S0 |
|
|
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
|
3 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
|
4 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
|
5 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
|
6 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
|
7 |
0 |
1 |
1 |
0 |
0 |
1 |
1 |
|
8 |
0 |
1 |
1 |
1 |
1 |
0 |
1 |
|
9 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
|
10 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
|
11 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
|
12 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
|
13 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
|
14 |
1 |
1 |
0 |
1 |
1 |
0 |
0 |
|
15 |
1 |
1 |
1 |
0 |
1 |
0 |
0 |
|
16 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
FULL ADDER
TRUTH TABLE
|
CIN |
A |
B |
COUT |
SUM |
|
0 |
0 |
0 |
0 |
0 |
|
0 |
1 |
0 |
0 |
1 |
|
0 |
0 |
1 |
0 |
1 |
|
0 |
1 |
1 |
1 |
0 |
|
1 |
0 |
0 |
0 |
1 |
|
1 |
1 |
0 |
1 |
0 |
|
1 |
0 |
1 |
1 |
0 |
|
1 |
1 |
1 |
1 |
1 |
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