|
B1B0 |
|||||
|
00 |
01 |
11 |
10 |
||
|
A1A0 |
00 |
1 |
0 |
0 |
0 |
|
01 |
0 |
1 |
0 |
0 |
|
|
11 |
0 |
0 |
1 |
0 |
|
|
10 |
0 |
0 |
0 |
1 |
A=BのときY1=1
これは
加法標準形論理式
A1A0B1B0+A1A0B1B0
= A1B1(A0B0+A0B0)
A1A0B1B0+A1A0B1B0
=A1B1(A0B0+A0B0)