Question

逻辑电路公式化简

Y=AB+A'C+ABCD+A'BCD=AB+A'C
这是怎么得出来的？

Answer 1

冗余定理:AB+A'C+BC=AB+A'C
Y=AB+A'C+ABCD+A'BCD
=AB+A'C+BCD(A'+A) A+A'=1
=A8+A'C+BCD
=AB+A'C
AB+A'C+BCf(e.g.h.....)=AB+A'C

Answer 2

Y=AB+A'C+ABCD+A'BCD
=AB+ABCD+A'C+A'BCD
=AB(1+CD)+A'C(1+BD)
=AB+A'C