文章标题

1.

A B X 0 0 0 1 0 0 0 1 0 1 1 1

X=A∗B

2.

A B X 0 0 0 1 0 1 0 1 1 1 1 0

X=A⊕B

3.

4.

A B NOT A AB (NOT A) ⊕ (AB) 0 0 1 0 1 0 1 1 0 1 1 0 0 0 0 1 1 0 1 1

5.

A B NOT (AB) (NOT A) + (B) 0 0 1 1 1 0 1 1 0 1 1 1 1 1 0 0

6.

7.

I.X8X7X6X5 1111
II.X8X7X6X5X4’X3’X2’X1’
III.X8X7X6X5X4’X3’X2’X1’