常用逻辑门电路的真值表如表T1.4所示,分析F₁,F₂和F₃分别属于何种常用逻辑.

0 0 0 1

0 0 1 0

0 0 1 1

0 1 0 0

0 1 0 1

0 1 1 0

0 1 1 1

1

1

0

1

0

0

1

1 0 0 1

1 0 1 0

1 0 1 1

1 1 0 0

1 1 0 1

1 1 1 0

1 1 1 1

0

0

1

0

1

1

0

0 0 1

0 1 0

0 1 1

overline{A}B

overline{A}B

AB

1 0 1

1 1 0

1 1 1

overline{A}+B

A+overline{B}

A+B