鸡蛋孵化室温度介于37 ℃和39 ℃之间时,V5发光,V4和V6不发光,题图虚线框位置应该选用的逻辑门是( )
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629650975965184/2636022515785728/STEM/5efa31b153fe46d79188539706d9d703.png?resizew=331)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629650975965184/2636022515785728/STEM/5efa31b153fe46d79188539706d9d703.png?resizew=331)
A.与非门 | B.或非门 |
C.与门 | D.或门 |
更新时间:2021-01-19 17:26:53
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【知识点】 逻辑门
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【推荐1】如图所示是某一逻辑电路及其真值表,则图中虚线框所缺的电路可能是( )
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图所示逻辑电路,为了实现S=l时F=A,S=0时F=B,图中虚线框处应当选用( )
![](https://img.xkw.com/dksih/QBM/2022/2/9/2912710908338176/2914871581630464/STEM/2a52fb14034b4534a35a2717aed0727a.png?resizew=243)
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A.2个与门 | B.1个或门 | C.1个非门 | D.2个或门 |
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