A logic operation with an output that is “true” if both of two inputs are “true” or both are “false” and “false” if one is “true” and the other “false”.; 一種邏輯運算,當(dāng)兩個輸入都為“真”或都為“假”,輸出為“真”。當(dāng)一個為“真”且 另一個為“假”時,輸出為“假”。參閱logic。