A.000101111000.0101B.010001111000.0101C.010010101011.1000D.010010101110.1001
A.進(jìn)位輸入:C inB.進(jìn)位輸出C outC.本位差:DD.本位和:S
A.IC制造過(guò)程級(jí)B.晶體管級(jí)C.門電路結(jié)構(gòu)級(jí)D.邏輯設(shè)計(jì)級(jí)