A.000101111000.0101B.010001111000.0101C.010010101011.1000D.010010101110.1001
A.進位輸入:C inB.進位輸出C outC.本位差:DD.本位和:S
A.IC制造過程級B.晶體管級C.門電路結構級D.邏輯設計級