• 2022-06-03
    用集成四位全加器74283和组合逻辑电路设计的代码转换电路如图所示。设电路输入DCBA为8421BCD码,若要电路输出S3S2S1S0的编码为5421BCD码,则74283的加数B3B2B1B0对应的输入为 。[img=347x318]18038b38e07bf0a.jpg[/img]
    A: [img=53x22]18038b38e984405.png[/img],[img=53x22]18038b38f241494.png[/img],[img=53x22]18038b38fb60fc2.png[/img],[img=53x22]18038b3903f70a1.png[/img]
    B: [img=53x22]18038b390d11c26.png[/img],[img=53x22]18038b39150bf0c.png[/img],[img=53x22]18038b391dbf360.png[/img],[img=53x22]18038b3926fa04d.png[/img]
    C: [img=53x22]18038b38e984405.png[/img],[img=53x22]18038b38f241494.png[/img],[img=200x22]18038b394015094.png[/img]
    D: [img=53x22]18038b38e984405.png[/img],[img=200x22]18038b395297ded.png[/img],[img=53x22]18038b395b2acb7.png[/img]
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