• 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]1803813ce8cf70f.jpg[/img]
    A: [img=53x22]1803813cf1479b5.png[/img],[img=53x22]1803813cf964be7.png[/img],[img=53x22]1803813d013c230.png[/img],[img=53x22]1803813d0981940.png[/img]
    B: [img=53x22]1803813d126268c.png[/img],[img=53x22]1803813d1b1af77.png[/img],[img=53x22]1803813d2360a13.png[/img],[img=53x22]1803813d2bc657a.png[/img]
    C: [img=53x22]1803813cf1479b5.png[/img],[img=53x22]1803813cf964be7.png[/img],[img=200x22]1803813d442daae.png[/img]
    D: [img=53x22]1803813cf1479b5.png[/img],[img=200x22]1803813d55862c0.png[/img],[img=53x22]1803813d5e62809.png[/img]
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