• 2022-06-03
    中国大学MOOC: 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 。【图片】
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    • 0

      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]1803753ce19c1fc.jpg[/img] A: [img=53x22]1803753ceaf6e65.png[/img],[img=53x22]1803753cf2e7eab.png[/img],[img=53x22]1803753cfb525b4.png[/img],[img=53x22]1803753d03dc345.png[/img] B: [img=53x22]1803753d0c59217.png[/img],[img=53x22]1803753d152c9a9.png[/img],[img=53x22]1803753d1e1e8b5.png[/img],[img=53x22]1803753d2669b28.png[/img] C: [img=53x22]1803753ceaf6e65.png[/img],[img=53x22]1803753cf2e7eab.png[/img],[img=200x22]1803753d403ae57.png[/img] D: [img=53x22]1803753ceaf6e65.png[/img],[img=200x22]1803753d510415c.png[/img],[img=53x22]1803753d5b2e131.png[/img]

    • 1

      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]1802d49bf2980cc.jpg[/img] A: [img=53x22]1802d49bfa97def.png[/img],[img=53x22]1802d49c0255212.png[/img],[img=53x22]1802d49c0a8f122.png[/img],[img=53x22]1802d49c128e258.png[/img] B: [img=53x22]1802d49c1bc011c.png[/img],[img=53x22]1802d49c241fa8a.png[/img],[img=53x22]1802d49c2bbd6a0.png[/img],[img=53x22]1802d49c34051f0.png[/img] C: [img=53x22]1802d49bfa97def.png[/img],[img=53x22]1802d49c0255212.png[/img],[img=200x22]1802d49c50be055.png[/img] D: [img=53x22]1802d49bfa97def.png[/img],[img=200x22]1802d49c610eb1f.png[/img],[img=53x22]1802d49c698eb6b.png[/img]

    • 2

      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]

    • 3

      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]18037ea3e7e3c09.jpg[/img] A: [img=53x22]18037ea3f06d864.png[/img],[img=53x22]18037ea3f859d01.png[/img],[img=53x22]18037ea4008c7aa.png[/img],[img=53x22]18037ea4092c9cb.png[/img] B: [img=53x22]18037ea411fe289.png[/img],[img=53x22]18037ea419e1d1f.png[/img],[img=53x22]18037ea4224c1f9.png[/img],[img=53x22]18037ea42af406b.png[/img] C: [img=53x22]18037ea3f06d864.png[/img],[img=53x22]18037ea3f859d01.png[/img],[img=200x22]18037ea444f0547.png[/img] D: [img=53x22]18037ea3f06d864.png[/img],[img=200x22]18037ea4550e111.png[/img],[img=53x22]18037ea45d58398.png[/img]

    • 4

      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]