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81. D flip-flop Problem Statement A D flip-flop is a circuit that stores a bit and is updated periodically, at the (usually) positive edge of a clock 阅读全文
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73. 3-varible Problem Statement (三变量卡诺图) Implement the circuit described by the Karnaugh map below. Answer 一个非常容易化简的卡诺图,因此这里仅放出化简后的逻辑表达式,图就不放了: out' = 阅读全文
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61. 2-to-1 multiplexer Problem Statement Create a one-bit wide, 2-to-1 multiplexer. When sel=0, choose a. When sel=1, choose b. Expected solution leng 阅读全文