Question: 2. (a) Design a 3 bits negative triggered asynchronous down counter using D flipflops Show the flow diagram. (b) Suppose you have 2 registers A

2. (a) Design a 3 bits negative triggered asynchronous down counter using D flipflops Show the flow diagram. (b) Suppose you have 2 registers A and B Design a serial subtractor in a way that B-A ->A.The result will be saved to A.

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