Question: Question 2: [40 pts.) a) Using D flip-flops, construct a 4-bit ripple counter that counts downward as follows: 13, 12, 11, 10, 9, 8, 7,

Question 2: [40 pts.) a) Using D flip-flops, construct a 4-bit ripple counter that counts downward as follows: 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 13, 12, 11, 10, ...). b) Analyse the following sequntial circuit deriving the state table and state diagram and explain the function that the circuit performs. HIGH FFO FF1 FF2 FF3 12 03 >C -C C K CLK
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