Question: (a) If gate delays are 5ns, what is the delay of the fastest 4-bit ripple carry adder? (b) If gate delays are 5ns, what is

(a) If gate delays are 5ns, what is the delay of the fastest 4-bit ripple carry adder? 

(b) If gate delays are 5ns, what is the delay of the fastest 4-bit adder? What kind of adder will it be?

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