Question: 3 . 4 . Assume that the exclusive - OR gate has a propagation delay of 1 0 ns and that the AND or OR

3.4. Assume that the exclusive-OR gate has a propagation delay of 10 ns and that the AND or OR gates have a propagation delayof 5 ns. What is the total propagation delay time in the 4-bit adder without carry lookahead circuit?

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