Question: 1. A 16-bit adder is still a combinational circuit because its outputs depend only on its inputs. How many rows would there be in the

1. A 16-bit adder is still a combinational circuit because its outputs depend only on its inputs. How many rows would there be in the truth table for a 16-bit adder? Don't forget about the carry in.

1. A 16-bit adder is still a combinational circuit because its outputs

a.)Assume all gates cause a delay of 10 nanoseconds. What is the critical path through the circuit above?

b.)Assume NOT gates cause a delay of just 3 nanoseconds, but all other gates cause a delay of 10 nanoseconds. Does that change the critical path through the circuit above? Why or why not?

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