Assume the gate delay is 50 ns. (1 ns = 10-9 seconds). Enter all numbers as integers (i.e., no commas or decimal points)
- The critical-path delay through a 4-bit ripple-carry adder is____ns.
- The critical-path delay through the 4-bit adder/subtractor we designed is ____ns.
- The critical-path delay through the 4-bit adder/subtractor that detects overflow is ______ns.
- The 4-bit adder/subtractor that detects overflow can perform_________additions or subtractions per second.