Question: 1- Design an n -bit subtractor using an adder with a carry-in input and the fact that A B = A + ~B + 1.

1- Design an n-bit subtractor using an adder with a carry-in input and the fact that

A B = A + ~B + 1.

2- Given a 30 percent duty cycle clock with a high pulse width of 20 s, what is the clock frequency in kHz?

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