Question: 1.2. Design a four-bit borrow look ahead subtractor, i.e. inputs two four bits binary numbers (23, 22, x1,xo), (3/3,Y2, yi,yo) with borrow-in b-1 and outputs

1.2. Design a four-bit borrow look ahead subtractor, i.e. inputs two

1.2. Design a four-bit borrow look ahead subtractor, i.e. inputs two four bits binary numbers (23, 22, x1,xo), (3/3,Y2, yi,yo) with borrow-in b-1 and outputs borrow-out b4 and the difference (d3, d2, di, do). Use the full subtractors and a minimal network of AND, OR gates. Describe your solution with logic diagrams (* :?)

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