Question: 5. The ripple carry adder below adds two 4-bit 2s complement numbers X and Y (i.e. S=X+Y), where X=X 3 X 2 X 1 X

5. The ripple carry adder below adds two 4-bit 2s complement numbers X and Y (i.e. S=X+Y), where X=X₃X₂X₁X₀ and Y=Y₃Y₂Y₁Y₀

a) Add overflow detection functionality to this circuit.

5. The ripple carry adder below adds two 4-bit 2s complement numbers

b) Demonstrate the overflow with an example. For example what happens if we add 0111 and 0011? You can do this on paper or show the result on logic circuit simulator using a light bulb.

y3 y2 yo il in C. C. Com C. C C Full Adder Full Adder Full Adder Full Adder S Si So

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