Question: Suppose, we want to add two 4-bit binary numbers 0111 and 0001 (Signed Number) using a 4-bit binary adder-subtractor. Besides, we want to detect whether

Suppose, we want to add two 4-bit binary numbers 0111 and 0001 (Signed Number) using a 4-bit binary adder-subtractor. Besides, we want to detect whether an overflow has occurred or not. Now, draw the appropriate circuit diagram of the 4-bit binary adder-subtractor that has the capability of overflow detection.

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