Question: 4. Lets you are using a signed 4-bit ALU that is capable to do ADD/SUB/AND/OR. You are doing the following operation, 15 (i) 7 +5

4. Lets you are using a signed 4-bit ALU that is capable to do ADD/SUB/AND/OR. You are doing the following operation, 15 (i) 7 +5 (ii) 7-5 What will be the results? Verify your results with decimal number. Comment on your results
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