The 2's- complement method of subtraction is to be performed on the 2's- complement signed numbers = 43(- )- 47. Select the correct minuend, subtrahend, signed binary difference, and decimal result. A) 00101011 + 11010001 = 11111100 = - 90₁₀ B) 00101011 + 00101111 = 01011010 = - 90₁₀ C) 11010100 + 10101111 = 110000011 = 90₁₀ D) 00101011 + 00101111 = 01011010 = 90₁₀

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Quizplus · Accepted Answer

The correct minuend for -43 is 00101011 (the binary representation of 43), and the correct subtrahend for -47 is 00101111 (the 2's complement of 47). Adding these gives 01011010, which is the binary representation of 90, the correct decimal result.

The 2's- Complement Method of Subtraction Is to Be Performed