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10. Representing the following decimal number using 8-bit two's complement binary representation: a. 31 b. -1 c. -27 d. 69 11. Compute the followings in binary. Use 8-bit two's complement representation for binary numbers unless the numbers are already in binary. 1. 15- 16 2. 0011, + 1101 3.-15-16 4. 00112 - 1101 12. Let A = 10012 and B = 01012. What is a. A & B (bitwise AND) b. -A (bitwise NOT/Invert) e. A | B (bitwise OR) f. A^B (bitwise XOR) g. A> 1 (right shift)