P1 (9 points): Given the number N-10100112 as a 7-bit binary number expressed in 2's complement, write the following: A: N as a decimal number. B: N as a 7-bit binary number in Sign and Magnitude representation. C: The absolute value of N, expressed as a 7-bit binary number in Sign and Magnitude D: N as a 9-bit binary number expressed in 2's complement. E: 4N as a 9-bit binary number expressed in 2's complement. P2 (6 points): Negate the following 2's complement numbers A: 0110101 C: 1010100 E: 1110111 D: 0010000 F: 0000000 P3 (8 points): Using the minimum number of bits: A: Write +18 as an unsigned binary number. B: Write +13 as a 2's complement binarv number. C: Write -9 as a 2's complement binary number. D: Write -7 as a 1's complement binary number