Perform the following conversions: a. Convert 63 (decimal) to binary and to hex b. Convert 0xB 1 (hexadecimal) to binary and to decimal c. Convert 0b00 101111 (binary) to hex and to decimal Perform the following 4-bit unsigned operations. For each, indicate the 4-bit result and the carry bit, and indicate if the answer is correct or not. a. 3 + 8 b. 6 + 12 c. 6-2 d 1 - 5 Find the 2's complement of the following 4-bit numbers a. 1010 b. 0100 Perform the following 4-bit signed operations. For each, indicate the 4-bit result and indicate if there is an overflow or not. a. 5 + 2 b. -3 + -6 c. -4 + 7 d. 3-4 A computer has an 8-bit register that is holding the value 0xC7 (hexadecimal). a. What is the binary equivalent? b. In unsigned numbers what is the decimal equivalent? c. In signed numbers what is the decimal equivalent