. What is the decimal representation of the following binary numbers? a. 10000000 b 1100 1100 101 101 1 1 12. What is the 7-bit binary (two's complement) representation of each of the following decimal integers? b. 36 c. 13. What is the minimum number of binary bits needed to represent each of the following decimal integers? a 4095 b. 6 5 53 4 c. 2134657 14. Why was Unicode invented? 1s. What is the largest value you can represent using a 256-bit unsigned integer? 16. What is the largest value you can represent using a 256-bit signed integer? 17. Name all 32-bit general-purpose registers