Question 1. Represent the number (-60),, as a 9-bit binary. What is its hexadecimal representation? Show all the details. Question 2. In a 6-bit system, calculate the result of the subtraction of the pair of binary signed numbers 111100 - 010010. Specify if there is overflow and justify your answer. Also, point to the carry bit. Question 3. In a 6-bit system, calculate the ranges of binary unsigned and signed numbers