Answer if you are about to add all the solutions, thanks.

Question 1 Which is the minimum size of the address bus to be able to access all the bytes in a 4GB RAM? Report all the steps: Question 2 Question 3 Compute the sum of the following numbers, when PB: X + Y = Answers overflow? (2C) on 8 bits. For any operation, indicate if there is overflow or not. 2C: x Y- overflow? Y 10101011 Report ALL steps