A. Ch. 3-Overflow We are given hexadecimal (hex) numbers as shown below -these represent 8-bit, signed, 2's- complement numbers. 1) First, we are given A 7F16, B 6A16. What is the result of A B (in hex)? Is there an overflow? Explain why (or why not) 2) Next, we are given A 4F16, B 2B16. What is the result of A B (in hex)? Is there an overflow? Explain why (or why not)