20) Given a computer that has a max word size of 6 bits. What is the largest signed number this computer can represent? 21) What is the solution to this binary addition? 01110101 00111011 22) Subtract the following signed binary numbers as using 2's complement arithmetic. 01110101 00111011 23) The binary ASCII value of uppercase G is: 01000111 . What is the binary ASCII value of lowercase g ? 24) Given the following Boolean expression: yz+z(xy) ' What does the following Boolean function evaluate to: f(1,1,1) 25) Given the Kmap below, determine the simplified Boolean expression it represents