4(a) Write a Boolean expression in sum of product form for the following truth table. (10 points) B 0 A 0 0 0 0 1 1 1 1 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 Output 0 0 1 1 0 0 0 1 4(b) Implement a logic circuit diagram using AND, OR gates, for the function represented in the truth table in 4(a). (10 points) 4) Implement a logic circuit diagram using only NAND gates, for the function represented in the truth table in 4(a). (10 points) 5. Simplify the following Boolean expressions using Boolean algebra properties. (7 + 7 points) A (A+) (AD + AD) + AC + C B. ABC + ABC + ABC