Boolean Logic . Please give an explanation.

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4(a) Write a Boolean expression in sum of product form for the following truth table. (10 points) A 0 0 0 0 1 1 1 1 B 0 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(c) Implement a logic circuit diagram, using only NAND gates, for the function represented in the truth table in 4(a). (10 points)