3. Given the function defined in the truth table below, find: a. A sum-of-products expression using minterms b. A product-of-sums expression using maxterms C. Draw a circuit that implements the product-of-sums expression (you do not need to minimize the circuit) d. Draw a circuit that implements the product-of-sums expression using only NOR gates 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 F 1 0 1 1 1 1 0 1