1. Convert the the boolean expression xy x'y to product of sums form. (Hint: use distributive and absorption rules.) A. Oxy(x' y') B. O (x' + y)(x + y') C. O (x+y)(x'+y') D.Oxy + ??. E. Onone of the above 2. Multiply the following sum temrs, forming sum-of-products expressinon and make simplifications (AB' + A'B ( A'B AB) A. OAB' + A'B B. O AB' + A'B' C. OA'B' +AB D. OA + B' E. Onone of the above 3. Consider the Verilog statement: always ela, b The list of parmeters a, b is referred to as (choose the best answer) A. parameter list B. behavioral list C. sensitivity list D. argument list E. description list 4. Using maps or whatever method you prefer, simplify the following expressions in four variables w.x. y and z 2 6,7,14,15) A. Ow x y B. Oxy C. (x + y )(z+w) E. Onone of the above