Question 4: (12.0 Points; 4.0 + 4.0 +4.0) The external advisory board of Engineering College consists of nine members and to approve any decision in the meeting two third of members must vote positively. The vote is tabulated and converted to BCD code. 1. Derive a truth table for the problem. 2. Derive a minimum sum of products expression from the map. 3. Design the combinational circuit. Ans: Truth Table K-Map w x y z yz WX F = Logic Diagram