2. A car security system is designed to allow the car to move when at least three of four security measures are in place. Design a circuit to represent this system. Show the truth table, and simplify the derived expression using a Karnaugh map. 3. Derive and simplify the Boolean expression representing F. Draw the corresponding logic diagram. A B F 1 1 1 1 1 1 1 1. 1 1 1 1 1 1 1 1 1