Answer Happy

PART B (50 MARKS) QUESTION 1 Figure 3 shows a snacks vending machine controller that accepts coins in the form of nickles (5 cents each), dimes (10 cents each) and quarters (25 cents each). When the value of money inserted equals or exceeds thirty cents, the machine vends a potato chips and returns change if any, and wait for the next transaction. The machine cannot accept more than one similar coin at a time (eg 2 nickels or 2 dimes) or all the coins at one time (eg nickel + dime + quarter). Vending machine Snack Change 00 59 (109 258 es 50 S C1 C2 C3 $ Logic (104 Sensor Generates 000 - 111 Circuit GO (254 Figure 3 Based on the above scenario, design the logic circuit. Assume on = 1, off = 0. Your solution should include: a) Truth table. (4 marks) b) Simplified equation (4 marks) c) Logic circuit (4 marks)