Slide 1 Today you will: Develop your system to use variables to meet a particular need Complete your control system Teacher resource 8.1
Slide 2 System rules Visitors must have a valid ticket to enter the car park Must be able to operate to admit one car for every valid ticket. Must be able to let cars out of the car park Can only hold 100 cars Must inform visitors when the car park is full
Slide 3 Counting cars in and out: Main Flowchart Count cars in Count cars out
Identify Outline of the problem Analyse The needs of the system Evaluate Refining the system Design Planning all parts of the system Implement Creating the system Test Making sure the system works System life cycle Controlling the car park barrier