Context Diagram for GPS System (pg 83)

(a). A handheld HPS system gets location data from satelites and the final destination from the user. The system then directs the user to their destination.

(b). A booking system is being developed for an upcoming conference. The system recievees online bookings from conference delegates, sends payment details to PayPal for processing and approval, and then sends each delegate an email to confirm details of each booking has been made and payment has been completed.