A driver using an electric vehicle (EV) charging station will be able to initiate a charging session, monitor progress, and process payment. When initiating a charging session, the driver will scan their RFID card, before selecting the charger connector type.
Decomposition has been used to break this system down into smaller sub-problems. The hierarchical diagram below represents the design of the system.
Complete the decomposition of this system by stating what should be written in:
- Box A
- Box B