Loading of programs and data in a data processing system e.g. for motor vehicle

摘要

A user unit (1) located within a road vehicle system has a micro controller (2) coupled to a range of modules e.g. radio tuner, card reader . The system has a transmitter/receiver (6) and a memory (7) and communication is made via a radio link (8) to a network provider (5) that allows access to data sources.