Children need embedded systems to play smart video games and to operate automatic chocolate-vending machines! Young people need embedded systems to borrow smart cards from parents to see movies! Housewives need embedded systems for smart Internet-compliant home appliances, such as, microwave, television, music system, and so on. The driver needs it for automatic cruise control of car. Organisations require embedded systems for network systems and products. There are uncountable examples of the applications of embedded systems.