What is an embedded system?
A computer system which has a dedicated function within a larger device
Characteristics of embedded systems
Low Power - to operate efficiently from a small power source
Small Size - to fit into portable devices
Rugged - to operate in harsh environments
Low cost - so suitable in mass produced, low cost devices
Dedicated Software - to complete specific task
Examples of household embedded systems
Washing Machines
Telephones
Televisions
Home security
Dish Washers
Micro-Wave Ovens
Input examples on a Washing Machine
Choice of program
Water temp
Water Level
Output examples on a Washing Machine
Display progress
Signal to heater
Signal to motor