1. Exercises 01 (30 points) Consider a controller for an electric water heater (as shown below) as an embedded system answer the following questions. Temperature Setpoint Thermometer Heating Element/ Controller Thermometer Heating Element Hot Water Out a) What are the inputs devices? b) What are the outputs? Cold Water In c) Name at least two safety features you can include to the embedded system and specify what hardware and/or software is needed for each. d) Describe one or more useful energy-saving features which could you add in software if the controller could keep track the time of day. (Assume a timer/clock that is synchronized with the wall clock integrated in the controller) e) Describe a useful feature which could you add in software if the water heater controller included an internet connection.