What are the important parts of an embedded system?

software power optimization

Power supply is one of the main components of embedded system. It is mainly used to power the system without power supply the embedded system can’t start its working. Usually 5 volt of power supply is used which has range of about 1.8 to 3.3 v. A smooth and efficient power supply should be used for proper working of embedded system. The main source of power supply includes adapter, battery etc