What is embedded Microcontroller?

A microcontroller is an integrated circuit that governs one particular task in an embedded system. Every typical microcontroller has a memory, a processor and input and output peripheral all on a single chip. In some cases, it is called an embedded controller and it is used in vending machines, vehicles, medical devices, home appliances, robots, and mobile radio transceivers. They are small personal computers used for controlling small features of a bigger component.