Answer the following questions A) Explain the concept of Embedded systems. B) Give three examples of embedded systems (make sure you highlight why the system you selected are considered embedded systems). C) Choose one of the systems you mentioned earlier in section 2 and explain its Behavioral hierarchy and structural hierarchy. D) Based on embedded system design process (see key martials folder), you need to lay down the step included in designing an embedded system of your choice. Keep in mind that you are going to design and simulate this system on proteus and AVR studio in tasks two and three. (give any idea) (Write by Microsoft word . (text))