Explain Android: What is the Bootloader

 

Imagine that the Android system, such as a small office by several branches such as the Cache partition branc  ,And the branch Dalvik cache and the bootloader is the director of this section who passes by all branches of the office.

note : In other words, can not anyone in the office without doing anything to return the bootloader .

User dealing with boot loader virtually non-existent and does not deal directly with him!