In the New Year, my mother and I are ready to clean and tidy the room, and throw away many, many bad things. I saw something in the room, I asked my mother she said to me this is the adapter, I ask, what is adapter, mother gave me that adapter is an interface converter, said that the adapter is a separate interface equipment, electronic interface and other electronic interface links. Mother gave me said adapter will use in our daily life has a lot of places are also use adapter, I don’t know this adapter, feel good ignorance ah, a lot of electronic knowledge dou didn’t know. I hope I can learn more about electronic and other knowledge in the future, so that I can know the knowledge and functions of various aspects and so on.