Question

What is an autobiography?

Answer 1

An autobiography is a written account of the life of a person written by that person. In other words, it is the story that a person wrote about themselves.
The first autobiographical work  was written in the late 11th century, by Abdallah ibn Buluggin, last Zirid king of Granada. 

Answer 2

Autobiography is the book which tells about one's life and it is written by the person whose life is described in the book. Example: My experience with truth by Mahatma Gandhi Ji