Understanding Artificial Neural Networks as a Layman.

The term "Artificial Neural Networks" is derived from the biological structure of brain which is basically composed of interconnected network of neurons. For understanding this we must understand the functioning of brain. Suppose you are driving a car and suddenly a person comes running in the middle of Road. So now you would be thinking that the person writing the article is somewhat mad because nobody will opt for the fourth option. Let us understand the fourth option first.