What are the three laws of Robotics By Isaac Asimov?

Have you heard about the term called, Asimov's "The Three Laws" of Robotics.

These laws are a set of three rules written by sci-fi author Isaac Asimov and later expanded upon. The rules are introduced in his 1942 short story Runaround although they were foreshadowed in a few earlier stories.

The Laws are as follows:

1. A robot may not injure a human being or, through inaction, allow a human being to come to harm.

2. A robot must obey any orders given to it by human beings, except where such orders would conflict with the First Law.

3. A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.

Later on they went to add more laws in the series.

Fourth Law in Icarus's Way is:

"A robot must establish its identity as a robot in all cases."

Fourth Law in Foundation's Friends:

"A robot must reproduce. As long as such reproduction does not interfere with the First or Second or Third Law."

Fifth Law of robotics:
"A robot must know it is a robot."

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I found this information amusing and so I thought I should share it with CEans.