Artificial Intelligence

Artificial Intelligence (AI): is the science and engineering of making intelligent machines, especially intelligent computer programs. Major AI textbooks define the field as "the study and design of intelligent agents," where an intelligent agent is a system that perceives its environment and takes actions which maximize its chances of success.

Source:
http://www-formal.stanford.edu/jmc/whatisai/node1.html
http://en.wikipedia.org/wiki/Artificial_intelligence

Artificial Intelligence: Artificial Intelligence (AI) is the intelligence of machines and the branch of computer science which aims to create it. Major AI textbooks define the field as "the study and design of intelligent agents," where an intelligent agent is a system that perceives its environment and takes actions which maximize its chances of success. John McCarthy, who coined the term in 1956, defines it as "the science and engineering of making intelligent machines".
http://en.wikipedia.org/wiki/Artificial_intelligence