Artificial intelligence, sometimes called machine intelligence, is intelligence demonstrated by machines, in contrast to the natural intelligence displayed by humans and other animals. In the context of Copputer science AI enable a computer or a computer system to perform tasks normally requiring human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages.
Major sub-fields of AI
Machine Learning, Neural Networks, Evolutionary Computation, Vision, Robotics, Expert Systems, Speech Processing, Natural Language Processing, and Planning.