Artificial intelligence is the field of study that describes the capability of machines to learn and act intelligently like humans. The document discusses the history of AI beginning in 1956 and provides descriptions of common AI algorithms and models including support vector machines and artificial neural networks. Examples of applications of AI discussed include voice recognition, virtual assistants like Siri, machine learning platforms, and robotic process automation. The document also outlines the typical phases of AI systems as getting data, preparing the data, training a model, and testing the model.