This document provides an overview of artificial intelligence (AI), including its categories, applications, and future scope. It defines AI as the study and design of intelligent agents that can perceive their environment and take actions to maximize success. The document outlines three categories of AI: narrow AI, general AI, and super intelligence. It discusses current applications like expert systems, speech recognition, computer vision, game playing, and smart cars. The future scope section considers both positive and negative outcomes of advanced AI, such as AI pursuing aims that do not align with human values and creating free energy to benefit humanity. The conclusion is that AI has increased understanding of intelligence while also revealing its complexity.