Artificial Intelligence (AI) is a branch of computer science that focuses on creating machines capable of performing tasks that typically require human intelligence. These tasks include problem-solving, learning, reasoning, perception, and language understanding. AI can be categorized into narrow AI, which is designed for specific tasks like speech recognition, and general AI, which aims to replicate human cognitive abilities. It incorporates techniques such as machine learning, neural networks, and natural language processing to enhance automation and decision-making. AI is transforming industries like healthcare, finance, and robotics, driving innovation and efficiency in various domains.