Artificial Intelligence (AI) is a field of computer science that focuses on building intelligent systems capable of performing tasks that normally require human intelligence, such as learning from data, recognizing patterns, understanding language, and making decisions. AI uses technologies like machine learning, deep learning, and neural networks to analyze information and improve performance over time, and it plays a major role in modern applications including healthcare, finance, automation, cybersecurity, and smart technologies, making it one of the most important and future-oriented domains today.