Artificial Intelligence, or A.I., refers to the ability of machines and computer systems to perform tasks that typically require human intelligence. This includes activities like understanding natural language, recognizing patterns, solving problems, and making decisions. A.I. can be categorized into two main types: narrow A.I., which is designed for specific tasks, and general A.I., which aims to perform any intellectual task that a human can do. A.I. technologies are used in various applications, such as virtual assistants like Siri and Alexa, self-driving cars, and recommendation systems on platforms like Netflix and Amazon. These systems learn from data and improve their performance over time, making them increasingly effective in assisting users and automating processes.