AI algorithms are computational procedures used to enable machines to learn from data, identify patterns, and make decisions with minimal human intervention. These AI algorithms form the backbone of artificial intelligence and include methods like decision trees, linear regression, k-nearest neighbors, and support vector machines. More advanced techniques, such as deep learning, rely on neural networks with multiple layers to handle complex tasks like image recognition and natural language processing. AI algorithms are selected based on the problem type, data structure, and desired outcomes. They power a wide range of applications, from recommendation engines and predictive analytics to autonomous vehicles and medical diagnostics, driving efficiency and innovation across sectors.