Artificial intelligence, often abbreviated as AI, is a broad field in computer science focused on creating systems and machines that can mimic or simulate human intelligence. This involves designing algorithms and models that enable computers to perform tasks which typically require human cognitive abilities—such as learning, reasoning, problem-solving, perception, language understanding, and decision making.
The concept of artificial intelligence dates back to the mid-20th century, when researchers first began to explore whether machines could be made to “think.” Since then, the field has rapidly advanced, powered by breakthroughs in computational power, data availability, and algorithmic innovation. Today, AI is an umbrella term covering a variety of subfields and techniques, including machine learning, natural language processing, computer vision, robotics, and expert systems.
At its core, AI systems are designed to process data, recognize patterns, and make predictions or decisions with minimal human intervention. Some AI programs are rule-based, following explicit instructions, while others leverage large datasets to learn and adapt patterns through experience (these are typically called machine learning systems). Deep learning, a subset of machine learning, uses artificial neural networks inspired by the human brain to solve complex problems like image recognition and speech translation.
AI can be classified into narrow and general intelligence. Narrow AI (also called weak AI) is specialized for specific tasks—like voice assistants or spam filters—while artificial general intelligence (AGI) would perform any intellectual task a human can. Currently, most real-world applications involve narrow AI, but research into AGI continues.
Modern AI powers a wide range of technologies, from recommendation systems on streaming platforms to self-driving cars and advanced medical diagnostics. As AI systems improve, questions around ethics, bias, transparency, and societal impact have become increasingly important. Responsible development and deployment of AI require careful consideration of these issues, as well as ongoing evaluation and oversight.
For businesses and individuals alike, understanding artificial intelligence is key to navigating a world where intelligent systems are becoming more prevalent in everyday life, transforming industries and creating new opportunities and challenges.