Intelligent systems are computer-based systems that can perform tasks that typically require human intelligence. These tasks include problem-solving, learning, and decision-making. They often utilize technologies such as artificial intelligence, machine learning, and data analysis to process information and improve their performance over time. These systems are used in various applications, from self-driving cars to virtual assistants like Siri and Alexa. By analyzing data and recognizing patterns, intelligent systems can adapt to new situations and provide solutions that enhance efficiency and productivity in many fields, including healthcare, finance, and manufacturing.