What are the 4 types of AI?

There are several ways to classify AI, but a common framework is to divide it into four categories:

Reactive machines: These AI systems can only react to the environment, and do not have the ability to form memories or make decisions based on previous experiences. Example: IBM's Deep Blue chess computer
Limited memory: These AI systems have a limited memory, which allows them to use past experiences to inform current decisions. Example: self-driving cars that can remember past traffic patterns
Theory of mind: These AI systems can understand and simulate human emotions and mental states.
Self-aware: These AI systems possess a sense of self-awareness and consciousness. Such AI systems are not yet exist.

It's important to note that the boundary between these categories is not clear-cut, and some systems may possess features of more than one category.

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