An expert system is made up of three basic components:
It allows a user to speak with an expert system in order to discover a solution to an issue.
The expert system’s main processing unit, or brain, is referred to as this. It draws a conclusion from the knowledge base by using various inference rules. With the aid of an inference engine, the system pulls data from the KB.
The knowledge base is a sort of storage space where domain-specific, high-quality knowledge is stored.