This code can be sent, along with any other code (based on the knowledge of other experts) and to answer questions (queries) from a computer. Expert systems usually consist of three parts: (1) a knowledge base that contains investigation information obtained from experts and logical rules that contain the rule applied since this information, (2) an inference engine that interprets the problem presented in the rules and logical information stored in the knowledge base, and (3) the user interface for the problem can be expressed in a human language such as English. Despite its previous hopes for expert systems, the technology only finds application in areas where information is found across a series of sets, such as insurance reduction or certain aspects