Which of the Following Statements Is True About an Expert

Multiple Choice

Which of the following statements is true about an expert system?

A) It is composed of a network of processing elements that work in parallel to complete a task, attempt to approximate the functioning of the human brain and can learn by example.
B) It is a program that works in the background to provide some service when a specific event occurs.
C) It uses reasoning methods based on knowledge about a specific problem domain in order to provide advice.
D) It allows you to make hypothetical changes to the data associated with a problem and observe how these changes influence the results.
E) It groups related records together on the basis of having similar values for attributes.