Goals of an Expert System

In its field of expertise, an expert system should be able to meet the following objectives  

Some Advantages and Disadvantages of Silicon-Based Experts 

Reliable and reproducible will not make mistakes if correctly programmed 

Not affected by external factors, such as dislike of user or having had a bad night always available expert systems do not have strops 

Readily reproduced unlimited number of copies of an expert system can be made once the first one has been constructed 

---