Expert systems are expensive and time consuming to maintain because
A) their rule base is so complex.
B) they rely on equipment that becomes outdated.
C) their rules must be reprogrammed every time there is a change in the environment, which in turn may change the applicable rules.
D) only the person who created the system knows exactly how it works, and may not be available when changes are needed.

Question

Quizplus · Accepted Answer

Expert systems rely on a rule base that defines their decision-making process. Whenever a change in the environment occurs, the applicable rules may also change, requiring reprogramming of the system. This process can be time-consuming and expensive, as it requires expertise and resources to update the system. Additionally, maintaining the rule base of an expert system can be complex, as the rules may interact in unexpected ways, adding to the system's complexity.

Expert Systems Are Expensive and Time Consuming to Maintain Because