Expert Systems Are Expensive and Time Consuming to Maintain Because

question 1

Multiple Choice

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• B)they rely on equipment that becomes outdated.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.
• E)it is difficult to program at this level of complexity without introducing software bugs.

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Definitions:

Digital Downloads

The distribution of digital content such as music, movies, and software via the internet, without the use of physical media.

Online Retail Sales

The process of purchasing goods or services over the Internet, directly from retailers.

Expired Products

are items that have surpassed their shelf life or expiration date and are no longer considered safe or effective to use.

Consumption Expenditures

The total amount spent by households on goods and services for their own use, not including savings or investments.