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• B)they rely on equipment that becomes outdated.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.

---

Definitions:

Net Income

The total profit of a company after all expenses, including taxes and operating costs, have been subtracted from total revenues.

Variable Production Cost

Costs that fluctuate with the production volume, including variable manufacturing overhead, direct materials, and direct labor.

Fixed Production Cost

Costs that do not vary with the level of output, such as salaries, rent, and depreciation of production facilities.

Selling & Admin. Expense

Operating expenses related to selling the product and managing the business, excluding production costs.