Which Module Is Missing from Most Expert Systems

question 9

Multiple Choice

Which module is missing from most expert systems?

• A) user interface subsystem
• B) knowledge base subsystem
• C) inference engine
• D) knowledge refinement subsystem

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Definitions:

Net Present Value

The calculation used to find today's value of a future stream of payments and receipts by discounting them at a specific rate, often used in capital budgeting to assess the profitability of an investment.

Postaudit

A thorough review conducted after the completion of a project or investment to evaluate its actual performance against expected outcomes.

Break-Even Time

Break-Even Time refers to the period required for a business to generate enough revenue to cover its total initial investment costs, effectively reaching a financial state where no loss or gain is realized.

Payback Period

The time it takes for an investment to generate an amount of income or cash equivalent to the cost of the investment.