Which of the Following Statements About an Index File Is

question 21

Multiple Choice

Which of the following statements about an index file is (are) true?

• A) It is an auxiliary file to a data file that is used to increase the speed at which records in the related data file are sorted and accessed.
• B) It contains only two fields.
• C) It is maintained in order of the index key.
• D) All of the above statements about an index file are true.

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Definitions:

Price

The sum of money needed to buy a product or service.

Short-Run Supply Curve

A graphical representation showing the quantity of a good that producers are willing and able to sell at different prices over a short period.

Marginal Cost Curve

A graph showing the change in the cost of producing one more unit of a good as production levels change.

Short-Run Supply Curve

A graphical representation showing the quantity of goods a firm is willing to supply at different price levels in the short term, holding some inputs fixed.