A Random Access File

question 6

Multiple Choice

A random access file:

• A)Can be accessed sequentially.
• B)Uses many methods of accessing records including linked lists and binary trees.
• C)Can access any record without reading through any other records.
• D)All of the above.

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Definitions:

Pollutant Permits

Government-issued licenses allowing the holder to emit a certain amount of pollution; they can be bought and sold, creating an economic incentive for reducing emissions.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount that they actually do pay.

Demand Curve

A graph showing the relationship between the price of a good or service and the quantity demanded by consumers, typically downward sloping.

Adverse Selection

A situation in insurance and markets where buyers and sellers have different information, leading to transactions where the seller is more likely to sell a low-quality product.