A Special Field Value,distinct from 0,blank,or Any Other Value,that Indicates

question 37

Multiple Choice

A special field value,distinct from 0,blank,or any other value,that indicates that the value for the field is missing or otherwise unknown best defines:

• A)transitive value
• B)primary key
• C)null value
• D)pointer

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Definitions:

Productivity Growth

An increase in the efficiency of production, often measured as the increase in output per unit of input over time.

Computers

Electronic devices that are capable of executing a series of arithmetic or logical operations.

U.S. Investment Spending

Money expended on capital goods in the United States, which includes expenditures on equipment, infrastructures, and buildings.

Computing Technology

The branch of technology that encompasses computers and their software, hardware, and networking capabilities.