In a Sequence Diagram, the _____ Indicates When an Object

question 20

Multiple Choice

In a sequence diagram, the _____ indicates when an object sends or receives a message.

• A) request link
• B) focus
• C) command line
• D) lifeline

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Definitions:

Comparative Advantage

The capacity for a person, business, or nation to generate a product or service with a smaller opportunity cost compared to its rivals.

Competition

Rivalry among business firms for resources and customers.

Absolute Advantage

The ability of a country, individual, company, or region to produce a good or service more efficiently than its competitors when using the same amount of resources.

Opportunity Cost

The benefit that is missed or given up when choosing one alternative over another.