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Object-Oriented Programming Concepts

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Questions and Answers

Which relationship indicates that there is whole-part relationship between the participating objects, but the part object(s) cannot exist without a whole object.

Composition (correct)

Association

Inheritance

Aggregation

What best describes the purpose of an Activity Diagram?

The primary purpose of an activity diagram is to model the workflow or sequence of activities within a system or process, providing a visual representation of how tasks are performed and how control flows between different activities.

Which diagram shows the order in which the action takes place and identify the outcomes?

Use case Diagram

Data Flow Diagram

Activity Diagram (correct)

ID K

In data flow diagrams, circles can be used to represent processes that take data inflows and transform them to information outflows.

True (A) Signup and view all the answers

What type of association expressed in the class diagram below

Every student can associate with multiple teachers (A) Signup and view all the answers

What is not allowed in a Level One DFD regarding data flow?

In a Level One DFD, loops or feedback are not allowed in data flow. This means that a process cannot send data directly back to itself or to a process that has already sent data to it. This restriction helps maintain clarity and avoid ambiguity in the flow of data within the system. Signup and view all the answers