Software Analysis Quiz - Chapter 3 part 2

What does a use case diagram provide?

• A high-level view of system functionality

• A detailed view of system functionality

• A sequence of user interactions

• An internal view of the system

What does an actor represent in a use case diagram?

• A human user

• An external system

• Both a human user and an external system

• The internal functionality of the system

What is the default relationship in a use case diagram?

• Association

• Generalisation

• Include

• Extend

What does the 'include' relationship indicate in a use case diagram?

• One use case is included in another

• One use case can sometimes be included in another

• One use case extends another

• One use case is a generalisation of another

What does the 'extend' relationship indicate in a use case diagram?

• One use case is included in another

• One use case can sometimes be included in another

• One use case extends another

• One use case is a generalisation of another

What does a context diagram focus on?

• The functionality of the system

• The sequence of user interactions

• The flow of data in and out of the system

• The internal workings of the system

What does a data flow represent in a context diagram?

• A process within the system

• An external entity interacting with the system

• The flow of information within the system

• The boundaries of the system

What level of detail does a Level 1 DFD provide?

• The core processes within the system

• The inner workings of the processes in a Level 0 DFD

• The flow of data in and out of the system

• The boundaries of the system

What is the purpose of a data flow diagram (DFD)?

• To show the flow of data between processes

• To represent the layout of a software system

• To track music performances

• To store data in a database

What does a process represent in a DFD?

• The whole system in a context diagram

• A whole function in a DFD

• A collection of data in a data store

• An external entity in a DFD