UML Subsystem Models and Sequence Diagrams

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What is the primary purpose of understanding the system context?

To design the system architecture

To set the system boundaries and establish relationships with the external environment (correct)

To develop design models

To specify object interfaces

What type of model demonstrates the other systems in the environment of the system being developed?

System context model (correct)

Aggregation model

Interaction model

Use case model

What is used to design the system architecture?

Generalisation models

System context models

Interaction models

Information gathered from understanding interactions between the system and its environment (correct)

What is the benefit of setting the system boundaries?

To decide which features are implemented in the system being designed and which are in other associated systems Signup and view all the answers

What type of model shows how the system interacts with its environment as it is used?

Interaction model Signup and view all the answers

What is the primary focus of a State Machine Model?

To show how individual objects change their state in response to events. Signup and view all the answers

What is the result of understanding the relationships between the software being designed and its external environment?

Deciding how to provide the required system functionality and how to structure the system Signup and view all the answers

What type of design model shows the logical groupings of objects into coherent subsystems?

Subsystem Model Signup and view all the answers

What is the purpose of a system context model?

To demonstrate the other systems in the environment of the system being developed Signup and view all the answers

What is the first step in designing a system?

Defining the context and modes of use of the system Signup and view all the answers

What is the primary focus of a Sequence Model?

To show the sequence of object interactions. Signup and view all the answers

What type of design model describes the dynamic interactions between objects?

Dynamic Model Signup and view all the answers

What is an example of a design model that describes the static structure of the system?

Static Model Signup and view all the answers

What type of design model is focused on the interactions between actors and the system?

Use-Case Model Signup and view all the answers

What type of design model is used to show the part-of relationships between objects?

Aggregation Model Signup and view all the answers

What type of design model is used to show the is-a relationships between objects?

Generalisation Model Signup and view all the answers

What is the primary purpose of sequence diagrams?

To represent the sequence of object interactions Signup and view all the answers

In a sequence diagram, what does a thin rectangle in an object lifeline represent?

The time when the object is the controlling object in the system Signup and view all the answers

What type of diagrams are used to show how objects respond to different service requests and the state transitions triggered by these requests?

State diagrams Signup and view all the answers

According to the UML, what is used to show the logical organisation of objects in the system?

Packages Signup and view all the answers

What is the purpose of interface specification in object-oriented design?

To allow objects and other components to be designed in parallel Signup and view all the answers

What type of diagrams are used to model the high-level behavior of a system or an object's run-time behavior?

State diagrams Signup and view all the answers

What is the primary purpose of subsystem models?

To show how the design is organised into logically related groups of objects Signup and view all the answers

What is used to specify the interface of an object in the UML?

Class diagrams Signup and view all the answers