CS391 Software Engineering Chapter 2-9 Quiz

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What is the main focus of the planning stage in software engineering?

Produce Functional models

Identify System Requirements

Project Initiation and feasibility study (correct)

Produce Structural models

What type of models are used to describe the functionality of a system from a process-oriented perspective?

Environmental models

Structural models

Functional models (correct)

Behavioural models

What is the purpose of a use case diagram in software engineering?

To model the interactions between the system and its users and environment (correct)

To test the performance of a system

To design the user interface of a system

To describe the technical infrastructure of a system

In which chapter is the production of functional models, including use case diagrams and activity diagrams, covered?

Chapter 5 Signup and view all the answers

What is the purpose of functional models in software engineering?

To describe the business processes and interactions of a system Signup and view all the answers

What is the focus of the design stage in software engineering?

Chapters 8 and 9 Signup and view all the answers

What is the minimum age requirement for a customer to access Purchase Lottery Ticket?

18 years Signup and view all the answers

What does the hollow arrow between the Adult Customer and Customer represent?

Generalization relationship Signup and view all the answers

What is the result of generalization of an actor?

The descendant inherits all the use cases of the ancestor Signup and view all the answers

What does the 'include' relationship indicate in use-case diagrams?

One use case is a part of another use case Signup and view all the answers

In what situation is the Adult Customer actor allowed to step into the role of the Customer actor?

When purchasing fuel Signup and view all the answers

What is the term for one actor inheriting the role of another actor in use-case diagrams?

Generalization Signup and view all the answers

What is the purpose of generalization relationships in a use case diagram?

To represent the inheritance of interactions between actors Signup and view all the answers

What is the difference between a Registered User and a Guest User in an online shopping system?

A Registered User has additional interactions, such as viewing order history, whereas a Guest User does not Signup and view all the answers

What is the association of the Adult Customer actor?

Purchase Lottery Ticket Signup and view all the answers

What is the main reason for using generalization relationships in a use case diagram?

To simplify the diagram by inheriting interactions Signup and view all the answers

What is the characteristic of the Customer actor?

The Customer actor has no age restriction Signup and view all the answers

What is the result of having too many lines in a use case diagram?

The diagram becomes more complex and harder to understand Signup and view all the answers

What is the purpose of the include relation in use-case diagrams?

To show a mandatory part of a use case Signup and view all the answers

What is the characteristic of the included use case?

It is mandatory and not optional Signup and view all the answers

What does the extend relation in use-case diagrams indicate?

An optional step in a use case Signup and view all the answers

What should you look for in functional requirements to identify extend relationships?

Optional or exceptional flows of events Signup and view all the answers

What is an example of an extend relationship in use-case diagrams?

Book a Flight and Add Travel Insurance Signup and view all the answers

What is the symbol used to represent the include relation in use-case diagrams?

Dotted arrow Signup and view all the answers

In an activity diagram, what is the purpose of an initial node?

To mark the beginning of a set of actions or activities Signup and view all the answers

What is the main difference between an action and an activity in an activity diagram?

An activity can be further sub-divided into actions Signup and view all the answers

In an activity diagram, what is the purpose of a fork node?

To separate a single execution path into one or more parallel paths Signup and view all the answers

What is the purpose of a final-flow node in an activity diagram?

To stop one execution path but allow others to continue Signup and view all the answers

What is the purpose of a join node in an activity diagram?

To merge multiple paths back into a single path Signup and view all the answers

What is the purpose of a decision node in an activity diagram?

To represent a test to determine which path to use to continue Signup and view all the answers