22 Questions
What type of diagrams in the UML are used to model interaction between objects?
Sequence diagrams
What is the primary focus of structured methods in system development?
System modelling as an inherent part of the method
What is the purpose of a CASE workbench in system development?
To support related software process activities
What is the primary weakness of structured methods in system development?
They do not model non-functional system requirements
What is the primary purpose of system modelling in the RE process?
To understand the functionality of the system and communicate with customers
What is the purpose of a sequence diagram in the UML?
To show the interactions between objects
What is the primary advantage of using a CASE workbench in system development?
It supports multiple software process activities
What type of model shows the system's reaction to events?
Stimulus/response model
What type of model shows how entities are composed of other entities?
Composition model
What type of model shows how entities have common characteristics?
Classification model
What type of model shows the principal sub-systems?
Architectural model
What type of model is used to illustrate the operational context of a system?
Context model
What type of model shows the system's data architecture?
Structural model
What type of model shows the system's behaviour?
Behavioural model
What is the purpose of a data dictionary in system modeling?
To manage names and avoid duplication, and store organizational knowledge
What is an entity-relation-attribute model used for?
To describe the logical structure of data processed by a system
What is a common use of entity-relation-attribute models?
Widely used in database design
What is the role of the 'Timer' stimulus in the microwave oven operation?
The user has pressed one of the timer buttons
What is the 'start' operation in the context of microwave oven operation?
The user has pressed the start button
What is the purpose of a semantic data model in system design?
To describe the logical structure of data processed by the system
What is the role of the 'door open' stimulus in the microwave oven operation?
The oven door switch is not closed
What is the purpose of the 'checker' operation in the microwave oven?
To check the status
Learn about software modelling, including context models, behavioural models, data models, and object models. Explore the Unified Modeling Language (UML) and CASE workbenches.
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