Software Modelling

A. Three
B. Four
C. Six
D. Nine

Explanation: The different notations of UML includes the nine UML diagrams namely class, object, sequence, collaboration, activity, state-chart, component, deployment and use case diagrams.

A. Level 1
B. Level 2
C. Level 3
D. Level 4

Explanation: Level 1 ERD models all data objects (entities) and their “connections” to one another while Level 3 ERD models all entities, relationships, and the attributes that provide further depth. Thus option b is correct.

A. Behavioral Model
B. Context Model
C. Data Model
D. Structural Model

Explanation: Structural models show the organization and architecture of a system. These are used to define the static structure of classes in a system and their associations.

A. Deployment
B. Collaboration
C. State chart
D. All of the mentioned

Explanation: State diagrams show system states and events that cause transitions from one state to another.

A. Realization
B. Aggregation
C. Generalization
D. dependency

Explanation: Generalization is an everyday technique that we use to manage complexity. This means that common information will be maintained in one place only.