1. (a) (i) UML provides notation and diagrams (e.g. Use Case diagram) to support a User View/Perspective of a software system. Identify two other Views/Perspectives of a software system that UML provides for. [4 Marks] (ii) For each of the two additional views identified in (i) above, outline the main goal of the view and identify one diagram that could be developed to support its goal. [6 Marks] (b) A software system can be accessed by / interact with many users/systems. Illustrate, using example diagrams of your choice, the notation used to model different types of users and how they interact with the system. [7 Marks] (c) Discuss what is meant by Generalisation and Specialisation in terms of modelling user interaction with the system. [6 Marks] (d) Discuss what is meant by a Use Case Extended Description. In your answer, provide an example of your choice that illustrates the modelling of a normal flow and alternate flows. [10 Marks]