MVC (Model-View-Controller) is an architectural pattern applied when user interface functionality needs to be kept separate from application functionality. Three types of components need to be implemented: view, which contains the application data; model, which displays parts of the underlying data and interacts with the user; and controller, which manages the interaction between the other two components TRUE or FALSE ?

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Which of the following is NOT true about system sequence diagram? Select one: a.It describes interactions between an actor and the system. b.It describes a single scenario of a use case. c.It takes into account the internal behaviors of the system. d.It is different from design sequence diagram.  e.It is described in terms of system events and returns.

You are asked to do a detailed design of part of a system using class diagram, modeling interactions and behaviour for a part of a library system. This part can be described as a use case: checkout an library item. In this use case, a librarian use the system to check out an item for a legitimate borrower. The system need to check the borrower’s record first and then update the library data, the borrower’s record etc. Design the graphic user interface for this use-case.