Today's Lecture..

Assalammu'laikum..
Today we have started learning chapter 5, about Designing the Syatem..

Design is the creative process of transforming the problem into a solution. The description of a solution is also known as design, the requirements specification defines the problem. The design document specifies a particular solution to the problem.

Besides that, there are two part interactive process; Conceptual design (to tells the customer what the system will do) and Techical design (to tells the programmers what the system will do). Puan Badariah also explained about the five ways to create designs : Modular decomposition, Data-oriented decomposition, Event-oriented decomposition, Outside-in design and Object-oriented design.

We also learned about design styles, which is pipes and filters, Object-oriented design, Implicit invocation, Layering, Repositories, interpreters, Process control and Client-server.

Actually about the Characteristics of Good Design, Exeption Identification and Handling is already come out in the previous exam.

Puan Badariah also explained about Design Evalution and Validation Design Reviews. Preliminary design review, examines conceptual design with customer and users. For the Critical design review, its presents technical design to developers and the lastly is Program design review, the programmers get feedback on their designs before implementation.

Okay...that's all for today lecture...