Tiêu đề Chapter02_part2.pptx ✅

Representing Requirements (1 of 9) Once requirements have been gathered, they must be recorded An analyst should document their work according to the following principles: Record information as soon as it is obtained Use the simplest recording method possible Record findings in such a way that someone else can understand them Organize documentation so related material is located easily

Representing Requirements (3 of 9) For people who are more visual, diagrams are an option to represent system requirements A functional decomposition diagram (FDD) is a top-down representation of a function or process A business process model (BPM) represents one or more business processes A data flow diagram (DFD) can be used to show how the system stores, processes, and transforms data (Details in the chapter 3)