data flow (picture),”`identifycation and description of problem areas in the system, which are grouped and become the basis for the development of the new system is the final stage of the analysis phase. Here the analayust will look at all of the data that they have collected and decided where the current systems performance can be improved. The analyst will then reconstruct the DFOs to represent the propsed changes
as well as detailing the processing that will take place in each part of the system. in this final stage the analyst will describe what has to happen in each point the proposed system. These descriptons will form the basiss for the devleopment of the new system.”