(第5空)The purpose of systems analysis phase is to build a logical model of the new system. The first step is71, where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the 72. You use the fact-finding results to build business models, data and process models, and object models. The deliverable for the systems analysis phase is the 73, which describes management and user requirements, costs and benefits, and outlines alternative development strategies.
The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase, you need to determine the74, which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the 75, which is presented to management and users for review and approval.