Based on the detailed investigation of the system, the logical functions of the system are determined and expressed by using various theories, methods and technologies developed by the system, and the logical scheme of the system is formed, including the system structure, problem handling flow and analysis and calculation model.
The logical scheme of the new system logically describes the goal, function and performance of the new system, and expresses it in the form of system analysis report, which is the basis of the next stage of system design.
The main contents of information system analysis are expounded:
The larger the system scale, the more complex the system analysis is. Generally, system analysis includes the following two aspects.
Through a detailed understanding of the enterprise's organizational structure, objectives, business processes and data processes, we can analyze and understand the actual needs of users and management services for system development, including the requirements for system functions and performance, as well as the intentions and plans for development cycle, development methods and software and hardware configuration.
Usually, users first put forward initial requirements, and then system analysts make a detailed investigation of the system to further improve the requirements of users for the system, and finally define the system requirements in the form of system requirements specifications.