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Demand research is important for aApplication software developmentFor example, it is the beginning stage of system development. Its output "Software Requirements Analysis Report" is the input of the design stage. The quality of requirements research is an extremely important stage for an application software. To some extent, its quality determines the delivery result of a software.How to listen to and analyze user needs from customers has become the most important task for researchers.
Demand research is actually an art. I have a point of view that software should be practical.We should pay attention to customer needs and guide customers to come up with better solutions to problems.Thus, a high-quality software requirements analysis report can be prepared.
When the project task statement is issued to the project manager, the project manager and researchers should carefully review the software scope in the contract. Although the scope of software requirements is only roughly written in the contract, this information is extremely important, and it is a basis for the development of the research plan.
The research plan is formulated. The project manager and researchers discuss the scope of the software and divide the sequence of the research activities. The top-down method can be used to subdivide the activities. At the same time, the cycle of each activity is evaluated and the resources of each activity are allocated. It is better to associate the plan with previous experience and similar projects,Make the plan as accurate as possible.Corresponding analysis shall be taken into consideration when making plans to make the allocated time and resources as reasonable as possible.After the plan is reviewed and approved by the company, it shall be submitted to the relevant part of the customer in a timely manner, usually the information center, so that the customer can fully understand our research plan, and at the same time let them coordinate the personnel of the relevant departments to participate in our research work at the corresponding time.
Method steps
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① Investigate the organizational structure, position setting and responsibility definition of the user field, distinguish how many subsystems there are functionally, divide the general scope of the system, and clarify the goals of the system.
② Investigate the workflow, functions and processing rules required by each subsystem, and collect documents, statements and ledgerssourceAnalyze the relationship among logistics, capital flow and information flow, and how to use data flow to express the relationship between the three.
③ Prepare the contents of the survey in advance, ask different questions for users at different management levels, and make a list of questions.The needs of the operation layer, the management layer and the decision-making layer are linked and differentiated to form a pyramid, so that the lower layer can meet the needs of the upper layer.
④ Timely summarize the communication with users, sort out the research results, find out new doubts, and initially form the demandbaseline。
⑤ If the baseline meets the requirements, thenrequirement analysiscomplete;Conversely, return to step 1 or 2 or 3.This cycle is repeated for many times until the analysis is required to satisfy both parties.
