Clarify Information Requirement under Case Study

Information system (IS) is considered as weapon of competition. At the meanwhile, IS selection decisions should be driven by organization-specific requirement in areas such as ease and speed of the deployment, the acquisition costs, and the integration with the established security and infrastructure? Hence, how to clarify the IS needs is the most importance thing when designing new IS. In this study, we use case study to draw the influence factor diagram of system effect for the purpose of an overall understanding of the requirements of the company.