| Chapter 9 definition1.Alegacy systemis an old system that is fast approaching or beyond the end of its usefullife within an organization.2.Conversionis the process of transferring information from a legacy system to a newsystem.3.Software customizationmodifies software to meet specific user or businessrequirements.4.Off-the-shelf application softwaresupports general business processes and does notrequire any specific software customization to meet the organization's needs.5.Thesystems development life cycle (SDLC)is the overall process for developinginformation systems, from planning and analysis through implementation andmaintenance. The SDLC is the foundation for all systems development methods, andhundreds of activities are associated with each phase. These activities typically includedetermining budgets, gathering system requirements, and writing detailed userdocumentation. |
