SDLC question with complete solution rated A+

SDLC question with complete solution rated A+Why are new systems created? - correct answer employees request it and to obtain a competitive advantage Systems development life cycle (SDLC) - correct answer a structured step-by-step approach for developing information systems; Determining budgets, Gathering business requirements, Designing models, Writing user documentation SDLC 7 Phases: - correct answer 1. Planning 2. Analysis 3. Design 4. Development 5. Testing 6. Implementation 7. Maintenance Planning phase - correct answer involves determining a solid plan for developing your information system; , CSF; set the project scope 1. Define the system to be developed 2.Set the project scope 3. Develop the project plan including tasks, resources, and timeframes Critical success factor (CSF) - correct answer a factor simply critical to your organization's success Project scope - correct answer clearly defines the high-level system requirements Scope creep - correct answer occurs when the scope of the project increases Feature creep - correct answer occurs when developers add extra features that were not part of the initial requirements Project scope document - correct answer a written definition of the project scope and is usually no longer than a paragraph Project plan - correct answer defines the what, when, and who questions of system development Project manager - correct answer an individual who is an expert in project planning and management, defines and develops the project plan and tracks the plan to ensure all key project milestones are completed on time Project milestones - correct answer represent key dates for which you need a certain group of activities performed Analysis phase - correct answer involves end users and IT specialists working together to gather, understand, and document the business requirements for the proposed system; Goals: Gather the business requirements & Prioritize the requirements Business requirements - correct answer the detailed set of knowledge worker requests that the system must meet in order to be successful Joint application development (JAD) - correct answer knowledge workers and IT specialists meet, sometimes for several days, to define or review the business requirements for the system Requirements definition document - correct answer prioritizes the business requirements and places them in a formal comprehensive document Design phase - correct answer build a technical blueprint of how the proposed system will work; Primary activities: Design the technical architecture & Design system models