Week 1: System and Application Overview: An overview of the system or software application an intended users Week 1: Requirements Specification: Detailed requirements specification with both functional and nonfunctional requirements Week 2: System and Application Design: A high-level design in the form of use cases and detailed design models utilizing computer-aided software engineering (CASE) tools to represent the data, processes, and interfaces Week 3: Test and Quality Assurance Plan: A test and quality assurance plan that included the various tests and quality control measures that need to be taken into consideration Week 4: Development Strategy: A development strategy that weighs make versus buy or insourcing versus outsourcing acquisition strategies Integration and Deployment Plan Develop an overall work breakdown structure (WBS) for the 7 system development life cycle (SDLC) phases: Preliminary Analysis System Analysis or Requirements Definition System Design Development Integration and Testing Acceptance, Installation, and Deployment Operation Support and Maintenance .