System Development Life Cycle

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Systems Development life Cycle (SDLC) ➢ The traditional methodology used to develop, maintain, and replace information systems. ➢ The evolution of process that is followed in implementing a computer-based information system subsystem. ➢ Also known as Systems life cycles, Systems Development Methodology, Project Life Cycle, and Methodology. Participants: ➢ Their participation depends on the strategic value of the project. ➢ Systems Analyst. ➢ Database Administrator. ➢ Network Specialist. ➢ Programmer ➢ Operations Personnel ➢ Executives ➢ MIS/IS Steering Committee…show more content…
st ➢ Debugging tends to the extremely difficult during the final stages of system testing usually rises exponentially at the final stages of testing • Phases progress sequentially • Relies on outdated techniques SEMI-STRUCTURED PROJECT LIFE CYCLE Features: • Uses top-down implementation • Uses structured design STRUCTURED PROJECT LIFE CYCLE Terminators: • Users • Managers • Operations Personnel Activities: • Survey ➢ Identification of users & development of initial system scope ➢ Identification of current deficiencies in the user’s environment ➢ Establishment of goals / objectives for a new system ➢ Determination of feasibility to automate ➢ Preparation of project charter • Analysis ➢ Transformation of user policy & project charter into a structured specification ➢ Development of system models (environmental, behavioral, essential) ➢ Preparation of budgets & cost-benefit calculations • Design ➢ Allocation of essential model to appropriate processors & task ➢ Transformation of ER data models into a database design ➢

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