System Development Life Cycle

1351 Words Dec 15th, 2012 6 Pages
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.

➢ Their participation depends on the strategic value of the project.
➢ Systems Analyst.
➢ Database Administrator.
➢ Network Specialist.
➢ Programmer
➢ Operations Personnel
➢ Executives
➢ MIS/IS Steering
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➢ Organize the project team
-Who does what?
-Define the information needs
: What kind of information will be needed?
: What tools should be used to get the information effectively?
-Define the system performance criteria.
-Prepare the design proposal.

➢ Identify and describe complete problem specification.
➢ Studies and documents the current system – in terms of its problems, requirements and processes.
➢ Prepares a list of requirements for the new system.
➢ Diagrams the functions of the existing system necessary for the development of the new system.

• The determination of the processes and data that are required by a new system.
➢ Prepare the detailed systems design
➢ Identify alternative system configurations
➢ Evaluate alternative system configurations
➢ Select the best configuration
➢ Prepare the implementation proposal
➢ Approve or reject the proposal

• The acquisition…