What are the different phases of SDLC ?
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Answer Posted / surabh bade
1: Preliminary analysis: The objective of phase1 is to
conduct a preliminary analysis, propose alternative
solutions, describe costs and benefits and submit a
preliminary plan with recommendations.
2: Conduct the preliminary analysis: in this step, you
need to find out the organization's objectives and the
nature and scope of the problem under study. Even if a
problem refers only to a small segment of the organization
itself then you need find out what the objectives of the
organization itself are. Then you need to see how the
problem being studied fits in with them.
3: Propose alternative solutions: In digging into the
organization's objectives and specific problems, you may
have already covered some solutions. Alternate proposals may
come from interviewing employees, clients , suppliers,
and/or consultants. You can also study what competitors are
doing. With this data, you will have three choices: leave
the system as is, improve it, or develop a new system.
Describe the costs and benefits.
4: Systems analysis, requirements definition: Defines
project goals into defined functions and operation of the
intended application. Analyzes end-user information needs.
5: Systems design: Describes desired features and
operations in detail, including screen layouts, business
rules, process diagrams, pseudocode and other documentation.
6: Development: The real code is written here.
7:Integration and testing: Brings all the pieces together
into a special testing environment, then checks for errors,
bugs and interoperability.
8:Acceptance, installation, deployment: The final stage
of initial development, where the software is put into
production and runs actual business.
9: Maintenance: What happens during the rest of the
software's life: changes, correction, additions, moves to a
different computing platform and more. This is often the
longest of the stages.
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