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System development life cycle is a systematic way of developing any new system.
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SDLC is a term used in systems engineering, information systems and software engineering to describe a process for planning, creating, testing, and deploying an information system.
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It is part of software engineering.
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The systems development life cycle concept applies to a range of hardware and software configurations, as a system can be composed of hardware only, software only, or a combination of both
Importance and Necessity of SDLC
Importance
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SDLC serves as a guide to the project and provides a flexible and consistent medium to accommodate changes, and perform the project to meet client’s objectives.
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SDLC phases define key schedule and delivery points which ensure timely and correct delivery to the client within budget and other constraints(limitation) and project requirements.
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SDLC co-operates project control and management activities as they must be introduced within each phase of SDLC.
Necessity
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The size of the organization is becoming larger due to rapid rate of industrial development
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Computer based processing enables the same data to be processed in many ways based on needs .
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As the volume of data has increased and the variety of information and their timeliness is now of great importance.
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Organizations are distributed with many branches.
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