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Systems development life cycle

 Introduction

SDLC, The systems development life cycle (SDLC) is a conceptual model used in project management that describes the stages involved in an information system development project, from an initial feasibility study through maintenance of the completed application.

Hence an array of system development life cycle (SDLC) models has been created: Fountain, Spiral, rapid prototyping, synchronize and stabilize and Incremental. Although in the academic sense, SDLC can be used to refer to various processes followed during the development of software, SDLC is typically used to refer to the oldest of the traditional models a waterfall methodology.

 Software Engineering Process

The SDLC supports a list of important phases that are essential for developers, such as planning, analysis, design, and implementation, and are explained more in detail later in this report. Traditionally the waterfall model was regarded as the original: which adhered to a sequence of stages in which the output of each stage became the input for the next. No definitive models exist, but the steps can be describe and divided as follows:

 

• Project planning, feasibility study, Initiation:

A feasibility study is a quick examination of the problems, goals and expected cost of the system. Projects are usually evaluated in three areas of feasibility: economical, operational, and technical. In addition, it is also used as a guide to keep the project on track and to evaluate the progress of project (Post & Anderson, 2006). Thus the goal of the feasibility studies is to evaluate alterna