Explain software development life cycle pdf

A lifecycle covers all the stages of software from its inception with requirements. Sdlc is the acronym of software development life cycle. Here, are some most important phases of sdlc life cycle. Sdlc or the software development life cycle is a process that produces software with the highest quality and lowest cost in the shortest time. The first is to explain what a systems development lifecycle sdlc is and why one is needed. Pdf software development lifecycle models researchgate. This history column article provides a tour of the main software development life cycle sdlc models. This methodology improves the quality of the software project and over all process of software development. What is software development life cycle sdlc software development life cycle consists of details steps and activities which describes how.

Sdlc 1 software development life cycle sdlc is a process used by the software industry to design, develop and test high quality softwares. The sdlc aims to produce a highquality software that meets or exceeds customer expectations, reaches completion within times and cost estimates. A lifecycle covers all the stages of software from its inception with requirements definition through to fielding and maintenance. It covers the detailed plan for building, deploying and maintaining the software. This document describes the software development lifecycle sdlc for small. Software development life cycle sdlc is a framework that defines the steps involved in the development of software at each phase. In this sdlc model, the outcome of one phase acts as the input for the next phase. Software life cycle models describe phases of the software cycle and the order in which those phases are executed.

Each phase produces deliverables required by the next phase in the life cycle. Sdlc involves several distinct stages, including planning, design, building, testing, and deployment. There are different stages or phases within the software development life cycle and in each phase, different activities take place. In this approach, the whole process of the software development is divided into various phases. Sdlc includes a detailed plan for how to develop, alter, maintain, and replace a software system. This video explains sdlc or software development life cycle to non it professionals in simple terms.

Systems development life cycle sdlc methodology information technology services july 7, 2009 version 1 authors. Mel barracliffe, lisa gardner, john hammond, and shawn duncan. The software development lifecycle is a systematic process for building software that ensures the quality and correctness of the software built. Sdlc software development life cycle explained for. Software development life cycle, or sdlc is a process used to develop software. The billing system and check processing system will. Pdf metrics tool for software development life cycle. Software development life cycle, sdlc for short, is a welldefined, structured sequence of stages in software engineering to develop the intended software. What is sdlc software development life cycle phases.

Introduction to software development life cycle sdlc. Software development lifecycle sdlc is a framework that defines the steps involved in the development of software at each phase. The sdlc defined in this section may appear to have charac teristics of a classic waterfall approach, which assumes that each phase and process is completed. What are the software development life cycle sdlc phases. System development lifecycle office of information technology.