Systems Development Life Cycle Flashcards, test questions and answers
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What is Systems Development Life Cycle?
The Systems Development Life Cycle (SDLC) is a process that outlines the steps, known as phases, necessary to create a computer system. The goal of the SDLC is to produce high-quality software that meets or exceeds customer expectations, works within budget and time constraints, and reaches completion with minimal rework and delays. It consists of a set of stages that must be completed in order for the system to be successful.The SDLC consists of five main phases: planning, analysis, design, implementation and maintenance. These phases are further broken down into more specific tasks such as requirements gathering, coding and testing. Each phase has its own set of deliverables which are reviewed before moving onto the next phase.The planning phase is all about gathering customer requirements and defining objectives for the project in order to create an overall plan for development. This includes understanding user needs and developing a scope document which describes what will be included in the system or product being developed. During this phase it’s also important to assess risks associated with developing the system as well as determine any resources needed such as personnel or hardware/software tools necessary for development.The analysis phase involves analyzing business needs and processes relative to existing systems or proposed solutions; this typically involves brainstorming sessions with stakeholders from both technical teams (such as developers) as well as nontechnical teams (such as business owners). During this step potential solutions are evaluated against criteria such cost/time constraints versus feature sets desired by users in order to decide on an approach best suited for meeting customer demands while staying within budget/time constraints proposed during planning stage. Often times other aspects such as security requirements may come up during this stage that need consideration when designing a solution Once all the requirements have been identified during analysis then it’s time move into design stage where actual design plans are created based off of information gathered from previous steps; at this point developers should have enough information about what needs to happen in order create a functional product/system Design plans will include details such architecture diagrams describing how various components interact with one another; data flow diagrams showing how data moves throughout application; interface designs showing how user interacts with application etc.