Prática de Shadowing: SDLC Vs STLC: Software Development Life Cycle and Software Testing Life Cycle - Aprenda a falar inglês com vídeo

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Suppose you are assigned a task to develop a custom software for a client.
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Each block below represents a step required to develop the software.
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Irrespective of your technical background, try and make an educated guess about the sequence of steps you will follow to achieve the task.
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The correct sequence would be gather as much information as possible about the details
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and specifications of the desired software from the client.
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This is nothing but the requirements gathering stage.
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Plan the programming language like Java, PHP, .NET, and database like Oracle,
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MySQL, etc. which will best suit the project.
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Also determine high level functions in architecture.
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This is the design stage.
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Actually code the software.
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This is the build stage.
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Next you test the software to verify that it is built as per the specifications given by the client.
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This is the test stage.
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Once your software product is ready, you may do some code changes to accommodate enhancements requested by the client.
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This would be the maintenance stage.
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All these levels constitute the waterfall method of a software development lifecycle.
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As you may observe, testing in the model starts only after implementation is done.
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But if you are working on a large project where the systems are complex, it's easy to miss key details in the requirements phase itself.
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In such cases, an entirely wrong product will be delivered to the client.
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You will have to start afresh with the project.
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Or if you manage to note the requirements correctly but make serious mistakes in design and architecture of your software,
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you will have to redesign the entire software to correct the error.
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Assessments of thousands of projects have shown that defects introduced during requirements
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and design make up close to half of the total number of defects.
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Also, the costs of fixing a defect increases across the development lifecycle.
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The earlier in the lifecycle a defect is detected, the cheaper it is to fix.
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As they say, a stitch in time saves 9.
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To address this concern, the V model of testing was developed.
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For every phase in the development lifecycle, there is a corresponding testing phase.
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The left side of the model is the software development lifecycle, SDLC.
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The right side of the model is the software test lifecycle, STLC.
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The entire figure looks like a V, hence the name V-Model.
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In this figure, you'll find a few stages different from the waterfall method.
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These differences, along with the details of each testing phase, will be discussed in a later tutorial.
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Apart from the V model, there are iterative development models, where development is carried out in phases, with each phase adding a functionality to the software.
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Each phase comprises of its own independent set of development and testing activities.
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Good examples of development life cycles following the iterative method are Rapid Application Development, and Agile Development.
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Before we close this tutorial, here are a few pointers.
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You must note that there are numerous development lifecycle models.
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The development model selected for a project depends on the aims and goals of that project.
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Testing is not a standalone activity, and it has to adapt with the development model chosen for the project.
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In any model, testing should be performed at all levels, right from requirements gathering all the way up to maintenance.
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Sobre esta lição

Nesta lição, você vai praticar o shadowing em inglês enquanto aprende sobre os ciclos de desenvolvimento e teste de software (SDLC e STLC). Aproveite o vídeo para observar a pronúncia clara e a estrutura lógica do diálogo, ideal para quem quer aprender inglês com YouTube. Você vai notar como conceitos técnicos são explicados de forma acessível, o que ajuda a expandir seu vocabulário e a melhorar a fluência ao repetir frases em tempo real.

Vocabulário e frases-chave

  • Requirements gathering: Coleta de requisitos (fase inicial do desenvolvimento de software).
  • Defect: Defeito (problema no software).
  • V-Model: Modelo em V (metodologia que associa fases de desenvolvimento e teste).
  • Iterative: Iterativo (desenvolvimento em fases, cada uma adicionando funcionalidades).
  • Maintenance stage: Fase de manutenção (atualizações após o lançamento do software).

Dicas de prática

O shadowing speech neste vídeo é eficaz por causa da velocidade média e da clareza na explicação. Para praticar, reproduza o vídeo em trechos de 10-15 segundos, pause e repita imitando a entonação e o ritmo. Isso ajuda a treinar a audição e a pronúncia ao mesmo tempo. Use um shadowing site para gravar sua voz e comparar com o original — você vai notar como pequenos ajustes na articulação melhoram a fluência. Lembre-se: o objetivo é não apenas repetir, mas entender o contexto, então preste atenção nas conexões entre as fases do SDLC e STLC enquanto pratica. Com consistência, você vai ver que aprender inglês com YouTube e shadowing se torna uma rotina natural e eficaz.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →