쉐도잉 연습: SDLC Vs STLC: Software Development Life Cycle and Software Testing Life Cycle - 영상으로 영어 말하기 배우기
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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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소프트웨어 개발 주기와 테스트 주기에 대해 알아보는 영상, 영어 실력 향상의 기회!
이 영상은 소프트웨어 개발 과정에서의 SDLC와 STLC에 대해 설명하는 내용으로, 전문 용어도 많고 논리적인 흐름이 중요한 대화입니다. 영어로 기술적인 주제를 이해하면서 회화 실력을 키우고 싶다면, 이 영상을 활용한 영어 쉐도잉이 좋은 방법입니다. 특히 기술 용어의 발음과 문장 구조를 익히는데 도움이 될 거예요.
일상 회화에 쓸 수 있는 5가지 핵심 표현
- "gather as much information as possible" – "가능한 한 많은 정보를 수집하다"는 뜻으로, 프로젝트나 업무에서 자주 사용됩니다. 예: "We need to gather as much information as possible before starting the project."
- "make an educated guess" – "정보에 기반한 추측을 하다"로, 상황을 판단할 때 유용합니다. 예: "Can you make an educated guess about the result?"
- "address this concern" – "이 문제를 해결하다"는 뜻으로, 의견이나 문제점을 처리할 때 사용됩니다. 예: "The team will address this concern in the next meeting."
- "start afresh" – "새로 시작하다"로, 실패 후 다시 시작할 때 쓰입니다. 예: "Let's start afresh and try a new approach."
- "adapt with" – "함께 조정하다"로, 변화에 맞춰 적응할 때 사용됩니다. 예: "We need to adapt with the new rules."
이 영상을 활용한 쉐도잉 가이드: 단계별 방법
이 영상은 기술적 내용이 많아 속도가 조금 빠를 수 있지만, 다음 단계로 shadowing을 연습해보세요. 1. 먼저 영상을 한 번 듣고 전체 내용을 이해합니다. 2. 중요한 용어와 문장을 적어둡니다 (예: "SDLC", "STLC", "V-Model"). 3. 5초 간격으로 멈추면서 문장을 따라 말합니다. 이때 발음과 강세를 주의깊게 살펴봅니다. 4. 여러 번 반복하면서 자연스럽게 말할 수 있을 때까지 연습합니다. shadowspeaks나 shadowing site에서 비슷한 영상을 찾아 연습하면 더 좋아요. 영어 회화 연습을 위해선 꾸준한 쉐도잉이 필수적이에요. 하루에 10분씩만 해도 발음과 문장 구조가 크게 향상될 거예요!
이처럼 기술적인 주제의 영상을 통해 shadow speak를 연습하면, 전문 용어뿐만 아니라 논리적인 표현도 익힐 수 있습니다. 지금 바로 이 영상을 열고 쉐도잉을 시작해보세요!
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.