Software Engineering, unit: The Software Development Life Cycle. Core concepts, terminology, and worked-example cues a college student meets for this unit, building on prior units without repeating them. Front: a term, concept, or short problem cue. Back: the definition, explanation, or answer.
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- What is the software development life cycle (SDLC)?
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A structured process for planning, building, and maintaining software- What are the typical phases of the SDLC?
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Requirements, design, implementation, testing, deployment, and maintenance- What happens during the requirements phase?
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Gathering and documenting what the software must do- What happens during the design phase?
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Planning the software's architecture and how components will interact- What happens during the implementation phase?
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Writing the actual code based on the design- What happens during the testing phase?
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Verifying the software works correctly and meets requirements- What happens during the deployment phase?
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Releasing the software into a production environment for users- What happens during the maintenance phase?
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Fixing bugs, applying updates, and improving software after release- What is the Waterfall model?
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A linear SDLC approach where each phase completes fully before the next begins- What is a key drawback of the Waterfall model?
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It is inflexible to changing requirements once a phase has been completed- What is the Agile model?
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An iterative SDLC approach emphasizing flexibility, collaboration, and incremental delivery- What is an iteration (or sprint), in Agile development?
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A short, fixed-length period in which a working increment of software is produced- What is the Spiral model?
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An SDLC approach combining iterative development with structured risk analysis at each cycle- What is a prototype, in software development?
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An early, simplified version of software built to validate ideas before full development- What is technical debt?
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The implied cost of choosing an easy, short-term solution over a better long-term approach
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