A Quick Guide for Basics Of SDLC

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A Quick Guide for SDLC

• SDLC is the short form for software development
  life cycle
• Acronym of software development life cycle.

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SDLC or software development models

• Waterfall model
• Spiral model
• Iterative model
• Big Bang model
• V-model

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Waterfall Model

• 1 ) Requirement Analysis Phase
• In this phase, all the requirements are gathered
  and analyzed. These requirements come from the
  customers

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Waterfall Model

• 2) Design
• The requirements from first stage are studied in
  this stage and the design outline is readied.
• 3) Implementation
• Every unit is developed and tested for its
  functionality which is alluded to as Unit
  Testing.

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Waterfall Model

• 4) System Integration and Testing
• Every one of the units or modules developed in
  the previous stage of implementation are
  incorporated into a system subsequent to testing
  of every unit.

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Waterfall Model

• 5) System Deployment
• After the functional and non functional testing
  is done, the product is set in the client
  environment or released for business.
• 6) Maintenance
• There are some issues which come up in the
  customer environment.

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The Big Bang Model

• The Big Bang model is SDLC model where there is
  no particular procedure followed.
• Big Bang Model is SDLC model where there is no
  official process undertaken after and almost no
  planning is needed.

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V Model
The V model is SDLC model where execution of
procedures happens in a consecutive manner in
V-manner.
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