Advantage and disadvantage

System development lif cycle ( SDLC ):The traditional methodology used to develop, maintain, and replace IS.

prototyping: An iterative process of systems development in which requirements are converted to a working system that is continually revised through close collaboration between an analyst and users.

 

SDLC

 

PROTOTYPING

 

Advantage:

  • Useful for large project (not take away project).
  • Sequential.
  • Non linear path.
  •  

 

Advantage:

  • End user involved
  • Sequential.
  • Non linear path.
  • Less time.
  • Less costly.
  • Capture.
  • Fast development

Disadvantage:

  • Take time.
  • Need big control management.
  • End users not involved in all phases(stage).
  • Complicated.
  • More effort.
  • Costly.

 

Disadvantage:

  • Not useful for large project.
  • Stand alone.

 

 

 

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