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Types of Development models (what are they? (variations of this model:…
Types of Development models
Waterfall model
linear version of the cycle.
Characteristics:
Each phase must be complete before you move onto the next.
easy to manage
it is not a very flexible model
what are they?
There exist different variations to what is develpment
variations of this model:
ºWaterfall model ºV-shaped model ºIncremental model ºagil model
V-shaped model
similar to Waterfall, but testing is introduced before the implementation phase.
Characteristics:
each phase undergoes a rigorous test
requires a testing plan to be introduced in the first phase
Incremental model
more than one version of the software is worked on at the same time
Characteristics:
produces a working product early on
you will need to go back to the code
go through the development cycle several times for each build to get to the final product.
Agile model
A basic version of the product is produced quickly and this is revised and updated several times
Characteristics:
There is a great emphasis on getting feedback from audience and users to refine and improve the product
try to achieve new versions of the product at the end of each sprint.