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Answer Posted / lalitkumar
there are some models depending apon the approach followed
to achive the target.
1. water-fall model
2. modified water-fall moedel
3.v model
1. water-fall model:
in this SDLC model the succesive step is taken only
after completion of the previous one. like first DESIGN is
donefollowed by DEVLOPMENT , thereafter TESTING etc.
The flow diagram if drawn,it can be said that IT IS LIKE
A WATER FALL. so it called as WATER-FALL model
2. modified water-fall model:
it is almost similar to the water-fall model but the only
diffrnce is- the succesive step starts once the ongoin step
is finished a bit. the following step starts..once the
currnt step is partly completed.
when the flow daigram is drownit overlaps the stages.
3. v model:
as the name itslef suggests both design n devlopment steps
start together...n at the end they meet the result. so it
forms V shape.and called as v model.
- regards
lalitkumar
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