What is the diff. Between Waterfall and Spiral model?
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Answer Posted / hakim ali
The waterfall model the process goes to the next step after
completion of the previous step as first requirement then
design then coding then implementation then maintenance but
here is no end user feedback taken to consideration any
change in SRS will result to start work fro first step and
goes step by step again.
But in case of Spiral model for each and every step there
is testing for that step carry on simultaneously after
finishing that step so that it will easy to recover any
error and fix it there. In this model we don?t have to
start work from beginning
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