What is the diff. Between Waterfall and Spiral model?
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Answer Posted / ifrah abid
water fall model is casecade in nature, because it goes
from one stage to the other and it cannot come back to the
prevoius stage. it follows the principal like
Requirement gathering
Analysis of the requirements
Design
Coding
Maintenance
while in spiral model the concept of waterfall model is
combined with the iterations. it is also different in the
design from the waterfall model, after completing one stage
we can easily come back to the pravious stage.
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