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Categories >> Software >> Software Development Life Cycle >> New Product Development >> Requirement Management


 Requirement Management interview questions  Requirement Management Interview Questions (55)
 Risk Analysis interview questions  Risk Analysis Interview Questions (15)
 Estimation Analysis interview questions  Estimation Analysis Interview Questions (14)
 Planning & Integration interview questions  Planning & Integration Interview Questions (15)
 Resource Management interview questions  Resource Management Interview Questions (13)
 Software Quality Analysis interview questions  Software Quality Analysis Interview Questions (59)
 Software Integration & Delivery interview questions  Software Integration & Delivery Interview Questions (4)
what is the difference between prototype and spiral model?
 Question Submitted By :: Requirement-Management
I also faced this Question!!     Answer Posted By  
# 1
1.Spiral model is called a meta model.Spiral model is made
with the features of Prototype model and Waterfall model.
2.Spiral model takes special care about Risk Analysis.
Whreas it is not given importance in Prototype model.
Is This Answer Correct ?    76 Yes 17 No
# 2
Prototype model is suitable when the requirement of the
clent is not clear and it is supposed to be changed.
It doesn,t cover any risk management.
While Spiral model is an enhancement of the prototyping
model with so many extra features.Spiral model has the
facility of risk analysis and many more.
Is This Answer Correct ?    58 Yes 13 No
Ranjan Deo
# 3
1.In spiral model risk is very high
while in prototype model risk is low.
2. Spiral model is used when requirement is not clear and needs conformation
while in prototype model requirement is clear but complex.
3. In spiral model customer interaction continous to move togather.
in other hand prototype model customer interaction needs till the prototype is approved.
Is This Answer Correct ?    31 Yes 11 No
Sunil Kumar Yadav
# 4
protoytyping model is the overview of the system wherease
spiral model comes with extra feature called risk analysis.
Is This Answer Correct ?    20 Yes 5 No
# 5
the spiral model can be adapt to apply throughout the
life of computer software.

while prototype model that end when software is delivered.
after software deliver is not responsible for any problem of
Is This Answer Correct ?    17 Yes 5 No
# 6
spiral model consists of prototype at every phase 
Is This Answer Correct ?    9 Yes 13 No

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