Answer / shweta gupta

1) Waterfall Model: Advantage : clear visibility & simple
Disadvantage : Freezing the
specifications is difficult.
2) Prototyping Model : Advantage : useful for Non-It
literate clients/users.
Disadvantage : Development cost has
to borne by the developor.
3) Iterative Model : Advantage : Useful where requirements
are not clear.
Disadvantage : Less visibility & no
time frame.
4) Spiral Model : Advantage : Suitable for high risk projects.
Disadvantage : complicated model.

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