UGC NET CSE | June 2016 | Part 2 | Question: 42

Question

The ____ model is preferred for software development when the requirements are not clear.

• A. Rapid Application Development
• B. Rational Unified Process
• C. Evolutionary Model
• D. Waterfall Model

Answer 1

Option A & D:--RAD & Waterfall model is used when the requirement are crystal clear.

B.Rapid Unified Process:-https://en.m.wikipedia.org/wiki/Rational_Unified_Process

C.Evolutionary Model:-When the requirements are not fully clear. i.e. spiral model.

http://it.toolbox.com/wiki/index.php/Evolutionary_Software_Process_Model

 

So C is Ans.

Answer 2

• The Evolutionary Model model is preferred for software development when the requirements are not clear.

 

• In a Waterfall model, each phase must be completed before the next phase can begin

 

• Rapid Application Development uses minimal in favor of rapid prototype(functionally equivalent component of product)

 

• Rational Unified Processdivides the development process into four distinct phases: business modeling, analysis and design, implementation, testing, and deployment.

So, option (C) is correct.