Computer aided designs and many other system development techniques develop a prototype of solution to a particular problem, which could be tested and analyzed. These process is called Modeling.
- Models are very useful in solution development and they serve as a tentative or virtual solution to the problem at hand.
- The fact they models can be tested, and then modified in areas where they are lacking makes them ideal prototype to reaching a conclusive solution.
Hence, the missing phrase is modeling.
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