With the method broken down into each of the different versions, from a large cycle will be divided into many small cycle with each edition, and so we get a maximum of development cycle.Each small cycle with a division called module more simple and easier management than, each module is also built upon incrementally as analysis, read the project requirements, write design, coding and implementation of test administration money.The principle of this increase in models like the lined up a painting from the pieces, the pieces would be completed before then will give a portion of the painting are shown first, over time, the number of pieces is completed will increase and more products come into perfection.
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