1. software development should be loopback development. (Iterative Development)
that is, in each cycle (Iteration), often consisting of these activities is to define, analyze, design,To create a test and finally, the needs of the user. The result is software that you can run (Executable product), which differs from the traditional development process (Traditional Development) that will result in the product Executable format. The entire system has been successfully tested, this results in a software development project is a high risk of failure.
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