What is Software Testing and Why Testing is necessary ?Principles, STLC , SDLC-Model, Agile-Model, V-Shaped Model, CMMI-Levels.
INTRODUCTION OF SOFTWARE TESTING What is Software Testing ? In software testing is not sufficient to demonstrate that the software is doing what is supposed to do. "Software testing can also be stated as the process of validation and verification that a software program/ application/ product." Work as expected according to the business and technical requirements. Works consistently and predictably. Process of filing defect i.e. variance between Expected results and Actual results. Process of executing a software program application with intent of finding errors. Why testing is necessary ? Software Testing is necessary to make sure the product or application is defect free, as per customer specifications. It is necessary because software should be error free, efficient, secured. "Software Testing identifies faults whose removal increases the software quality and increases the software's reliability." More complex the program, more the testing effort is required...
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