Ok, first of all, we need to think about what is testing..? Basically, it's just a simple theory like if we think we need to make a ball after built the ball we need to see what we are building is it exactly ball or not? It means we need to check what we built items is what we expected that's the simple theory for testing. There needs to have some point its mean defect-free products we need to build this need testing. Ok, now we are moving to software testing..? ( What is software testing) Software testing is defined as an activity to check whether the actual results match the expected results and to ensure that the software system is Defect free. It involves the execution of a software component or system component to evaluate one or more properties of interest. Software testing also helps to identify errors, gaps or missing requirements contrary to the actual requirements. It can be either done manually or using automated tools. Some prefer saying Software
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