What is Software Testing-Quick Overview?

Software testing is an examination conducted to deliver stakeholders with information about the quality of the software product or service under test. Software testing can also deliver an objective, self-governing view of the software to allow the business to rise and realize the risks of software execution. Test techniques include the process of executing a program or application with the intent of finding software bugs and confirming that the software product is fit for use.
Software testing includes the implementation of a software module or system component to assess one or more assets of interest. In general, these properties show the extent to which the component or system under test:
· meets the requirements that directed its design and development,
· replies correctly to all kinds of inputs,
· performs its functions within a satisfactory time,
· is satisfactorily usable,
· can be installed and run in its planned environments, and
· reaches the general result its stakeholders desire.
 
As the number of probable tests for even simple software mechanisms is essentially infinite, all software testing uses some strategy to select tests that are feasible for the available time and properties. As a result, software testing naturally attempts to perform a program or application with the intent of finding software bugs (errors or other defects). The job of testing is an iterative process as when one bug is fixed, it can illuminate other, deeper bugs, or can even create new ones. Software testing can deliver objective, independent information about the quality of software and risk of its failure to users or promoters.
 
Software testing can be directed as soon as executable software exists. The total approach to software development often controls when and how testing is directed. For example, in a phased process, most testing occurs after system requirements have been defined and then implemented in testable programs. In contrast, under an Agile approach, necessities, programming, and testing are often done simultaneously.

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