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Software Quality Assurance in software engineering

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Software Quality Assurance (SQA):-  SQA is a set of activity assuring quality in software engineering process. Altimetry result in quality in software products. It include a following activities:- Process definition & implementation Auditing  Training  SQA is a process that insure hat developed software needs & compiles with defined or standardized quality specification. SQA is an on going process with in the SDLC that routinely checks the developed software to insure its needs desired quality measured. SQA helps to insure the development of high quality software. SQA practices are implementation in most type of software development regardless of underline software development model are being used. In a border sense SQA incorporate an implement software testing methodology to test software. SQA process test for quality in each phase of development until the software is completed. SQA genially works on one or more industries standards that helps in building softwar...
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Alpha Testing, Beta Testing

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Alpha Testing:-  It is done before the launch of the software products into the market. Alpha testing performed by the tester who are usually internal employee of the organization. It usually comes after system testing an involves both. White box testing & black box testing. The company employee test the software for functionality & gives the feedback. After this testing phase of any functions & features may be added to the software. Beta Testing:-  It is done at the time of the software product marketing. Bita testing is the second phase of software testing. In which sampling of the intended ordinance try the product out.  Beta testing is performed by the clients or end-users who are not the employee of the organizations. Beta testing is considered to be the last quality assurance (QA) step in the software testing & process. 
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White Box Testing, Black Box Testing

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Black Box Testing:- It is a software testing method in which the initial structure design, implementation of the item being tested is not known to the tester. Black box testing mainly applicable to the higher level of testing acceptance testing, system testing. It generally independent software tester.  Programming knowledge is not required. Implementation knowledge also not required. White Box Testing:- It is a software testing method in which the internal structured, designs, implementation of the item is being known to the tester. In white box testing tester knows about the internal structure & programming to. White box testing mainly applicable to lower level of testing such as unit testing & integration testing.  The important part in this is at the starting phase of software development we can know about the error arises at the time of developing software. This testing is also known as open or glass box testing & also called structural testing.
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