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Determine the various levels of testing
The following are various levels of testing:
Large systems are built out of subsystems which are made up of modules, modules of functions andprocedures. Thus in large systems, testing is performed at various levels such as unit level testing, module level testing, system level and subsystem level testing.
Hence testing is performed at below levels. In all levels, testing are performed to check interface integrity, performance, information content.
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