Screening delivers a value-efficient indicates of detecting defects. These defects can then be removed (by debugging – a non-tests activity), so screening indirectly contributes to greater-high-quality check objects. Testing gives a means of specifically analyzing the caliber of a take a look at item at numerous stages from the SDLC. https://lever4076420.blogrelation.com/37243101/detailed-notes-on-lever-4-0