Testing supplies a cost-productive suggests of detecting defects. These defects can then be taken out (by debugging – a non-tests activity), so testing indirectly contributes to better-good quality examination objects. Screening provides a means of specifically analyzing the quality of a test item at many levels while in the SDLC. https://lever-4-053298.worldblogged.com/37060380/how-lever-4-0-can-save-you-time-stress-and-money