Six Sigma Terms and Definitions

Jack Welch, former CEO of General Electric, and one of the most succesful corporate leaders ever, used Six Sigma as major Quality Improvement method. In his book Winning he writes:Six Sigma is one the biggest management innovations of the past 25 years. Six Sigma improves the development procedures, brings products faster to the market with less defects, and reduces cost. The biggest - but least

Open Source Software Advantages

Besides the low license cost, open source software often have other advantages that are more important:The right to modify the software: reach a detailed understanding of how the system works, unlimited tuning and improvement, easier to isolate bugs, extend the lifetime of an applicationredistrubite modifications and improvements, shared by large communities, attract new developers. large market

Adding More People Decreases Productivity and Quality

The more people you add to a project, the lower your per-person productivity and the higher the defect rate.After fixing all the defects, the quality of the code written by the larger group will be much poorer, resulting in long-term increased maintenance costs.Since software spends the vast majority of its useful life in maintenance, getting the first version out faster at the expense of all