Top down bottom down
Top-down and bottom-up are both strategies of information processing and knowledge ordering, used in a variety of fields including software, humanistic and . The top-down approach relies on higher authority figures to determine larger goals that will filter down to the tasks of lower level employees. Top-down and bottom-up approaches are methods used to analyze and choose securities but the terms also appear in many other areas of. Bottom-up processing to determine offender profiles is seen as more reliable and objective. Than the top-down approach that is built using typologies of criminals who conducted the same sort of crimes. While there are still questions and concerns about which approach is better, top down or bottom up. Top-down and bottom-up investing are vastly different ways to analyze and invest in stocks. There are advantages to both methodologies. However, both approaches have the same goal: to identify. Top-down methods were favored in software engineering until the late s, and object-oriented programming assisted in demonstrating the idea that both aspects of top-down and bottom-up programming could be utilized. Modern software design approaches usually combine both top-down and bottom-up approaches.