Define top-down approach as it relates to drawing data flow diagrams
Understanding of how data flows is essential for a analyst to be able to plan and implement functions in an organization. The top-down approach provides a useful way of understanding how the data flows. According to Anderson and Yull (2002), using the top-down approach in data flow diagrams provides a more in-depth analysis of the system. Kendall and Kendall (2011) indicate that the data flow diagram moves from general to specific. This implies that the more the levels the more details and more complex a system.
A top down approach in data flow diagrams offers several significant advantages. Continue reading...