What Is Top Down Designing ?

Top-Down Design Model: 

    In the top-down model, an overview of the system is formulated without going into detail for any part of it. Each part of it then refined into more details, defining it in yet more details until the entire specification is detailed enough to validate the model

▫️We break the problem into parts,

▫️Then break the parts into parts soon and now each of parts will be easy to do. 

 

Advantages: 

▫️Breaking problems into parts help us to identify what needs to be done.

▫️At each step of refinement, new parts will become less complex and therefore easier to solve.

▫️Parts of the solution may turn out to be reusable.

▫️Breaking problems into parts allows more than one person to solve the problem.