Answer Posted / anurag somani

Model-View-Controller (MVC) is a design pattern that
simplifies application development and maintenance. It
achieves this by separating the application into three
logical components:
Model:The model layer is responsible for the business
logic of an application. It will encapsulate access to data
stores and will provide a reusable class library. Typically,
within the model, you will find facilities for database
abstraction, e-mail delivery, validation, and authentication.
View:The view layer is typically what would be considered
web design, or templating. It controls the look and feel of
data and provides facilities to collect data from the user.
Technologies exclusively found in the view are HTML, CSS,
and JavaScript.
Controller:The controller layer glues everything together
and merges the styling of the view with the functionality of
the model. It is responsible for collecting input data from
the view and deciding program execution. The controller will
call model facilities and interpret the returning data so
that it can be rendered by the view. It is also responsible
for all application exception and flow control.

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