Answer Posted / kumari santosh

Module
Code in VB is stored in modules.
Thereare three kind of modules, Class modules, Form modules
and Stendard modules.
In VB there are common codes we want to execute in several
forms. We do not want to duplicate the code in all forms,
we create a separate module containing the procedure that
implements the common code. This separate module should be
Standard module.

Class Module
Class modules (.CLS extension) are foundation of object
oriented programming in VB. We can write code in class
modules to create new objects. These new objects can
include our own customiaed properties and methods, although
custom objects can not have their own events.
We can also use the keyword, New to create multiple copies
of our objects.

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