Object Oriented Programming
Here emphasis is on objects.
It follows bottom up approach in program design.
Its data hiding feature prevents accidental change in data.
Features of object oriented programming are Encapsulation , Abstraction , Inheritance and Polymorphism.
Procedural Programming
Here emphasis is on doing things (functions).
It follows top-down approach in program design.
Here Presence of Global variables increase chances of accidental change in data.
Features like Encapsulation , Abstraction , Inheritance and Polymorphism are not available in this type of programming.