Q. What is OOPS? Object-oriented programming (OOP) is a programming language model that organized around objects rather than "actions". A program has been viewed as a logical procedure that takes input data, processes it, and produces output data. Q. Basic Concepts of OOPs? Abstraction. Encapsulation. Inheritance. Polymorphism. Q. What is a class? Class is a set of things having some property or attribute in common and differentiated from others by kind, type, or quality. Q. What is an object? Objects are created from Classes, in C#, is an instance of a class that is created dynamically. Object is also a keyword that is an alias for the predefined type System. Q. What is Encapsulation? Encapsulation is the packing of data and functions into a single component. It allows selective hiding of properties and methods in an object by building an impenetrable wall to protect the code from accidental corruption. Q. What is Polymorp...