Q1. Describe four merits of object-oriented approach over the traditional approach?
Q2. Describe how does reference variable differ from the pointer variable in C++?
Q3. describe how does copy constructor distinct from the assignment operator?
Q4. Distinguish between the private, protected and public base class?
Q5. Distinguish between cin and cout?
Q6. Describe the concept of this pointer?
Q7. Illustrate the various Input-Output flag? Describe their functions?