C, C++

1. What is Polymorphism
2. Programs those work in C but not in C++
3. Difference between malloc(),calloc(),realloc() 
4. Dynamic memory allocation (Stack vs Heap)
5. 3 ways to solve recurrence relations
6. Difference between Balanced,Ordered,Full,Strict,Complete,Perfect Binary tree
7. Graph Terminology 
8. How analysis of algorithms is done?
9. EXTERN - wherever u define variables, it will get access to them
10. TYPEDEF - create variables by name
11. Comma - the lowest priority operator
12. Precedence of operators in function parameters
13. Associativity of operators
14. ENUM - make your names as data types
15. CONST - once initialized, no one can change it
16. Keywords and reserved words
17. Four Pillars of OOPS concepts
18. "using namespace std" what does it represents??
19. Global and local variables
20. General Structure of a C++ program
21. How a setw() funtion works??
22. Parameters and Arguments , Are they represent same ??
23. How a .exe file is created?