Explain why c is faster than c++?
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if function is declared as static in one source file, if I would like to use the same function in some other source file...is it possible....how ?
#include <stdio.h> int main ( int argc, char* argv [ ] ) { int value1 = 10; int value2 = 5; printf ( "\n The sum is :%d", value1 | value2 ); } This is the answer asked by some one to add two numbers with out using arithmetic operator?Yes this answer is write it given out put as 15.But how????? what is need of following line? int main ( int argc, char* argv [ ] ) how it work?what is the meaning for this line? please explain me.Advance thanks
what is difference between ANSI structure and C99 Structure?
while running a program, i got the msg that press return key to exit.what that mean in C as there are no such options as far i know.
Explain demand paging.
write a program that will print %d in the output screen??
What are the concepts introduced in OOPs?
Differentiate between functions getch() and getche().
1. What is the output of printf("%d") 2. What will happen if I say delete this 3. Difference between "C structure" and "C++ structure". 4. Diffrence between a "assignment operator" and a "copy constructor" 5. What is the difference between "overloading" and "overridding"? 6. Explain the need for "Virtual Destructor". 7. Can we have "Virtual Constructors"? 8. What are the different types of polymorphism? 9. What are Virtual Functions? How to implement virtual functions in "C" 10. What are the different types of Storage classes? 11. What is Namespace? 12. What are the types of STL containers?. 13. Difference between "vector" and "array"? 14. How to write a program such that it will delete itself after exectution? 15. Can we generate a C++ source code from the binary file? 16. What are inline functions? 17. Talk sometiming about profiling? 18. How many lines of code you have written for a single program? 19. What is "strstream" ? 20. How to write Multithreaded applications using C++? 21. Explain "passing by value", "passing by pointer" and "passing by reference" 22. Write any small program that will compile in "C" but not in "C++" 23. Have you heard of "mutable" keyword? 24. What is a "RTTI"? 25. Is there something that I can do in C and not in C++? 26. Why preincrement operator is faster than postincrement? 27. What is the difference between "calloc" and "malloc"? 28. What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"? 29. What is Memory Alignment? 30. Explain working of printf. 31. Difference between "printf" and "sprintf". 32. What is "map" in STL? 33. When shall I use Multiple Inheritance? 34. What are the techniques you use for debugging? 35. How to reduce a final size of executable? 36. Give 2 examples of a code optimization.
What is 1d array in c?
Write a program for finding factorial of a number.
pgm to find any error in linklist(in single linklist check whether any node points any of previous nodes instead of next node)