who is the father of c

4 Answers   Infosys,

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what is a headerfile?and what will be a program without it explain nan example?

6 Answers   Assurgent,

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a formula,a series of steps,or well defined set of rules for solving a problem a) algorithem b) program c) erdiagram d) compiler

0 Answers  

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An interactive c program to read basic salary of 15 persons. each person gets 25% of basic as HRA, 15%of basic as conveyance allowances, 10%of basic as entertainment allowances.The total salary is calculated by adding basic+HRA+CA+EA.Calculate how many out of 15 get salary above 10,000.Rs also print the salary of each employee

2 Answers  

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What is the purpose of void pointer?

0 Answers  

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What is the scope of an external variable in c?

0 Answers  

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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.

2 Answers  

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identify the in correct expression a.a=b=3=4; b.a=b=c=d=0; float a=int b=3.5; d.int a; float b; a=b=3.5;

8 Answers   TCS,

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write a program in C to swap two variables

7 Answers   Attrabyte, Marlabs,

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How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

2 Answers   CMC, Wipro,

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Explain the difference between malloc() and calloc() function?

0 Answers  

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print ur name 20,000 times without using inbuilt library functions like printf,scanf,gets,puts,getchar or putchar

4 Answers   IBM,

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