please give me some tips for the selection in TCS.

3 Answers   TCS,

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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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i want to switch my career from quailty assurance engineering to development kindly guide me from which programming language its better for me to start plz refer some courses or certifications too i have an experience of 1.5 yrs in QA field.Kindly guide me

0 Answers   Microsoft,

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What are pointers in C? Give an example where to illustrate their significance.

0 Answers   Wipro,

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#include<stdio.h> #include<conio.h> struct stu { int i; char j; }; union uni { int i; char j; }; void main() { int j,k; clrscr(); struct stu s; j=sizeof(s); printf("%d",j); union uni u; k=sizeof(u); printf("%d",k); getch(); } what is value of j and k.

2 Answers   Facebook,

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What does emoji p mean?

0 Answers  

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what is the meaning of 'c' language

3 Answers  

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what is the use of operator ^ in C ? and how it works?

2 Answers  

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What is structure pointer in c?

0 Answers  

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What is ambagious result in C? explain with an example.

0 Answers   Infosys,

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One of the Institutes contains 5 student groups. Every group contains 4 students. Institute wants to store student group’s details in array. Group should contain group member’s details (name and registration number and age), project name, and mark of the group.

0 Answers  

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What are the uses of a pointer?

0 Answers  

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