main() { int a=4,b=2; a=b<<a + b>>2; printf("%d", a); }

4 Answers   CTS,

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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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What is the use of bitwise operator?

0 Answers  

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3.write a simple program that will output your name,phone number,e-mail address,and academic major on separate lines 1.create an account and a personal directory for your work b.find out how to create a subdirectory on your system.create one called info c.you will use a text editor to type in your programs and data files.some C systems have a built in text editor;others do not.Find out what text editor you will be using and how to access it.create a text file(not a program) containing your name ,address,and telephone number on separate lines.Next,write the brand of computer you are using and the name of the text editor.Then write a paragraph that describes your past experience with computers.save this file in your info directory. d. find out how to print a file on your system .print out and turn in the file you created in (c).

0 Answers   TCS,

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Write a program in C to print the alphabets in order as on a mobile phone.i.e:When 2 is pressed once 'a' prints and if it is pressed two times 'b' prints and so on.we have to print all the alphabets as on mobile phone like this.

1 Answers   Wipro,

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read an array and search an element

1 Answers  

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Why is the code below functioning. According to me it MUST NOT.

1 Answers  

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Tell me with an example the self-referential structure?

0 Answers  

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What is sizeof array in c?

0 Answers  

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HOW TO HANDLE EXCEPTIONS IN C

8 Answers  

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difference between c and c++?

2 Answers  

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How to avoid structure padding in C?

8 Answers   Tech Mahindra,

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