C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Does there exist any way to make the command line arguments available to other functions without passing them as arguments to the function?

1247

What is the difference between the functions rand(), random(), srand() and randomize()?

1283

How can a called function determine the number of arguments that have been passed to it?

1132

Write a program to interchange 2 variables without using the third one.

1053

What are the differences between malloc() and calloc()?

1179

To which numbering system can the binary number 1101100100111100 be easily converted to?

1061

What is recursion?

6 2163

What is object file? How can you access object file?

1205

How would you use the functions randomize() and random()?

1074

What is the maximum combined length of command line arguments including the space between adjacent arguments?

995

How would you use the functions sin(), pow(), sqrt()?

1181

What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

1112

What is the use of typedef?

1098

Which bit wise operator is suitable for putting on a particular bit in a number?

1200

What are the advantage of using register variables?

1169

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Un-Answered Questions { C++ General }

What is c++ good for?

1061

What is a loop? What are different types of loops in c++?

1129

What are the advantage of using register variables?

1169

What is a multiset c++?

1144

Explain how overloading takes place in c++?

1043

Why do we use structure in c++?

1073

Explain this pointer?

1066

Write a program to interchange 2 variables without using the third one.

1053

Why do we use classes in c++?

1058

What is encapsulation in c++?

1289

What are the differences between new and malloc?

1122

What is the cout in c++?

1052

What can I use instead of namespace std?

1151

What are associate containers?

1020

What is difference between array and vector in c++?

1028

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