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?

1251

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

1292

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

1142

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

1060

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

1187

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

1068

What is recursion?

6 2194

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

1210

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

1084

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

1002

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

1190

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

1120

What is the use of typedef?

1102

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

1213

What are the advantage of using register variables?

1174

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Un-Answered Questions { C++ General }

Can I run c program in turbo c++?

1038

Explain what are the sizes and ranges of the basic c++ data types?

1161

Can you Mention some Application of C/C++?

1082

What is the difference between a reference and a pointer?

1122

When one must use recursion function? Mention what happens when recursion functions are declared inline?

1199

Difference between strdup and strcpy?

1208

Write about the various sections of the executable image?

982

How is static data member similar to a global variable?

1125

How do you establish a has-a relationship?

1115

What is a static element?

1081

What is data abstraction? How is it different from data encapsulation?

1006

Reads in the size of a square from the screen; 2. Prints a hollow square of that size out of “-“, “|” and blanks on screen; 3. Prints the same hollow square onto a text file. Your program should work for squares of all side sizes between 1 and 20. --- │ │ │ │ │ │ ---

2106

What is the c++ code?

1178

What are the different types of polymorphism in c++?

1148

What is the two main roles of operating system?

1043

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