What is dynamic binding in C++? - CPP Quiz

CPP - Quiz(MCQ)

What is dynamic binding in C++?

A)

The process of linking the actual code with a procedural call during run-time

B)

The process of linking the actual code with a procedural call during compile-time

C)

The process of linking the actual code with a procedural call at any-time

D)

All of the above

Correct Answer : The process of linking the actual code with a procedural call during run-time

Explanation : C++ provides facility to specify that the compiler should match function calls with the correct definition at the run-time; this is called dynamic binding or late binding or run-time binding. Dynamic binding is achieved using virtual functions. Base class pointer points to derived class object.

Recently Updated in CPP Questions

What is the signature of math in function using command line arguments?

A)

int main(int argc, char **argv);

B)

int main(int argc, char const **argv);

C)

int main(int argc, char const *argv[]);

D)

All of the above

Correct Answer : All of the above

Explanation : Any of the above signature can be used while using command line arguments in C++ programs

Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv?

A)

argv[0]

B)

argv[1]

C)

argv[2]

D)

argv[3]

Correct Answer : argv[0]

Explanation : The first string in the list of command line arguments represents the name of the program which can be accessed by using argv[0].

What does the first parameter of the main function represent?

A)

List of command line arguments

B)

Stack of command line arguments

C)

Number of command line arguments

D)

Dictionary of command line arguments

Correct Answer : Number of command line arguments

Explanation : The first argument of the main() function represents the number of command line arguments that are passed.

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