What will happen while using pass by reference? - CPP Quiz

CPP - Quiz(MCQ)

What will happen while using pass by reference?

A)

The function declaration should contain $

B)

The function declaration should contain ampersand (& in its type declaration)

C)

The values of those variables are passed to the function so that it can manipulate them

D)

The location of variable in memory is passed to the function so that it can use the same memory area for its processing

Correct Answer : The location of variable in memory is passed to the function so that it can use the same memory area for its processing

Explanation : In pass by reference, we can use the function to access the variable and it can modify it. Therefore we are using pass by reference.

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.

New Technologies MCQ's

Machine Learning

Artificial Intelligence

Ethical Hacking

Microsoft Azure

Cloud Computing

Quantum Computing

Neural Networks

Virtual Reality

Augmented Reality

Advertisement