Quiz on Call by Value in C

What does “Call by Value” mean in C?

In Call by Value, if you change the value of a parameter inside the function, will it affect the original variable?

void change(int x) {
x = 20;
}

int main() {
int a = 10;
change(a);
printf(“%d”, a);
}

What gets passed to the function in Call by Value?

Which of the following is not true about Call by Value?

void add(int x) {
x = x + 5;
printf(“%d “, x);
}

int main() {
int a = 10;
add(a);
printf(“%d”, a);
}

What is the main drawback of using Call by Value?

Which of the following is a correct statement about Call by Value in C?

int multiply(int x, int y);
…
int result = multiply(a, b);

When a variable is passed using Call by Value, where is the copy stored?