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C++ Programming MCQs Test 10

This Test will cover complete C++ with very important questions, starting off from basics to advanced level.
Q. By default the members of the structure are __________.
Q. What is meant by template parameter?
Q. What is the output of the following C++ program?
#include<iostream>
using namespace std;

int main()
{
	double a = 21.09399;
	float b = 10.20;
	int c ,d;
	c = (int) a;
	d = (int) b;
	cout << c <<'\t'<< d;
	return 0;
}
Q. What is the output of the following C++ program?
#include<iostream>
using namespace std;

class abc
{
  public:
	int i;
	abc(int i)
    {
      i = i;
	 }
};

int main()
{
	abc m(5);
	cout << m.i;
    return 0;
}

This is for Tests

Q. What is the output of the following C++ program?
#include<iostream>
using namespace std;

int main()
{
	union abc
  {
	  int x;
	char ch;
}
  var;
  var.ch = 'A';
  cout << var.x;
  return 0;
}
Q. Which parameter is legal for non-type template?
Q. What is other name of full specialization?
Q. How many bits of memory needed for internal representation of a class?
Q. What is the output of the following C++ program?
#include<iostream>
using namespace std;

int main()
{
	class student
	{
		int rno = 10;
	} v;
	cout << v.rno;
    return 0;
}

This is for Tests

Q. What is the ability to group some lines of code that can be included in the program?
Q. What does the client module import?
Q. Escape sequence character \0 occupies __________ amount of memory.
Q. What is the output of the following C++ program?
#include<iostream>
using namespace std;

int main()
{
	int i = 13, j = 60;
	i ^= j;
	j ^= i;
	i ^= j;
	cout << (i) <<" "<< (j)
    return 0;
}
Q. What is the general syntax for accessing the namespace variable?
Q. Where does a cin stops during extraction of data?


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