Incorrect

Marks for this submission: 0/1.

Question 24

Marks: 1

What is the output of the program?

#include <iostream>

struct BS { unsigned int color; };

struct car : public BS { };

struct truck : public BS { };

struct city : public car, public truck { };

int main(int argc, char** argv) { city c;

c.color = 3;

std::cout << c.color << std::endl;

return 0; }

Choose one answer.

	a. 0
	b. 3
	c. ill-formed

Incorrect

Marks for this submission: 0/1.

Question 25

Marks: 1

The ________ enables access to a global variable with the same name as a variable in the current scope

Choose one answer.

	a. unary scope resolution operator (:
	b. name
	c. local
	d. register
	e. var

Incorrect

Marks for this submission: 0/1.

Question 26

Marks: 1

Identify and correct the errors in the following statement (assume that the statement using std::cout; is used): if ( c => 7 ) cout << "c is equal to or greater than 7\n";

Choose at least one answer.

	a. if ( c !> 7 ) cout << "c is equal to or greater than 7\n";
	b. if ( c >> 7 ) cout << "c is equal to or greater than 7\n";
	c. if ( c = 7 ) cout << "c is equal to or greater than 7\n";
	d. if ( c >< 7 ) cout << "c is equal to or greater than 7\n";
	e. if ( c >= 7 ) cout << "c is equal to or greater than 7\n";

Correct

Marks for this submission: 1/1.

Question 27

Marks: 1

Which conversion is not possible?

Choose one answer.

	a. All are possible
	b. float to int
	c. double to float
	d. int to float
	e. char to float

Incorrect

Marks for this submission: 0/1.

Question 28

Marks: 1

The ________ qualifier is used to declare read-only variables

Choose one answer.

	a. read
	b. read-only
	c. const
	d. static
	e. unchangeable

Incorrect

Marks for this submission: 0/1.

Question 29

Marks: 1

What is the maximum number of implicitly defined constructors that this struct will have?

struct A { A(A& a) { } A(double d) {} int val; };

Choose one answer.

	a. 2
	b. 0
	c. implementation specified
	d. 1