Preparation for Final Exam MCQ Quiz BIG - Попытка 1

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Question11

Баллов: 1

What is the output of the program?

#include <iostream>
using namespace std;
int main() {
int a = 17;
if (a<10) {
cout << "A";
}
if (a%17==0) {
cout << "B";
} else {
cout << "C";
}
cout << endl;
return 0;
}

Выберите один ответ.

	a. AC
	b. C
	c. A
+	d. B
	e. AB

Question12

Баллов: 1

Which of the following classes handlers file input?

Выберите один ответ.

	a. iomanip
	b. instream
	c. ofstream
+	d. ifstream
	e. inputfile

Question13

Баллов: 1

How many times is Hello World printed by this program?

#include <iostream>

struct BS
{
BS()
{
std::cout << "Hello World" << std::endl;
}
unsigned int color;
};

struct mid1: virtual public BS { };
struct mid2: virtual public BS { };
struct mid3: public BS { };
struct mid4: public BS { };

struct DR: public mid1, public mid2,
public mid3, public mid4 { };

int main(int argc, char** argv)
{
DR d;
return 0;
}

Выберите один ответ.

	a. 1
	b. 3
+	c. 2
	d. code is ill-formed

Question14

Баллов: 1

Which of the following adds one string to the end of another?

Выберите один ответ.

	a. ++;
+	b. stradd();
	c. strcat();
	d. append();
	e. stringadd();

Question15

Баллов: 1

__________ must be used to initialize constant members of a class

Выберите один ответ.

+	a. Member initializers
	b. Classes
	c. Initializes

Question16

Баллов: 1

Write a single statement that performs the specified task. Assume that floating-point variables number1 and number2 have been declared and that number1 has been initialized to 7.3. Assume that variable ptr is of type char *. Assume that arrays s1 and s2 are each 100-element char arrays that are initialized with string literals. Print the value of the object pointed to by fPtr.

Выберите один ответ.

	a. cout << "The value of &fPtr is " << &fPtr << endl;
+	b. cout << "The value of fPtr is " << fPtr << endl;
	c. cout << "The value of fPtr is " << fPtr << endl;

Question17

Баллов: 1

What is the output of the program?

#include <iostream>

using namespace std;

int main() {

int a=10, b=3;

int * c = &a;

*c = 5;

cout << a << " " << b;

return 0;

}

Выберите один ответ.

	a. 3 5
	b. 5 3
	c. 5 5
+	d. 10 3
	e. None of the given choices.

Question18

Баллов: 1

Give the function header for the following function. Function hypotenuse that takes two double-precision, floating-point arguments, side1 and side2, and returns a double-precision, floating-point result.

Выберите один ответ.

+	a. double hypotenuse(double side1, double side2)
	b. float hypotenuse(float side1, float side2)
	c. double float hypotenuse(double float side1, double float side2)
	d. float hypotenuse(double side1, double side2)
	e. not sure