26. What will the following code display? int x = 0; for (int count = 0; count <

Question

26. What will the following code display?

int x = 0;

for (int count = 0; count < 3; count++)

x += count;

cout << x << endl;

a. 0

1

2

c. 6

b. 0 d. 3

27. How many times will the following loop display %u201CHello%u201D?for (int i = 0; i < 20; i++)

cout << "Hello!" << endl;

a. 20 c. 21

b. 19 d. An infinite number of times

28. How many times will the following loop display %u201CHello%u201D?

for (int i = 1; i < 20; i++)

cout << "Hello!" << endl;

a. 20 c. 21

b. 19 d. An infinite number of times

29. How many times will the following loop display %u201CHello%u201D?

for (int i = 0; i <= 20; i++)

cout << "Hello!" << endl;

a. 20 c. 21

b. 19 d. An infinite number of times

30. How many times will the following loop display %u201CHello%u201D?

for (int i = 20; i > 0; i--)

cout << "Hello!" << endl;

a. 20 c. 21

b. 19 d. An infinite number of times

44. Given the following function definition

void calc (int a, int& b)

{

int c;

c = a + 2;

a = a * 3;

b = c + a;

}

What is the output of the following code fragment that invokes calc?

(All variables are of type int)

x = 1;

y = 2;

z = 3;

calc(x, y);

cout << x << " " << y << " " << z << endl;

a. 1 2 3

b. 1 6 3

c. 3 6 3

d. 1 14 9

e. None of these

Explanation / Answer

26.d

27.a

28.b

29.c

30.a

44.b

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.