C. none

Question 8

The three values that can be used to initialize a pointer are_____________,__________ and___________.

d. 0, NULL, an address

Question 10

What is the output of the program?

#include<iostream>

usingnamespace std;

int main() {

char str[] = "de_dust";

for (int i=strlen(str)-1; i>=0; i--)

cout << str[i];

cout << endl;

return 0;

}

d. tsud_ed

Question 11

A C++ program that prints three lines of output must contain three statements using cout and the stream insertion operator.

Ответ:

True False

Question 13

Find the error in the following program segment:

void product(void){

int a = 0, b = 0, c = 0;

int result = 0;

cout << "Enter three integers: ";

cin >> a >> b >> c;

result = a * b * c;

cout << "Result is " << result;

return result;

}

c. void product(void){ int a = 0, b = 0, c = 0; int result = 0; cout << "Enter three integers: "; cin >> a >> b >> c; result = a * b * c; cout << "Result is " << result; }

Question 17

Write a C++ statement or a set of C++ statements to calculate the value of 2.5 raised to the power 3 using function pow. Print the result with a precision of 2 in a field width of 10 positions

a. cout << fixed << setprecision(2) << setw(10) << pow(2.5, 3) << endl;

Question 18

Which of the following lines should NOT compile?
1 int main()
2 {
3 int a = 2;
4
5 int* b = &a;
6
7 int const* c = b;
8
9 b = c;
10
11 return 0;
12 }

Question 19

What header file contains C++ file I/O instructions?