Please explain and provide correct answer

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter9: Completing The Basics
Section: Chapter Questions
Problem 7PP
icon
Related questions
Question

Please explain and provide correct answer 

How many times does the program below print the message "Hello, World!" to the screen?
int main() {
pid t pidA, pidB, pidC;
pidA= fork();
cout << "Hello, World!" << endl;
if (pidA != 0) {
pidB = fork():
cout << "Hello, World!" << endl;
}
pidC = fork();
cout << "Hello, World!" << endl;
return 0;
}
Enter a numeric value only.
Transcribed Image Text:How many times does the program below print the message "Hello, World!" to the screen? int main() { pid t pidA, pidB, pidC; pidA= fork(); cout << "Hello, World!" << endl; if (pidA != 0) { pidB = fork(): cout << "Hello, World!" << endl; } pidC = fork(); cout << "Hello, World!" << endl; return 0; } Enter a numeric value only.
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Single Table
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
C++ for Engineers and Scientists
C++ for Engineers and Scientists
Computer Science
ISBN:
9781133187844
Author:
Bronson, Gary J.
Publisher:
Course Technology Ptr