True cause sometimes it can delete all ur work
Answer: c) Web 2.0
Explanation:
Web 2.0 is the technology that consist applications and websites for the people to interact and sharing information, activities, event and other materials through social media components like blog, social networking sites,wikis, podcast etc.
- Other options are incorrect because artificial intelligence, ERP(Enterprise resource planning) and XML(Extensible Markup Language) are not the tools that is used by users for interaction and communicating with the help of social media components.
- Thus, the correct option is option(c).
That would be a network my friend. When two or more computers are connected to one another, you have a network.
Answer:
#include <iostream>
using namespace std;
int main()
{
float radius = 5.4;
float circumference = 2 * 3.14 * radius;
float area = 3.14 * radius * radius;
cout<<"the circumference of the circle is "<<circumference<<endl;
cout<<"the area of the circle is "<<area<<endl;
return 0;
}
Explanation:
Include the library iostream for using the input/output instructions.
create the main function and define the variable with value. Then,
use the formula to calculate the circumference and are of circle.
here, choose 
after that, display the result.
Note: All variable define in float type.
