Web-based systems are popular because they offer ease of access, cost-effectiveness, and worldwide connectivity.

WordPad is a simple word-processing program included with Windows XP

Indicate whether the statement is true or false

What will the following code display?

``` #include using namespace std; void showDub(int); int main() { int x = 2; showDub(x); cout << x << endl; return 0; } void showDub(int num) { cout << (num * 2) << endl; } ``` a. 2 2 b. 4 2 c. 2 4 d. 4 4