Which line in the following program contains the prototype showDub function?

```
1 #include
2 using namespace std;
3 void showDub(int);
4 int main()
5 {
6 int x = 2;
7 showDub(x);
8 cout << x << endl;
9 return 0;
10 }
11 void showDub(int num)
12 {
13 cout << (num * 2) << endl;
14 }
```

a. line 3
b. line 4
c. line 7
d. line 11


a. line 3

Computer Science & Information Technology

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Which of the following will create a String different from the other three?

a. String r = "123456" b. int i = 123; int j = 456; String r = String.valueOf(j) + String.valueOf(i); c. int i = 123; int j = 456; String r = String.valueOf(i) + String.valueOf(j); d. int i = 123; int j = 456; String r = i + j;

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Describe the star topology and its advantages and disadvantages.

What will be an ideal response?

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After you drag the ____________________ tool across objects, the objects are united into a single object with the current fill and stroke color.

Fill in the blank(s) with the appropriate word(s).

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Which of the following is NOT one of the Google+ default circles?

A) Friends B) Colleagues C) Family D) Following

Computer Science & Information Technology