GUI components are excellent examples of the best principles of object-oriented programming; they represent objects with attributes and methods that operate like ____.

A. trap doors
B. black boxes
C. a procedural function
D. a while loop


Answer: B

Computer Science & Information Technology

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The method paint has one parameter of type:

(a) Shape (b) Graphics (c) Image (d) String

Computer Science & Information Technology

The title bar and top portion of the ____ tab in a printer's properties show the name of the printer.

A. Sharing B. General C. Ports D. Advanced

Computer Science & Information Technology

The following is an example of a recursive function.void print(int x){  if (x > 0)  {     cout

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which of the following statements is true?

``` Segment 1 Segment 2 int i = 0; for (int i=0; i <= 20; ++i) while (i < 20) { { Console.WriteLine (i); ++i; } Console.WriteLine (i); } ``` a) The output from these segments is not the same. b) The scope of the control variable i is different for the two segments. c) Both (a) and (b) are true. d) Neither (a) nor (b) is true.

Computer Science & Information Technology