2023 QUESTION 1 Describe what is an array Provide examples and uses of arrays in VB | Assignment Collections

QUESTION 1

 Describe what is an array? Provide examples and uses of arrays in VB & C# languages.

QUESTION 2

Explain how will you to derive New Classes from Base Classes?

Provide examples and uses in VB & C# languages.

QUESTION 3

Explain local and class scope. Provide examples and uses in VB & C# languages.

QUESTION 4

Describe classes, including constructors, methods, data, value, and reference types. Provide examples and uses in VB & C# languages.

QUESTION 5

What is the result of the following code?

1 Dim y As Integer

2 Dim x As Integer

3 Dim mysteryValue As Integer

4

5 x = 1

6 mysteryValue = 0

7

8Do

9 y = x ^ 2

10 displayListBox.Items.Add(y)

11 mysteryValue += 1

12 x += 1

13 Loop While x <= 10

14

15 resultLabel.Text = mysteryValue

QUESTION 6

 Find the error(s) in the following code. This is the definition for a Click event

    handler for a Button. This event handler should draw a rectangle on a

    PictureBox control.

1 Private Sub drawImageButton_Click(sender As System.Object,

2 e As System.EventArgs) Handles drawImageButton.Click

3

4 ‘ create an orange colored brush

5 Dim brush As New SolidBrush(Orange)

6

7′ create a Graphics object to draw on the PictureBox

8 Dim graphicsObject As Graphics = mainPicture.AcquireGraphics()

9

10 ‘ draw a filled rectangle

11 graphicsObject.FillRectangle(brush, 2, 3, 40, 30)

12 End Sub ‘ drawImageButton_Click

QUESTION 7

List and describe with examples the design principles of Graphical User Interfaces (GUIs).

QUESTION 8

Compare and Contrast the concepts of Inheritance and polymorphism in Visual Basic and C#. 

Your response should be detailed along with code examples from both language.  

QUESTION 9

The most difficult part in learning computer programming is problem solving. Look back at your learned knowledge and problem solving/programming experiences in this class. Now describe your thought processes while engaged in problem solving and computer programming using C#. Provide detailed examples.

QUESTION 10

Describe a 2- dimensional array. Provide examples and uses of arrays in VB & C# languages.

QUESTION 11

List and describe at least two kinds of control statements? Provide examples and uses in VB & C# languages.

QUESTION 12

List and describe real-life applications you can imagine/develop for your personal needs, at your work or any other practical use. Provide examples and uses in VB & C# languages.

QUESTION 13

Describe in details with plenty of examples on what you have learned while using Visual Basic & Visual C# 2012 Debugger. Provide examples and uses in VB & C# languages.

QUESTION 14

Describe in details with several examples about Graphical User Interfaces and their uses in real-life situations. Provide examples and uses in VB & C# languages.