4.1.1 a) Consider the following VB.NET code snippet:

Dim a As Integer = 15

Dim b As Integer = 4

Dim c As Integer = a \ b

MessageBox.Show(c)

i) What are the initial values assigned to the variables a and b? [2]

ii) What arithmetic operation is performed to calculate the value of c? [2]

iii) What is the output of the code snippet when executed? [2]

b) Examine the following VB.NET code segment:

Dim numbers() As Integer = {1, 2, 3, 4, 5}

Dim sum As Integer = 0

For Each num As Integer In numbers

sum += num

Next

MessageBox.Show("Sum of numbers: " & sum)

i) What data type is the numbers array declared as? [2]

ii) What is the purpose of the sum variable? [2]

iii) What is the output of the code segment when executed? [2]

c) Examine the following VB.NET code segment:

Dim x As Integer = 10

Dim y As Integer = 20

If x > y Then

MessageBox.Show ("x is greater than y")

ElseIf x < y Then

MessageBox.Show ("x is less than y")

Else

MessageBox.Show ("x is equal to y")

End If

i) What conditional statement is used to compare x and y? [2]

ii) What is the output of the code segment when executed? [2]

iii) What message is displayed if x is equal to y? [2]

4.1.2 Section 3: Code Execution

4.1.3 Write VB.NET code to declare a variable named "age" of type Integer and assign it the value 25.

[5]

4.1.4 Write VB.NET code to display the message "Hello, World!" using a message box.

[2]

4.1.5 Write VB.NET code to prompt the user to enter their name and then display a message box with the text "Hello, [name]!" where [name] is the name entered by the user.

[5]

4.1.6 Write a VB.NET code snippet to declare an array of integers with 5 elements and initialize it with values 1, 2, 3, 4, and 5.

[5]

4.1.7 Write a VB.NET code that counts from 0 to 20 , using 2's