CSIS 208 Quiz 3

CSIS 208 Quiz 3 Liberty University

1. What is displayed when the button is clicked on?
   Private Sub btnDisplay_Click(…) Handles btnDisplay.Click
   Dim a, b as String
   Dim x as Integer
   a = “How now brown cow.”
   b = “brown”
   x = FindIt(a, b)
   Text = CStr(x)
   End Sub
   Function FindIt(z1 as String, z2 as String) As Integer
   Dim x as Integer
   x = z1.IndexOf(z2)
   End Function
2. In a Select Case block, if more than one Case clause matches the selector,
3. Programmers frequently write event procedures for the group box control. (T/F)
4. The second condition in cond1 OrElse cond2 is not evaluated when the first condition is false. (T/F)
5. “1st Place” < “2nd Place” (T/F)
6. The value of IsNumeric(“$20.00”) is True. (T/F)
7. Breaking up a large problem into smaller subproblems is called _________________.
8. A variable declared inside an If block ceases to exist after the block is exited. (T/F)
9. What will be the output of the following program when the button is clicked?

   Private Sub btnDisplay_Click(…) Handles btnDisplay.Click
   Dim word1, word2, newWord As String
   word1 = “shower”
   word2 = “about”
   newWord = word1.Substring(0, 4) & word2.Substring(0, 3)
   If newWord.IndexOf(“how”) = -1 Then
   Text = “The new word was not found.”
   Else
   txtBox.Text = “Found it.”
   End If
   End Sub

10. What property gives the value of the index of an item selected in a list box.
11. The Case Else part of a Select Case block is optional. (T/F)
12. If two simple conditions are true, the compound condition created from them by the And operator is also true. (T/F)
13. Every Select Case block can be replaced by If blocks. (T/F)
14. The value of “education”.StartsWith(“ED”) is True. (T/F)
15. The following lines of code are correct. (T/F)
    If age >= 13 And < 20 Then
    Text = “You are a teenager.”
    End If
16. Each argument in a calling statement must have the same name as the corresponding parameter in the header of the called procedure. (T/F)
17. Select Case choices are determined by the value of an expression called a selector. (T/F)
18. Which of the following is true?
19. What keyword in the header of a Sub procedure denotes that a variable is passed by reference?
20. Which statement is true?