1. Chapter seven review

2. What is the output of: Private Sub cmdButton_Click() Dim i As Integer, a(1 To 4) As integer Open "DATA.TXT" For Input As #1 For i = 1 To 4 Input #1, a(i) Next i For i = 4 To 1 Step -2 picBox.Print a(i); Next i End Sub Contents of DATA.TXT: 1,3,5,7

3. Output: 7 3

4. What is the output of: Dim a(2 To 9) As Integer, i As Integer, _ k As Integer, sum As Integer For i = 2 To 9 a(i) = i Next i sum = 0 For k = 4 To 6 sum = sum + 10 ^ a(k-2) Next k picBox.Print sum

5. Output: 11100

6. What is the output of: Dim a(-1 to 5) As Single, x As Single Open "DATA.TXT" For Input As #1 Do While Not EOF(1) Input #1, x a(x) = a(x) + 3 Loop Close #1 picBox.Cls picBox.Print a(0); a(2) Contents of DATA.TXT: 0, 1, 5, 2, 0

7. Output: 6 3

8. Dim a(-2 To 5), b As Integer Dim i As Integer, j As Integer Open "DATA.TXT" For Input As #1 num = 0 For i = 3 To 5 Input #1, a(i) Next i For j = -1 To 1 Input #1, k b = b + a(k) Next j picBox.Print b Contents of DATA.TXT: 2, 1, 0, -1, 3, 3

9. Output: 4

10. How many elements are in the array declared by Dim myArray(1 To 5, 1 To 5) As Single How many elements are in the array declared by Dim myArray(0 To 3, 1 To 3) As Single

11. 7.1

12. 3. Stuhldreher Crowley

14. 4. 11

16. 5. 6 2 9 11 3 4

18. 6. 10 12 3 14