Complete the VB.Net program below by filling in the four gaps to initialize all elements in a 3x3 game board grid to "-".
1 Dim board As String(,) = New String(,) {{ "", "", "" },
{ "", "", "" },
{ "", "", "" }}
2 Dim row As Integer = 0
3 While (row < 3)
4 Dim col As Integer = 0
5 While (col < 3)
6 board( _____ , _____ ) = "-"
7 _____
8 End While
9 _____
10 End While
36 exam-style questions on AQA GCSE Computer Science Data structures. Each one has a worked solution and a mark scheme showing where the marks go.