The portion of memory in which a recursive computation is stored is called a/an:

What will be the output of the following program when the button is clicked on?

``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim word As String word = "progression" Strange(word) End Sub Sub Strange(var As String) txtBox.Text = var.Substring(CInt(Int(var.Length / 2)), 1) End Sub ``` (A) progr (B) r (C) e (D) progre

A(n) ____________________ is an archive of all files on the file system.

Fill in the blank(s) with the appropriate word(s).