What is the default order of result set from Get-ChildItem command in powershell?

powershell, powershell-2.0

Solution

First folders in alphanumeric order (first numbers as [char]).
Then files in alphanumeric order (first numbers as [char]).

Problem

What is the default order of result set from Get-ChildItem command in powershell? Is there a order at all or is it just random and would give the results in a different order every time.

Original source