User talk:Sperkowsky

February 2014
Hello, I'm Materialscientist. An edit that you recently made to Central processing unit seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks! Materialscientist (talk) 21:50, 25 February 2014 (UTC)