References Of Primary Storage

http://en.wikipedia.org/wiki/Computer_data_storage

http://www.ehow.com/list_5973000_types-primary-storage.html

http://www.buzzle.com/articles/types-of-data-storage-primary-and-secondary-storage.html

http://www.mediastoragedevices.com/primary-secondary-storage.html

http://answers.yahoo.com/question/index?qid=20060928041815AAcpnem

http://www.computerhope.com/jargon/p/primstor.htm

http://www.wiley.com/college/busin/icmis/oakman/outline/chap04/misc/glossary.htm

http://www.howstuffworks.com/ram.htm

Videos:
http://www.youtube.com/watch?v=6f736gCjJXY