Secondary storage

pages for secondary storage.

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

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

http://www.ehow.com/list_6644477_advantages-disadvantages-blu-ray-disk.html

http://www.ehow.com/list_5905238_advantages-disadvantages-dvd-rom-disks.html

http://electronics.howstuffworks.com/blu-ray2.htm


third topic complete!!!!!