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What are Ports?
http://www.softwaretipsandtricks.com/guides/articles/384/1/What-are-Ports/Page1.html
By Super Admin
Published on 06/30/2011
 
What are Ports?

What are Ports?
Every motherboard offers a plethora of ports on its back panel. The most commonly seen ports on today's PCs are PS2, USB, VGA, LAN, Serial, and Audio Sockets.