How and why the Internet works the way it does. Emphasizes that the Internet is not the World Wide Web or email but the platform on which those services work. Packets, or units of information, travel from source computer to the Internet to other computers. The information travels through routers. The Internet is organized to allow high level services or applications like email, audio and video information and the World Wide Web to be used. Functions with a layered architecture, and transmission control protocol/Internet protocol (TCP/IP). Domain name systems (DNS) and other top level domain (TLD) names help to organize the Internet.
