15 Networks
For many years, computers have played as important a role in communication as they do in computation. This communication is accomplished using computer networks. Like complex highway systems that connect roads in various ways to allow cars to travel from their origin to their destination, computer networks form an infrastructure that allows data to travel from some source computer to a destination. The computer receiving the data may be around the corner or around the world. This chapter explores some of the details of computer networks.
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