Learn how the internet works with a simple guide on DNS, IP addresses, and routing—explained clearly to show how online ...

A permanent numeric identification assigned by the network administrator to a node in a TCP/IP network. Static IP addresses are used for shared resources such as Web servers, printers, telephone PBXs ...

A temporary numeric identification assigned to a node in a TCP/IP network. When a computer, smartphone, tablet, printer, scanner, TV or any other network-connected device is turned on for the first ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...