| A | B |
| Internet | A collection of connected computers |
| Network | Two or more computers that communicate with one another |
| Client | A computer that accesses a server |
| Server | A computer that provides a service |
| URL | Universal Resource Locator, or web address |
| Browser | Computer application that allows access to the Internet |
| ISP | Company that provides access to the Internet |
| DNS | Domain Name Server, which stores IP addresses |
| IP | Internet Protocol, or special # name for clients on Internet |
| Backbone | High speed lines that connect computers for an ISP |