Routes data between networks. Most home “routers” are actually routers, switches, and wireless access points in one unit.

Routes data between networks. Most home “routers” are actually routers, switches, and wireless access points in one unit.

A powerful computer that stores websites and apps, “serves them up” to client devices upon request.

A powerful computer that stores websites and apps, “serves them up” to client devices upon request.

A powerful computer that stores websites and apps, “serves them up” to client devices upon request.

Your web browser, the program that requests resources from a web server and displays them to you.

Your web browser, the program that requests resources from a web server and displays them to you.

Your web browser, the program that requests resources from a web server and displays them to you.

A unique string of numbers that identifies each device on a network. Like a virtual return address.

A unique string of numbers that identifies each device on a network. Like a virtual return address.