It’s commonplace. We type a web address into the browser and hit Enter. With modern internet connections the page loads almost instantaneously. We’re at the site we wanted, reading or shopping, and don’t give the inner workings a second thought. But if you aim for a career in tech you need to know how to answer this common question: What happens when you type an address in your browser and press Enter?

First, your browser is a client in the client-server model.

The client-server model describes how a server provides resources and services to one or more clients. Examples of servers include web servers, mail servers, and file servers. Each of these servers provide resources to client devices, such as desktop computers, laptops, tablets, and smartphones. Most servers have a one-to-many relationship with clients, meaning a single server can provide resources to multiple clients at one time. –Client-Server Model

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