Apps (Applications)

App is shorthand for an application. Applications are also called programs or software. Traditionally, they’ve been designed to do broad, intensive tasks like accounting or word processing. In the online world of web browsers and smart phones, apps are usually nimbler...

Cloud Computing

As you sit hunched over your laptop at home watching a YouTube video or using a search engine, you’re actually plugging into the collective power of thousands of computers that serve all this information to you from far-away rooms distributed around the world. It’s...

Packets

The early creators of the Internet discovered that data and information could be sent more efficiently when broken into smaller chunks, sent separately, and reassembled. Those chunks are called packets. So when you send an email across the Internet, your full email...

TCP/IP

Internet Protocol Suite, or TCP/IP for short. TCP/IP created a set of rules that allowed computers to “talk” to each other and send information back and forth. TCP/IP is somewhat like human communication: when we speak to each other, the rules of grammar provide...

Bandwidth

If traffic on the Internet were akin to a stream of water, the Internet’s bandwidth is equivalent to the amount of water that flows through the stream per second. So when you hear engineers talking about bandwidth, what they’re really referring to is the amount of...