Mobile Interaction Concepts

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The Internet

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While often used synonymously with the Web, the term Internet typically refers to the vast collection of networking hardware and physical computing devices that make up the Internet.

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The Web

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Short for World Wide Web, the Web refers to the digital content that is delivered over the Internet, usually through a web browser.

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ISP

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Internet Service Providers, or ISPs, manage an access point to the Internet. They don't manage the entire Internet. If you think of the Internet as a big freeway, then ISPs manage the on-ramp to the freeway. They're responsible for building the on-ramp and keeping it maintained and open, but they're not responsible for the Internet itself.

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IP Address

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Every computing device that accesses the Internet is assigned a unique Internet Protocol (IP) address. These addresses consist of either four (IPv4) or eight (IPv6) parts. An example of a four-part IP address is 137.75.68.206.

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HTTP and FTP

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The Hypertext Transfer Protocol (HTTP) is used to identify resources and transfer content on the web. Some web pages use the HTTPS protocol, which adds an additional layer of encryption to make data transfers more secure. The File Transfer Protocol (FTP) can also be used to transfer data between computers on a network.

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URL

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A URL, or Uniform Resource Locator, is the reference or address to a resource on the Internet. An example of a website URL is http://www.testout.com/home/about/privacy.

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DNS

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DNS, short for Domain Name System, is a protocol that associates domain names (such as web servers) with unique IP addresses. DNS servers translate URLs into machine-readable IP addresses.

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TCP/IP

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TCP/IP stands for Transmission Control Protocol/Internet Protocol. It is the suite of protocols or rules that facilitate Internet communication.

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HTML

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Hypertext Markup Language (HTML) is the programming language that web pages use to display content through web browsers, such as Firefox or Google Chrome.

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Internet of Things (IoT)

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The Internet of Things refers to the network of physical devices that are connected to the Internet and capable of communicating and sharing data through sensors, network connectivity, barcodes, QR codes, and other technologies. The Internet of Things is made up of devices such as refrigerators, thermostats, street lights, and environmental tracking systems.