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What is a Hub?

There are two primary types of hubs in the computing world: 1) network hubs and 2) USB hubs. 1. Network hub A network hub is a device that allows multiple computers to communicate with each other over a network. It has several Ethernet ports that are used to connect two or more network devices together. Each computer or device connected to the hub can communicate with any other device connected to one of the hub's Ethernet ports. Hubs are similar to switches, but are not as "smart." While switches ... Read more

What is Wired Network?

In computing terminology, the term "wired" is used to differentiate between wireless connections and those that involve cables. While wireless devices communicate over the air, a wired setup uses physical cables to transfer data between different devices and computer systems. A wired network is a common type of wired configuration. Most wired networks use Ethernet cables to transfer data between connected PCs. In a small wired network, a single router may be used to connect all the computers. Larger networks often involve multiple routers or switches that connect to each other. One of ... Read more

What is a Port?

In the computer world, the term "port" has three different meanings. It may refer to 1) a hardware port, 2) an Internet port number, or 3) the process of porting a software program from one platform to another. 1. Hardware Port A hardware port is a physical connection on a computer or another electronic device. Common ports on modern desktop computers include USB, Thunderbolt, Ethernet, and DisplayPort. Previous generations of computers used different ports, such a serial ports, parallel ports, and VGA ports. Mobile devices often have only one port. For example, an iPhone or iPad may have a single Lightning connector. ... Read more
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