A port is a numeric identifier for software that runs on a computer, like Web server or email server software. When a port is open, it's accepting connections from the outside world. It's not uncommon ...

Many laptop brands have removed ports in favor of slim and lighter designs. The current-gen laptop offers limited ports which makes it inconvenient to connect multiple devices. Thanks to USB hubs, ...

We may receive a commission on purchases made from links. The lack of a sufficient number of USB ports and limited onboard storage are two of the major problems faced by many laptop owners, as ...

Modern laptops come with a dizzying array of ports—or maybe only one, in the case of some extremely svelte ultraportables. But how can you know what they all do, or what you might want in a new system ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

Though Firewalls are necessary when your computer is connected to the Internet, they can cause problems trying to get Internet aware programs working properly. For example, if you wanted to host a ...

To identify the specific USB ports and connectors on your devices, you can simply look at their shape and color, or check ...

All our computing devices rely on technology that allows them to connect to other devices and networks. Some of these work using electromagnetic systems, but a good number of them must use a physical ...