Ever notice upstream and dowstream USB ports on your monitor and wonder what they're for? We explain the difference and what ...

Puzzled about the ports on your current computer or trying to understand what the USB-C ports on your next laptop are capable of? We explain the differences between USB, HDMI and ethernet.

Instead, a computer should be connected to a router's local area network (LAN) port, as these ports are specifically intended to handle local network traffic.

Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.