you stick a usb cable into it then you plug something like a camera into that then you go onto computer on your computer click on the camera icon and that's how you use a USB port
old ones use LPT or Printer Port and new ones use USB
It's a USB loopback connector.
Well depending on what usb ports it has usb 3 ports are the best to use.
By getting a usb point for your mobile phone!
yes No you can not, a Dongle goes in the USB port and a PS3 can not use a USB port to connect to the internet
you must use a battery charger that contain a USB port and connect it to the laptop's USB port
Just plug something into it that uses usb.
USB Port
One of the simplest ways is to use USB flesh drive, keyboard or mouse. Just connect to the port in question and try to use the device. If it works then the port is OK, otherwise you have found the port (or one of them) causing the problem.
No :s
USB port.
The USB port is hardware.