It depends on how many USB slots you have. If you do in fact have more than one, that yes you can have more than one USB in at a time.
A root hub is the socket on a computer's system board to which its USB ports are connected. A computer may have more than one USB root hub.
A 7 port USB hub is a device that plugs into a single USB port on the computer and offers 7 additional USB ports. This would be used in the event that a user had more USB devices to plug in than are available on the computer.
Yes. A DVD can store more pics and video than a USB and is recommended for all computer users.
You can, but it's not that like you might think. You will have to get a switch and connect all your computers to the switch, then the computer with USB drive connected has to be setup as a gateway which is tricky.
Any USB devices as long as the computer has USB Ports. Plugging new USB devices in old computers (older than 3-5 years) might not work as newer devices might use a newer USB version. Generally this rarely happens, I never had an issue of a USB device not working on a computer with USB.
You can buy what is called an external USB Hub. A USB Hub is a device that allows many USB devices to be connected to a single USB port on a host computer or another hub You can buy them just about anywhere...Best Buy, WalMart, RadioShack..etc..
This is what you could do:*Take out you USB device and give the port a gentle blow.try again.*If it still doesn't work, (On a normal computer there are more than one USB port), Put the USB device in a different port.*If they don't work then the problems could be as follows:-There may be a problem with your computer/laptop.-There may be a problem with your USB Device.-If there is a problem with your computer (If you tried changing your USB port 2 times+ and there is no new response) you may need to call up the computer company and ask for an exchange.
They work with any computer that has a USB port, to a USB device.
You can own as many as you can afford. The only restriction to the amount of simultaneously connected drives to your computer are the free USB or Firewire ports. But you can always buy a USB hub to make more free ports.
A USB printer is connected to a computer or network by a USB cable - so the answer is "No!"
Depends on your computer...some have 8-10 other have zero :S
If you PC or person computer is having a hard time detecting a USB try rebooting your computer. If rebooting your computer doesn’t help some suggest blowing into the USB port to make sure the dust isn’t blocking a connection. You can also try the USB on another computer to make sure it isn’t broken.