Yes, you can. I have mine charging through a usb right now. Not sure if this is what you mean.
The DS Lite does not have a USB port.
You can connect an MP3 to a CD player through the "AUX in" port.
old ones use LPT or Printer Port and new ones use USB
Using active hubs you can connect 127 devices to each USB port.
You need to connect your to your computer through the USB port with the iPad connection port. It will sync automatically
Yes you can, but the USB 3.0 hub will only work at the speed of the USB 2.0 port.
If you are in need of more USB ports, you need to get a USB Hub. A USB Hub acts like a splitter - you connect it to one port, and the port itself allows you to connect several devices to it, rather than directly to the USB port on the PC.
in the usb port or in the back on the monitor or in the headphone port
You can have a USB Serial (COM) port and you can connect PCs together using Serial (COM) port.
As long as there is a USB port, then yes, you can.
A USB cable is available for the DS Lite - it connects to the power port on the DS, and allows you to charge up your DS battery from a USB port. You can't use the cable to transfer saves, cheats, or data, however - just charge.
You will need an adapter to connect a 2-pin SAE cable to a mini-USB port. Look for a specific adapter that converts the SAE connection to a mini-USB connection. Simply plug the SAE cable into the adapter and then connect the mini-USB end of the adapter into the mini-USB port.