use either your computer or xbox to create an Ad-hoc network. join one to the other and they should connect, given you have an active internet connection between them. not 100% sure im right but i shall test and update.
By a wireless network adaptor for the Xbox 360 and connect wirelessly to your modem. (or whatever enternet connection system you use)
You can play any online game without Xbox live.
No xbox 360 cables don't fit in the orginal as do the original in the 360.
no
the xbox 360 comes with all the cables you need
IF you have the newer versions hdmi cables will work on the xbox.
You can use the xbox 360 still but the adapter or an Ethernet cable enables you to get xbox live and play online
A/v cables.
An Xbox 360 requires several different kinds of cables in order to be hooked up to a television. The cables required are: audio cables, image quality cables, and a cable to link systems.
yes, and also on the newer xbox models there is a port for HDMI cables i would recomend using this as i have foud it to be better, personal choice though
no. if you want to play for free online - get a ps3.
On the Xbox 360
If Xbox 360 compatible cables are required then try Amazon. They have a full range of cables that will work with this console, and also handy reviews and further information on the products.