No, you don't. Wireless adapter is completely optional. Though, I would recommend getting one so you don't have to run ethernet wire across the room.
You will need the Xbox wireless adapter, an installation disc, and an Xbox. Install the software onto the machine and plug the adapter into the USD port to install.
internet a wired adapter (comes with xbox 360) or wireless adapter (I like wireless) electricity
your need a xbox adapter from game for around £40
You don't. If you have the new Xbox 360, you don't need a wireless adapter because it has built in wifi. But if you have any other Xbox 360 console then you will need a wireless adapter.
With the Xbox 360 S, there is a built-in wireless card. For the Xbox 360 (older versions), you need to buy a wireless adapter.
You need an Xbox wireless adapter.
Firstly, make sure you have a wireless router/modem. The Xbox 360 s, the wireless adapter is built in. For the other Xbox's, you need to buy a wireless adapter. After this, you are ready to sign up for Xbox live.
No. If you have the new Xbox 360 S, there is a built-in wireless adapter. The older models have not and therefore you will need to buy a wireless adapter.
An ethernet cord to connect the XBox to a router or the wireless adapter for XBox to connect to your wireless router.
Your router WILL need to be wireless to connect wirelessly to your Xbox, but you can use an ethernet cable if your router is not wireless, straight from the router to the XBOX
I am not going to say it is impossible for a different adapter to work, just unlikely . The Xbox 360 Wireless Network Adapter was made specifically for that purpose, so it is unlikely that a normal adapter will work if attached to the Xbox as they most likely will not be compatible.
You need an xbox live gold card and either and ethernet cable or a wireless adapter