no, wireless mouses and keyboards come with usb plugins so that it is wireless, so therefore, you can have a wireless mouse without a wireless keyboard.
How do i connect my wireless usb keyboard/mouse to sony blue ray player
no, they comes with a USB adapter
No, the wireless mouse adapter was meant to receive the signal from the mouse only. This is because there are many wireless devices and your adapter was designed only to pick up the one registered device. Even if you could donate the mouse responder to the router, the adapter would expect the router to send it mouse specific commands only.
If you want to use wireless connection yes you need a wireless adapter.
Update batteries and buy a new one
no
If you want to use internet wirelessly, yes you need a wireless router and a wireless adapter for your PC (usually laptops have it).
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.
If you are talking about building of wireless network. Then you need a wireless router and a wireless network adapter (if you have a laptop you might not need it). If you have a desktop you rather will have to purchase a wireless network adapter. Pay attention to what kind of wireless network you are going to build. It can be a, b, g, and n types.
You can use router of G or N type and the same type wireless adapter. Of course you can use wireless N adapter with G-type router and reverse.
You can just disable device, there is no need in disconnecting the G adapter.
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.