If you do not need access to internet, no you do not need that. You have to set up IP addresses manually, then you will be able to use your printer.
No, you do not need a computer to use wireless for your tablet. all you need to do is connect your tablet to your wireless network.
No. You need a wireless router, though you don't necessarily need a computer.
You need to have two things: a wireless router and a wireless adapter compatible with the router.
You need to change the network card in your computer with a wireless one, and buy a wireless router. Need 2 items: wireless router wireless network card
You need a computer to access the internet. You need a modem, and a wireless card in your computer.
If you do not see signal from your router, it means that the signal is not strong enough an you need to get a wireless extender or a better router.
You can't add wireless router to your computer. You can a wireless router to your network. If you do so, it does make your network wireless. In order to use your network wirelessly you need to have wireless adapter for all your computers you want to be connected wireless.
If you do have a wireless router on, you don't need any other computer to be on, say if you have a laptop downstairs, and a computer with the router upstairs, the computer can be off, but the router has to stay on, and you can access the internet using the laptop from downstairs, if you have a good enough signal. Hope this helps!
Yes, This is for adding a wireless antenna to a desktop or laptop computer that does not have wireless built in. You still need a wireless router connected to your internet provider.
No, you don't.
The wireless router for PS3 is inside. To access it, you need to buy a wireless access point, called a router, and plug it in to your computer's Internet access area, usually a modem. Set it up with your computer, and then have the PS3 search for the router.
Yes, you do. Even if you are going to have only one computer connected wiressly you need to have a wireless router for that.