A wireless card for laptops is used to enable the laptop to connect to a wireless network. A wireless router is used to keep track of the whereabouts of devices connected to the network. It is part of the network. This is a very basic answer but I think it should be enough to answer your question.
The most common and simplest ways is with an HDMI cable. You can find them relatively cheap on the internet compared to actual stores.
Today all laptops come with at least one wireless card. If you are using a cable you might want to get a wireless router, which will allow you to have internet wirelessly.
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
how do i get my laptop to pickup my cisco wireless router while using ubuntu. my laptop will not show wireless connect
If you don't have a wireless router, that means you can only get connected to the internet using wire / LAN cable.
Get a Router that Supports Wireless Internet.
no...but a modem with a built-in wireless router would.
For a wireless router setup a computer with a wireless network adapter is needed. The wireless router is connected to a modem using a ethernet cable. The wireless router should also be connected to a computer. After this the computer should recognize the router and guide you through the rest.
If you connect your modem to the router, and then using one of LAN port (router's) connect the PS3 to the router, you will not interfere with wireless signal at all.
Wireless internet is just done using a wireless router. You can use any type of internet and hook up a wireless router to make it wireless for your devices in your home.
Wireless printers do not need laptops for to work. If you really have two identical wireless printers, configured using DHCP. You should not have any conflicts. If you are using static IP addressing you might have conflicts if you choose the same IP for both. If your printers connected to laptops which make you printers wireless, again you should not have any problems (if the laptops do not have problems with its IPs).
Yes today as people are mobile and laptops are getting cheaper, more people are purchasing and using laptops. Laptop's wireless capabilities today are steadying becoming better and more people are using laptops as their main computer.