Laptops help you because they are portable and it is wireless
All new laptops come with a wireless network adapter.
All new laptops come with wireless network cards already built into them
yes it is possible
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.
the routers function is to make internet wireless for laptops and other wireless devices
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.
The best kinds of wireless routers for laptops is the Linksys Wireless-G WRT54GL Router. It got 4.5 our of five stars from user ratings and most said it was an easy set up.
There are many retail stores which sell wireless cards for laptops. For instance, Best Buy, Office Depot, and Office Max sell wireless cards for laptops. A person may also find wireless cards for sale at Wal-Mart, Target, and Staples.
All laptops can break, whether they have wireless or not. A laptop with integrated wireless is no more or less likely to break than without.
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).