PCI, PC Card, USB 100% sure.
Usually people call wireless cards devices which you have to put inside your computer. Adapters can be connected to computer without disturbing its internal structure (usb. com ports and so on). But now days when people say adapter or card they imply the same thing. It means that people call internal cards and external adapters just adapters.
To connect a computer to other computers (i.e. to a network) you need a network adapter, also called a Network Interface Card. This adapter should be suitable for a network which you want to connect to. Wireless adapters are for wireless networks, wired adapters are for wired networks.A network connection.if its file sharing a local network over your lan, or if its a game, social networking site on the internet its the internet.A network card connnects to a router (wireless or LAN) the the router connects to other computers or a modem (intranet-telephone interface)
Modem.
The easiest way to solve this problem: use a wireless connection. Many recent computers include a wireless NIC (network interface card), and can connect to wireless networks easily, leaving the Ethernet port free. This will only work, obviously, if this computer has a wireless card and there is a wireless network to connect to.If wireless is not an option, purchasing an additional Ethernet card will upgrade the computer to owning two Ethernet ports. One port can be used for the Internet, the other for this external service.
You need a computer to access the internet. You need a modem, and a wireless card in your computer.
Use Wireless Adapters.
Best Buy or Amazon.com have some of the best deals on wireless 802.11 adapters.
Usually people call wireless cards devices which you have to put inside your computer. Adapters can be connected to computer without disturbing its internal structure (usb. com ports and so on). But now days when people say adapter or card they imply the same thing. It means that people call internal cards and external adapters just adapters.
Only server type operating systems can do, if you have customer class OS in most cases it will confuse your OS which interface to use. You might want to try.
Nowadays most of computers come with wireless adapters but it is an extra option and you need to pay for it. You always can check presence of wireless adapter by going to Device Manager->Network adapters.
Newer notebook computers ship with a Wifi wireless network adapter already installed inside. Verifying the existence of these built in adapters can be difficult, as they are not generally visible from the computer's exterior. Follow these instructions to confirm or deny the existence of wireless notebook adapters in Windows XP.
If it does not have wireless interface, there is nothing you can do to make it wireless. Unless you connect to computer with wireless card and share the printer.
TV tuner,wireless NIC,and capture card
PCMCIA wireless adapter and USB wireless adapters. PCMCIA goes into notebooks (outdated one)
Wireless adapters (USB or not) are good for connecting to wireless networks (aka WLAN or WiFi).
Small Computer System Interface
To connect a computer to other computers (i.e. to a network) you need a network adapter, also called a Network Interface Card. This adapter should be suitable for a network which you want to connect to. Wireless adapters are for wireless networks, wired adapters are for wired networks.A network connection.if its file sharing a local network over your lan, or if its a game, social networking site on the internet its the internet.A network card connnects to a router (wireless or LAN) the the router connects to other computers or a modem (intranet-telephone interface)