Connectivity Modem The device that allows a computer

Connectivity

Modem � � The device that allows a computer to transmit data through cables Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analogue waves

Network interface card � The NIC contains the electronic required to communicate using connection (e. g. , Ethernet) or a connection (e. g. , Wi-Fi). A network card is also known as a network controller, network adapter, or Area Network (LAN) adapter. circuitry a wired wireless interface Local

Terminal adapter A hardware interface between a computer and an Integrated Services Digital Network line. The terminal adapter is what you have to install on a computer so that data can be fed directly into the ISDN line in digital form.

Wireless router � this connects to the internet, rather than your USB dongle. The router should then let you connect several computers to the Internet at once using wireless, Ethernet, or both.

Wireless network card � It allows you to connect to a wireless radio based network rather than a wired network

Hub � Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.