Glossary

Computer Networking Glossary

• Baud - The number if signal level changes per second in line - regardless of the information content of those signals.

• bps(bits per second) - The rate of transfer of data bits.

• LAN(Local Area Network) - A network typically contained wholly within a single site and entirely owned and controlled by a single organisation.

• NIC(network interface card) - The hardware component that connects the computer to a network, and contains information on the computer's location and also instructions for sending and receiving data over the network.

• MAN(Metropolitan Area Network) - A large network usually spanning a university or a city. It typically uses wireless infrastructure or optical fiber connections to link its sites. 

• Modem - The hardware component that connects a computer to a phone line. A modem converts digital signals (a stream of bits) to analogue signals ( a continuous wave) which is the format used in telephone lines. That analogue signal is sent through the telephone lines.

• WAN(Wide Area Network) - A network that spreads over a geographically large area. It is characterized by its dependence on Public Telecommunications Providers for either dial-up or dedicated services.