Wednesday, June 1, 2011

Identify the devices needed in computer network communication



Network Interface Card (NIC)

Is an adapter card or PC card that allow computers to access and communicate over a wired computer network.(Via Cable)

Wireless Network Interface Card (WNIC)

Is a network card that provides wireless data transmission which connects to a radio-based computer network that allow computers to access and communicate over a wireless computer network.

Internal and external modem


Is a device that enables a computer to transmit data over telephone or cable lines. It may need to convert digital signals to analog signal (and vice versa)before transferring data, instructions and information.

Hub or switch

Is a connection point for devices in a network LAN. A hub connects all the devices on its ports together. A switch understands when two devices want to talk to each other, and gives them a switched connection


Is a communications device that connects multiple computers or other routers together and transmits data to the correct destination

Wireless access point

A wireless access point is a central communications device that allow computers to transfer data wirelessly to other wireless devices or to a wired network.

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