Networks: Two or more devices connected together in order to communicate and share resources

Node: A device connected to a network

Packet: A chunk of data that forms part of a message

Hardware: The physical parts of a network

LAN: LAN stands for Local Area Network. It is a network that covers a single building or a small site

WAN: WAN stands for Wide Area Network. It is a network that covers a large geographical area of at least one mile

Router: A device that sends packets between networks. It makes decisions about where to send data and by what route

WAP: WAP stands for Wireless Access Point. A device that allows devices to connect to a network using standards such as WiFi and Bluetooth

Switch: Filters and forwards data packets directly to the intended recipient

Hub: Filters and forwards data packets to all connected nodes

NIC: NIC stands for Network Interface Controller. A computer component that allows a computer to connect to a network

MAC Address: A unique number assigned to each NIC. Identifies any device on a network

IP Address: A unique number that identifies a device on the internet

Client Server Network: Most common way to organize a LAN. One or more computers are designated servers. A server typically looks after Login and security; File Handling; Printing and Internet Access

Peer to Peer: All computers are considered equal. Functionality can be divided amongst nodes. Each computer can act as a server.

	Created by Samuel Viel almost 3 years ago

A glossary for computer science students

Computer Science Glossary