Learn about the internet, the world's largest computer network.

A big name for a big job, the network systems and data communications analyst works with computer networks within companies. Science Buddies offers a career profile outlining the many duties of the systems analyst as well as the...

Learn the basics of computer networks.

Wikipedia offers the definition of the term, "Computer network," including the range, functional relationship, topologies, functions, and protocals.

This site contains a Wikipedia description of computer networks.

Learn about the physical connections in computer networking.

A comprehensive glossary on networking terms.

A student team activity that demonstrates an approach to parallel sorting, or how much computation can be done at the same time. It can be done on paper, but the lesson becomes more meaningful if the students do it on a large scale,...

Learn that the internet is a network of computers connected to each other. But what does each physical connection look like? It depends on the needs of the connection and the size of the network.

Read all about computer networks. Then take an interactive quiz to test your understanding.

An informative article about networks. Includes what it is, and types of networks.

This MIT course on network and computer security covers topics such as security in multi-user distributed systems, cryptography, authentication, intrusion detection, and many other security topics.

This lesson focuses on graphs in everyday life including virtual graphs such as the Internet or physical computer networks of computers. It puts graph theory into practice and provides examples and learning exercises.

This site contains information about establishing and maintaining a secure home computer network, with an emphasis on Windows-based operation systems.

Wikipedia gives an excellent encyclopedia definition of a Personal Area Network for the computer, or PAN.

Wikipedia provides an encyclopedia definition of a local area network, or LAN, including many hyperlinked terms.

From social media to massive financial institutions, we live within a web of networks. But how do they work? How does Googling a single word provide millions of results? Marc Samet investigates how these networks keep us connected and...

Informative, fun, and humorous tutorial that uses cartoon characters to provide an introduction to information technology. The tutorial covers operating systems/desktops, email, the world wide web, and networks.

Steiner trees are another way to approach finding efficient networks between points. This is another tough problem from computer science, converted into an activity which is easy to explain, with variations suitable for higher-level...

This puzzle shows students the decisions involved in linking a network between houses in a muddy city. It can lead on to a discussion of minimal spanning tree algorithms for optimizing networks.

Starts with a simple definition of a network and then explores the components of a network, how a network works, types of networks, communication protocol, and hardware.

Information on connecting Mac and Windows machines to an Ethernet network. Click on icons for specific information and settings.

Learn about IP packets in computer networking.

This section of Computer Hope is designed to help users understand and make better decisions when purchasing computer hardware, software and computers. Be sure to review the section 'Buying locations' which gives you tips and what to...