What is a Virtual Private network (VPN)?

Companies and organizations will use a VPN to communicate confidentially over a public network and to send voice, video or data. Read More »

What Are Network Topologies?

Network Topology refers to layout of a network. How different nodes in a network are connected to each other and how they communicate is... Read More »

Computer Architecture Study Guide

Webopedia's computer architecture study guide is an introduction to system design basics. It describes parts of a computer system and their... Read More »

The 7 Layers of the OSI Model

The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »

List of Free Shorten URL Services

A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More »

Hard Drives are Dying (Or Maybe Not)

Given the HDD performance enhancements, coupled with the likely price drops, it seems that HDDs will be with us a good long time. Read More »

Text Messaging & Chat Abbreviations

This chat guide lists more than 1,450 text message and online chat abbreviations to help you translate today's texting lingo. Read More »