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

This Webopedia  study guide describes the different parts of a computer system and their relations. 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 »

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 »

The Difference Between CRM and ERP

CRM and ERP are two important business technology acronyms. In this article we explain the role of CRM and ERP systems. Read More »

The History of Windows Operating Systems

Microsoft Windows is a family of operating systems. We look at the history of Microsoft's Windows operating systems (Windows OS) from 1985 to... Read More »