David Fearon explains how to save energy and hassle by converting your old Windows XP PC to a virtual one that you can run on your Vista machine

By far the most common architecture today is Ethernet, which first appeared in 1975. Today its the de facto standard in almost every corporate network but there are other factors to consider, such as

We provide the commentary on a bruising eight-round battle between Vista and Tiger.

Tim Berners-Lee, the inventor of the web, has a vision for newer, smarter web. Tim Dean looks at how the future of the web might work.

Cutting edge technology is bringing powerful enterprise-grade solutions to the small and medium business sector. Read on for tips, analysis and tutorials about how you can take advantage.

It could save your business money and your data in case of disaster. Ian Murphy explains how to get started with virtualisation.

Not Apache, MySQL or Firefox, but lesser-known apps that serve a particular function very well – a Top Ten of open-source applications you’ve never heard of.

At Microsoft’s grand unveiling of Office Beta 2, Vista and Longhorn, we ask why it’s being so bullish about this release.

Probably the best place to start with the notion of artificially intelligent machines, is to get some perspective on exactly what comprises intelligence, or other similar concepts like awareness or se

Peer-to-peer networks - networks in which theres no central domain controller and all machines have equal status on the network - are the easiest approach for small installations of up to around ten m

Traditionally firewalls were the bastion of large, publicly accessible networks to keep hackers out. But in a world connected by the Internet, every machine hooked up to it becomes publicly accessible, and so it's vital that every machine is equipped to protect itself, and the network it may serve, from attack.

It could save your business money and your data in case of disaster.

Jon Honeyball laments the features that got away in the final Vista build.

Raw computational power is being brought to bear on every stage of genome research from the moment the biologists tip their goo into a sequencing machine...

Leigh Dyer shows how virtualisation technologies could change the server market.

PC Authority takes a stroll through 2,500 years of computing history. Next month, we look at the future. Whether you work directly in IT, or even just about anywhere in todays soci

From budget laptops to ultra-tiny netbooks, ultraportables and high performance, we explain the tricks to finding out the ultimate laptop at the right price.

Your photos, music and data are just a virus or hard disk failure away from oblivion. Build a triple-layer defence using PC Authority's practical guide.

The Turing Test does illustrate one thing further than the ability of modern machines to trick us into various things. The test shows just how important the quality and depth of information provided t

1918 Enigma The German Enigma is surely the best-known mechanical cipher machine. Invented in 1918, it was developed as a commercial and military encipherment system. Enigma