Explaining Computers

RAID is a technology that connects two or more hard drives to improve storage performance and/or to protect against hardware failure. This video fr...

Ultrabooks are a new category of lightweight, rapid-access Windows laptop. This video explains what they are all about.

Quantum computers store and process information using quantum mechanical states. This video by futurist Christopher Barnatt explains what this mean...

This video shows how to fit a new SATA hard disk into an existing external hard drive unit such as a LaCie D2 Quadra. It is produced and presented ...

This video explains SD card types, speed classes and sizes. It also includes some speed tests, and even an experiment where an SD card is frozen in...

This video explains how solid state disks (SSDs) are becoming an alternative to traditional hard disks, and highlights their advantages and disadva...

This video contains a practical discussion of the handling and long-term storage of large quantities of data, or what is sometimes now referred to ...

This video explains the new 'superspeed' USB 3.0 standard for connecting things to computers. It is produced and presented by Christopher Barnatt o...

This video shows the construction of an energy efficient PC that uses only around 20W of power. It is presented and produced by Christopher Barnatt...

This video explains how cloud computing is becoming essential to be competitive, to be green, and to enable innovation. It is produced and presente...

This video explains cloud computing. It is produced and presented by Christopher Barnatt, author of ExplainingComputers.com, and Associate Professo...

This cloud computing video introduces the Google Docs and Microsoft Office Web Apps online office suites, and the Pixlr, Aviary and Jaycut online i...

This cloud computing video explains SaaS, PaaS and Iaas -- otherwise known as "software as a service", "platform as a service" and "infrastructure ...

This video explains how I overcame chronic repetitive strain injury (RSI) in my fingers following intensive computer use. More information on compu...

This video explains how the 3D computer graphics featured on http://www.YouTube.com/Expl... and http://www.YouTube.com/Expl......

This video explains common computer-related health and safety issues and how to avoid them. It can be used to help educate employees and other user...

Web Squared is the next phase of Internet development beyond Web 2.0. This video by Christopher Barnatt introduces the key aspects of Web Squared a...

Mobile broadband allows us to get online at high speed from almost anywhere. This video explains what is involved. It is presented by Christopher B...

This video explains the key features of ultramobile computers such as the Eee PC and Acer Aspire One. It is presented by Christopher Barnatt, autho...

When it comes to being green, computing is both part of the problem and part of the solution. This video therefore looks at the environmental aspec...

This video discusses computer security and explains some of the measures that individuals and companies can take to keep their data and computers s...

This video from ExplainingComputers.com shows how much electricity a computer can waste when shut down but not switched off . . .

This video explains interpersonal computing, web services and software as a service (SaaS) as the the three key aspects of Web 2.0. It is produced ...