InformIT features two interesting articles (free registration required), excerpts from the two books: Modern Operating Systems (again) & WindowsXP Unleashed. “The first general-purpose electronic computer, the ENIAC, had 18,000 vacuum tubes and consumed 140,000 watts of power. As a result, it ran up a nontrivial electricity bill. After the invention of the transistor, power usage dropped dramatically and the computer industry lost interest in power requirements. However, nowadays power management is back in the spotlight for several reasons, and the operating system is playing a role here.” Read the rest of the excerpt article from Tanenbaum’s book. “Microsoft’s Windows XP Professional and Home Editions can be made to perform faster than their default installed configurations by making a few modifications at the user level. Louis Columbus shows you the steps you need to take to increase Windows XP’s overall performance.” Read the first out of ten articles regarding the optimization of WindowsXP.