Oracle customers this week expressed concern about the effort and cost of upgrading IT infrastructures after the software maker said it would stop development for Intel's Itanium chip architecture.

Dell on Tuesday is set to announce low-power PowerEdge servers that can quickly band together to execute transactions more efficiently than traditional servers, which use faster, but more power-hungry chips.

Qualcomm on Tuesday said it is stepping up its software efforts as its chips begin supporting more operating systems, including Microsoft's upcoming Windows OS, which will be targeted at mobile devices, tablets and PCs.

Google's decision this week to ask the U.S. Patent & Trademark Office to re-examine a number of the Oracle patents at issue in the companies' ongoing intellectual-property case could have a significant effect on how the dispute plays out.

Microsoft has asked Intel to develop a 16-core version of its low-power Atom chip for use in servers, part of a wider effort to reduce power consumption in its massive data centers, a Microsoft executive said Thursday.

Microsoft said Wednesday that the next version of its Windows PC operating system will run on Arm processors, part of an effort to adapt Windows to the fast-growing market for tablet computers, where Apple and Google have gained traction.

Tokyo Institute of Technology's newest supercomputer, Tsubame 2.0, proves that high-power computing can go hand-in-hand with energy efficiency. The new computer, which was inaugurated last week, is the second most energy-efficient supercomputer in the world and that's thanks to an administrator who was more concerned with the monthly electricity bill than the cost of the hardware.

Oracle on Thursday stepped up its efforts to rebuild Sun's hardware business, announcing a high-performance clustered database system that could turn up the competitive pressure on rivals IBM and Hewlett-Packard.

U.S. Web users should be able to sign up for a do-not-track feature in browsers that would prohibit websites and advertising networks from following their movements online, the U.S. Federal Trade Commission said Wednesday.

When it comes to power-efficient computing, CPUs are weighed down by too many legacy features to outperform GPUs (graphics processing units) in executing common tasks in parallel, said the chief scientist for the GPU vendor Nvidia.

Oracle CEO Larry Ellison faced tough questioning on the witness stand Monday morning about the effects of TomorrowNow's intellectual-property theft on his company.

Facebook and eBay shared some tips this week for improving efficiency and cutting energy bills in data centers.

Microsoft announced the Windows Phone 7 OS for handheld devices on Monday, taking a step forward in the company's efforts to strengthen its position in the still-growing smartphone market. CEO Steve Ballmer unveiled the first phones to run the OS, and named the network operators that will distribute them.

Nokia has named Stephen Elop, president of Microsoft's business software group, to become its new CEO effective from later this month.

The U.S. government lacks a plan to counter terrorist recruiting efforts online, even though such efforts by jihad groups are growing, one terrorism expert told U.S. lawmakers.

PC maker Dell is looking into Advanced Micro Devices' Fusion processors for use in future laptops and desktops as it tries to make PCs smaller and more power-efficient, a company executive said.

The new rules went into effect March 16.

Intel Corp. is honing its sights on many-core chips that are far more powerful than today's dual and quad-core processors.

Hewlett-Packard reported an 18 percent jump in profit for its fiscal fourth quarter, thanks to cost-cutting efforts and the strength of its services business.

Some of the few PC makers who offered a controversial Web filtering program mandated by China have reversed those plans, dealing the latest blow to China's efforts to deploy the software nationwide.