The Obama administration is warning American businesses about an unusually potent computer virus that infected Iran's oil industry even as suspicions persist that the United States is responsible for secretly creating and unleashing cyberweapons against foreign countries.

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NVIDIA CEO Jen-Hsun Huang previously mentioned that more Tegra 3-powered tablets would be coming to the market this summer, starting at the low price of $199. At the company’s annual shareholders’ meeting last week, vice president Rob Csonger revealed Kai, a plan to democratize its quad-core Tegra 3 system-on-a-chip. NVIDIA is looking to offer tablets that are more powerful than Amazon’s Kindle Fire, but that will be offered at the same low price point. “Our strategy on Android is simply to enable quad-core tablets running Android Ice Cream Sandwich to be developed and brought out to market at the $199 price point, and the way we do that is a platform we’ve developed called Kai,” he said. “So this uses

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