By pulling apart the hardware and software of a computer, the technology allows multiple virtual machines to share the same hardware resources without conflict.

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And Sinosun Technology, a maker of computer security software backed by Granite Global Ventures, which also backed Tudou, rose by 5.9% on Friday, after gaining 9.7% on Thursday.

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Despite the advent of GPS, radar technology and 3-D computer software, an exquisitely hand-drawn map and carefully collected data often can outdo what a couple of whiz kids can find on a laptop.

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Professional graphics card growth will be aided by increased adoption of computer-aided design technology in various industries and easier-to-use 3D graphics software and applications.

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"Now we have a good a idea of what it would be like to have the government run the computer industry, " said Jonathan Zuck of the Association for Competitive Technology, which represents software and hardware companies.

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Wadhwani, born in India 52 years ago and schooled in Pittsburgh, Pennsylvania, had founded a software firm (since sold to ABB of Switzerland) and was chief executive of Cimflex Technology (computer-assisted manufacturing) before founding Aspect in Mountain View, California, in 1991.

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