The award was created in memory of Tony Sale, who led UK computer conservation efforts until his death in 2011.

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Apple has struggled to keep up with demand for the latest version of its tablet computer, which went on sale in the United States in April.

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Apple gave reporters a chance to play with its new tablet computer Wednesday before it goes on sale March 11 in the United States.

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The Microsoft Surface, a horizontal touch-screen computer with neither keyboard nor mouse, will go on sale in November.

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While Microsoft has sold 100 million copies of the operating system since it went on sale in 2007, most of those sales have been drummed up by computer makers who install the software on their computers before selling them to consumers.

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Jobs and Steve Wozniak famously created the Apple computer in Jobs' family garage, building the device by hand and financing the company through the sale of Wozniak's fancy calculator and Jobs' VW camper van.

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Such solutions deal with only a few of "thousands of related issues, " Upson said, including how to handle product sales to American consumers that take place on American company-owned servers based in foreign countries and how to tax the sale of digital goods and intellectual property such as software and computer-generated music.

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Mr Sale is best known for the mammoth project that resulted in the re-creation of the Colossus computer.

BBC: Tony Sale: Computer restoration memorial prize launched