Computer history: the first 2,000 years

From the abacus to the iPod
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The Computer History Museum's new 25,000 square-foot exhibit entitled "Computer History: The First 2,000 Years" opened this week and includes media and artifact-rich galleries with an in-depth focus on more than 20 major areas of computer history. Here are some highlights from the show.

Early computers: The Abacus

Perhaps the oldest continuously used calculating tool aside from fingers, the abacus is a masterpiece of power and simplicity. Abacuses were widely used in Asia and Europe for centuries, and remain common today.

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