The Computer History Museum located in Mountain View, California, provides a glimpse into the development of the information age via their large collection of artifacts. This section highlights the development and use of the abacus, "a powerful calculating device enabling its user to add, subtract, multiply, and divide." A brief introduction is accompanied by a dozen photos of abacii from the twentieth century.

Concepts

abacus

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Additional Tags

abacii, abacus artifacts, computing devices, counting devices, history of the abacus, types of abacuses

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)