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The Evolution of Computing: From Abacuses to Modern Computers

Explore the fascinating history of computation, tracing the journey from ancient tools like the abacus and Inca quipu to modern devices. We examine various calculating aids, including the slide rule, and how they paved the way for today's computers. From engineers utilizing slide rules during the design of the SR-71 Blackbird to the advent of mechanical and electronic computers, this overview highlights key developments in computing technology. Learn how past innovations laid the groundwork for current advancements in the digital age.

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The Evolution of Computing: From Abacuses to Modern Computers

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  1. History of Computers

  2. Is this a computer? http://commons.wikimedia.org/wiki/File:Dell_Desktop_Computer_in_school_classroom.jpg

  3. How about this?

  4. What about this? http://commons.wikimedia.org/wiki/File:Chinese-abacus.jpg

  5. Or this?

  6. Abacus • Is a simple device to aid in calculating. • This is an Inca Quipu.png1 • And a Roman Abacus2 14th edition of the Meyers Konversationslexikon 1888 2Reconstruction of a Roman Abacus, made by the RGZ Museum in Mainz, 1977

  7. Abacus Many countries still use Abacuses in day- to-day sales calculations http://www.flickr.com/photos/todbaker/2305853928

  8. Abacus • Primarily used as a aid for addition and subtraction • For more complex operations other tools are often used, such as slide rules http://commons.wikimedia.org/wiki/File:Chinese-abacus.jpg

  9. Slide rule • While the abacus was in use over 4000 years ago, the slide rule is a relatively modern device. • William Oughtred invented the slide rule around 1622 AD

  10. Slide rule • During the 1960s computers became a resource that engineers could use. • The engineers who designed the SR-71 Blackbird still used slide rules on a daily basis.

  11. The Blackbird set a coast-to-coast record time of 67 minutes 54 seconds.

  12. Mechanical computers http://commons.wikimedia.org/wiki/File:Curta_Mechanical_computer_img_1651.jpg

  13. Univac http://www.flickr.com/photos/diorama_sky/2902656083/

  14. Modern Computer http://commons.wikimedia.org/wiki/File:Dell_Desktop_Computer_in_school_classroom.jpg

  15. Vacuum Tubes http://www.flickr.com/photos/nickames/4081648117/

  16. Transistor http://www.flickr.com/photos/oskay/2105641530

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