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The History of Computers

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BC: The History of Computers | Source of information & pictures: sixrevisions.com

FC: The History of Computers

1: The first computers were designed by Charles Babbage in the mid-1800s, and are sometimes collectively known as the Babbage Engines.

2: The first electronic computers were developed during the World War II, with the earliest of those being the Colossus. The Colossus was developed to decrypt secret German codes during the war. It used vacuum tubes and paper tape and could perform a number of Boolean logical operations.

3: ENIAC was also the first machine to use more than 2,000 vacuum tubes, using nearly 18,000 vacuum tubes. | The first substantial computer was the giant ENIAC machine by John W. Mauchly and J. Presper Eckert at the University of Pennsylvania. This computer was used from 1946 to 1955.

4: The microchip (or integrated circuit) is one of the most important advances in computing technology. Many overlaps in history existed between microchip-based computers and transistor-based computers throughout the 1960s, and even into the early 1970s.

5: The first personal computers were built in the early 1970s. Most of these were limited-production runs, and worked based on small-scale integrated circuits and multi-chip CPUs.

6: One particularly notable development in the 1980s was the advent of the commercially available portable computer. | The first of these was the Osborne 1, in 1981. It had a tiny 5" monitor and was large and heavy compared to modern laptops

7: Laptops grew in popularity as they became smaller and lighter. By 1988, displays had reached VGA resolution, and by 1993 they had 256-color screens. From there, resolutions and colors progressed quickly.

8: In the 2000's mobile computing is one of the most recent major milestones in the history of computers. Many smart phones today have higher processor speeds and more memory than desktop PCs had even ten years ago.

9: Late 2000's Another recent progression in computing history is the development of net book computers. Net books are smaller and more portable than standard laptops, while still being capable of performing most functions

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  • By: Jessica R.
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  • Title: The History of Computers
  • Author: Jessica Rodriguez
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  • Published: almost 4 years ago

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