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The first concept of a computer dates back to around 500 B.C., when it was known as an Abacus. It was a calculator using beads, created in Babylonia.
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It was a calculator made of wheels and cogs. It worked when the wheel made one revolution, the tens place would increase.
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Charles Babbage spent over 40 years thinking about and engineering the first computer, but never completed it. His idea was an "analytical engine" using over 50,000 moving parts.
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In the 1880s, Herman Hollerith created a calculating machine that used an electrical circuit. And in 1890, the census took 6 weeks, and a full-scale analysis of the data took 2.5 years.
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Vannevar Bush, in the 1920s-1930s, created an analog computer that was capable of solving advanced mathematical formulas.
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From 1939 to 1942, American physicists John V. Atanasoff and Clifford Berry built a computer based on the binary numbering system. It is often credited as the first electronic digital computer.
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The Z3 was used in the design of aircraft and missiles. His computer was destroyed during WW2, but he was able to save part of the model, later creating the Z4 -
One of the earliest electronic digital computer, not revealed until decades later and created by Tommy Flowers in 1943 to decode German military codes.
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A computer made by Howard Aiken in 1944 using 3304 electromechanical relays as on-off switches. Its main use was to make Navy artilery more accurate.
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Created by John W. Mauchly and J. Presper Eckert Jr. at the University of Pennsylvania to help test the calculations of a hydrogen bomb.
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Jack Kilby’s 1958 invention of the integrated circuit led to advances that allowed millions of electronic components to fit on a tiny silicon chip, revolutionizing computer miniaturization.
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In 1971, Marcian Hoff invented the microprocessor, placing a computer’s basic functions on a single chip.
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Steve Jobs and Steve Wozniak’s Apple II, released in 1977, became the first popular personal computer, especially after the VisiCalc spreadsheet in 1979 made it useful for businesses.
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IBM’s 1981 Personal Computer sparked competition and falling prices, and by the 1990s, computers became far more powerful and shrank from desktops to laptops and handheld devices.
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The Internet’s official birthday is January 1, 1983, when networks adopted the TCP/IP protocol, allowing different computers to communicate and creating a global network.
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What I belive is gonna halppenin the future in holograms. There are already progressing on some of them and I belive that that is where we are going in the future.