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In 1937 the "Model k" was created then in 1939 the AP 200A that was a system to test recording.

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The Z3, an early computer built by Konrad Zuse, performs floating point binary arithmetic, and has a 22-bit word length. The Z3 was used for aerodynamic calculations but was destroyed in a bombing raid on Berlin in late 1943. Also Bult in World War 2,computer pioneer Alan Turing and Harold Keen made the "Bomba."

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one of the earliest magnetic storage devices and a technology and commercially produced computers, the company´s first customer was the US Navy. intended for high-speed computing and stored 1 million bits on its magnetic drum.

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IBM´s 7000 series of mainframe computers are the company´s first to use transistors. The best version was the Model 7030. Nine of the computers, which featured dozens of advanced design innovations, were sold, mainly to national laboratories and major scientific users. A special version, known as HARVEST, was developed for the US National Security Agency . Later IBM System/360--the most successful computer family in IBM history.

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One of the earliest personal computers, the Kenbak-1 is advertised for $750 in Scientific American magazine. the Kenbak-1 relied on switches for input and lights for output from its 256-byte memory. In 1973, after selling only 40 machines, Kenbak Corporation shut down.

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Commodore releases the VIC-20 home computer as the successor to the Commodore PET personal computer. A less expensive alternative to the PET, the VIC-20 was highly successful, becoming the first computer to sell more than a million units.

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Reaching 32 gigaflops , Intel’s Touchstone Delta has 512 processors operating independently,Caltech researchers used this supercomputer prototype for projects such as real-time processing of satellite images, and for simulating molecular models in AIDS research. It would serve as the model for several other significant multi-processor systems that would be among the fastest in the world.

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Japan's SoftBank comes out with the first camera phone. photos could be shared wirelessly. The J-Phone line would quickly expand, releasing a flip-phone version just a month later.

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Since 1984, Apple has placed emphasis on high-resolution graphics and display technologies. In 2012, Apple introduced the Retina display for the MacBook Pro laptop and iPad tablet. With a screen resolution of up to 400 pixels-per-inch (PPI), Retina displays approached the limit of pixel visibility to the human eye. The display also used In Plane Switching (IPS) technology, which allowed for a wider viewing angle and improved color accuracy. Now that is the standered for most apple products.