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in the 1930s vannevar brush built the first analog computer I call differential analyzer
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In 1935, IBM selling an electric typewriter (the 601) that also serverd as a calculator based on punch cards
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Some time ahead (1937), in the US, John Atanasoff and George Stibbitz (of the Bell Labs) begin to design digital electromechanical calculators based on relays. Atanasoff's computer was very advanced for the time
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The first computer built by Aiken was the Harvard Mark and (also called IBM ASSC) it was finished just in 1944. This computer had devices to store and operate number that were loaded during a calculation or that were results of previous operations.
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In 1949, the laboratory of Los Alamos, the MANTAC I computer began to be built, which ended in March 1952. This computer had an auxiliary drum of 10.000 words of bits in parallel
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In 1957 EDSAC 2 was operational. It was a computer with 1024 40-bit words, with two orders per word. It was made with valves, and the memory used ferrite cores
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the model of the ibm 360 computer appears ibm had built a version with transistors of 709,called 7090, and later 7094
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in 1971,intel manufactured the 4-bit microprocessor 4004, the first computer on a single chip
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in 1975, the first personal computer, the Altair 8800, appears in the popular electronics magazine, explaining how to build it Also in that year, IBM indroduces the first laser printer
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The IBM-PC open architecture computer was launched in 1981, and a year later the first "clone" of this computer was produced
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in 1990, the NeXTstation workstation computer went on sale, for "interpersonal" computing, as Steve Jobs describe it
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in 1995, Be Inc. launched the BeBox computer, a dual powerPc 603 processor running at 66 MHz, and subsequently at 133 MHz With the Beos Operating System
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Blackberry Rim 850, launches the first beeper model
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Microsoft presses the surface pro 4 along with
surface book first notebook made by microsoft
