# data[].attributes.body
1871.

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$500,000

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ENIAC performed how many additions a second? Although a problem that took two seconds to solve required two day to set up.

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ENIAC performed how many additions a second? Although a problem that took two seconds to solve required two day to set up.

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5,000 additions.

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What was the only part of the PC IBM copyrighted?

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What was the only part of the PC IBM copyrighted?

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The BIOS.

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What marketing decision did IBM made when creating its first personal computer?

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What marketing decision did IBM made when creating its first personal computer?

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Unleashing microcomputers to the world.

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The Apple was introduced in 1976, it was an immediate hit partially because a program called VisiCalc, which did the math of an electronic ledger sheet.

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The Apple was introduced in 1976, it was an immediate hit partially because a program called VisiCalc, which did the math of an electronic ledger sheet.

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Apple continued to keep its design proprietary, IBM’s openness supported the creation of IBM clones that could use the same software and hardware add-ons the PC used.

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Apple continued to keep its design proprietary, IBM’s openness supported the creation of IBM clones that could use the same software and hardware add-ons the PC used.

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IBM also made the overall design of the PC freely available to all competitors.

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IBM also made the overall design of the PC freely available to all competitors.

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The Apple, along with computers from Radio Shack began appearing in businesses, sometimes brought in behind the backs of the people in white lab coats who ran the “real” mainframe computers.

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The Apple, along with computers from Radio Shack began appearing in businesses, sometimes brought in behind the backs of the people in white lab coats who ran the “real” mainframe computers.

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Two hackers, Stephen Jobs and Steve Wozniak. They created a personal computer that came complete with display, built-in keyboard, and disk storage.

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Two hackers, Stephen Jobs and Steve Wozniak. They created a personal computer that came complete with display, built-in keyboard, and disk storage.

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MITS received orders for 4,000 Altair systems within a few weeks of the first personal computer.

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MITS received orders for 4,000 Altair systems within a few weeks of the first personal computer.

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Not until 1975, something resembling a personal computer appeared.

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Not until 1975, something resembling a personal computer appeared.

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The first computer was cheap enough for individuals to afford was the Altair 8800. It was created by a small New Mexico firm, MITS.

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The first computer was cheap enough for individuals to afford was the Altair 8800. It was created by a small New Mexico firm, MITS.

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Businesses and the government bought 120 of the first mass-produced computers in the first year.

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Businesses and the government bought 120 of the first mass-produced computers in the first year.

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In 1954, IBM introduced the 650, the first mass-produced computer.

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In 1954, IBM introduced the 650, the first mass-produced computer.

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Instruments in Texas built the first integrated circuit by combining five separate components.

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Instruments in Texas built the first integrated circuit by combining five separate components.

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It wasn’t until 1954, when instruments in Texas created a way to produce silicon transistors commercially, that the modern computer took off.

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It wasn’t until 1954, when instruments in Texas created a way to produce silicon transistors commercially, that the modern computer took off.

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In 1926, the first semiconductor transistor was invented, but it wasn’t until 1947, when Bell Labs’ William Shockley patented the modern solid-state, reliable transistor, that a new era in computing dawned.

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In 1926, the first semiconductor transistor was invented, but it wasn’t until 1947, when Bell Labs’ William Shockley patented the modern solid-state, reliable transistor, that a new era in computing dawned.

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The war also gave birth to ENIAC (Electronic Numerical Integrator Analyzer and Computer), built between 1943 and 1945 by the U.S. Army to produce missile trajectory tables.

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The war also gave birth to ENIAC (Electronic Numerical Integrator Analyzer and Computer), built between 1943 and 1945 by the U.S. Army to produce missile trajectory tables.

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Vacuum tubes were at the heart of Colossus, a computer created by the British during World War II to break the codes produced by the Germans’ Enigma encrypting machine.

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Vacuum tubes were at the heart of Colossus, a computer created by the British during World War II to break the codes produced by the Germans’ Enigma encrypting machine.

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The ENIAC, built between 1943 and 1945, was the first all-electronic computer.

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The ENIAC, built between 1943 and 1945, was the first all-electronic computer.

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The first breakthrough to the modern computer occurred in 1904 when John Ambrose Fleming created the first commercial diode vacuum tube, something Thomas Edison had discovered and discarded as worthless.

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The first breakthrough to the modern computer occurred in 1904 when John Ambrose Fleming created the first commercial diode vacuum tube, something Thomas Edison had discovered and discarded as worthless.

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Herman Hollerith invented a mechanized system of paper cards with holes in them to tabulate the U.S. Census

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Herman Hollerith invented a mechanized system of paper cards with holes in them to tabulate the U.S. Census

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In 1830, Charles Babbage invented—on paper—the Analytical Engine

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In 1830, Charles Babbage invented—on paper—the Analytical Engine

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Leonardo da Vinci created a mechancial caluculator 

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Leonardo da Vinci created a mechancial caluculator 