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Abacus
The Abacus was the very first calculator made out of wood.

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Slide Rule
The slide rule was a ruler with a slider on it to make equations much easier

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Jacquard loom
The jacquard loom was a machine that could print complex patterns into metal cards.

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Charles Babbage
Charles Babbage was the first person to create an actual computer. He was a mathematician .

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1st generation computer
1st generation computers used vacuum tubes to protect circuits.

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Grace Hopper programmed UNIVAC and also won man of the year.

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First computer bug
There was a moth stuck in a relay switch. Grace Hopper called it debugging.

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First Transistor
The First Transistor won the Nobel prize.

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UNIVAC
UNIVAC was the first electronically ran computer.

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2nd generation computers
2nd generation computers used transistors.

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Operating systems
Operating systems give instructions everytime the computer is opened.

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3rd gen computers
3rd gen computers used integrated circuits

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4th computers
4th computers have microchips

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MITS Altair
MITS Altair had 256 bytes of memory and had MHz intel 8080 chip.

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Apple computers
Apple 2 computers were used a lot in school

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IBM pc
IBM pc was the first wide selling computer

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Computers are in most homes, internet is faster and less expensive

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Great increase in storage and memory. There are wireless technology and better internet.