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A long time ago, people used the abacus which is something with columns of pebbles for simple math equations.
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He invented logarithms which allowed people to perform multiplication via addition.
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He invented and built the calculating clock however it didn't gain much publicity as he died in the plague
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Napier's invention later led to this which was later used in 1960's by the NASA's engineers.
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At age 19, Blaise Pascal made this item for his father
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Before computers and machines, people did all the work machines do today themselves. However people easily got bored leading to errors and then they decided to invent some thing to make work easier
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He invented a power loom that could weave according to the pattern of the wooden punched cards
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He proposed a steam powered calculator called the Difference Engine however it wasn't completed as it was too expensive for the British government. He then worked on the Analytic Engine which had a more general use.
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He invented a device called Hollerith's Desk which used punched cards, card readers and wall of dial indicators. He converted punch cards from read only status to read/write status so people could use it to fill out census. In fact, he also won the prize the USA census bureau offered the inventor who could help them
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It was the first computer built. It was built by Harvard and IBM in their partnership. It wasn't completely electronic because it had switches, relays, clutches and rotating shafts. It was very large and used for about fifteen years
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They had to rely completely on the hardware as there wasn't any operating system at the time. The machine had a console displaying lights, toggle switches and input device.
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it uses small magnetic rings of ceramic to store data
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He proposed a network for computers to communicate with so that they could still communicate even if the telephone lines were destroyed.
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It was the Compatible Time-Sharing System which was the first OS and developed at MIT.
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Intel was formed by two people, Robert Noyce and Gordon Moore
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A home computer that was sold at the price of $600 and way smaller so people could use it more conveniently. It was sold in DIY kits so people actually had to build it themselves.
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Apple's computer OS also known as Macintosh was released
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Microsoft's Windows 3.0 was finally released few years after Apple
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A new concept introduced by Tim Burner-Lee so the internet wasn't just a method to send files but it is a web of information that people can access
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The OS for Apple's iPhones, iPads and iPod touch came out.
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Android's OS is completed and people can use it
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Core 2 Quad, i5 Mobile, i5 Desktop, i3 Desktop, i3 Mobile...
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Pre computer -> Early computers
http://www.computersciencelab.com/ComputerHistory/History.htm
Computers & internet
http://www.history.com/topics/inventions/invention-of-the-internet
OS evolutions
http://www.studytonight.com/operating-system/evolution-of-os
Data storage evolution
http://www.zetta.net/history-of-computer-storage/
Processor evolution
http://www.computerhope.com/history/processor.htm
