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300
BCE: Abacus
A long time ago, people used the abacus which is something with columns of pebbles for simple math equations. -
John Napier
He invented logarithms which allowed people to perform multiplication via addition. -
William Schickard
He invented and built the calculating clock however it didn't gain much publicity as he died in the plague -
The Slide Rule
Napier's invention later led to this which was later used in 1960's by the NASA's engineers. -
Pascaline
At age 19, Blaise Pascal made this item for his father -
Pre Computers
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 -
Joseph Marie Jacquad
He invented a power loom that could weave according to the pattern of the wooden punched cards -
Charles Babbage
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. -
Herman Hollerith
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 -
Mark I
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 -
Before Operating System
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. -
Magnetic Core memory
it uses small magnetic rings of ceramic to store data -
JCR Licklider
He proposed a network for computers to communicate with so that they could still communicate even if the telephone lines were destroyed. -
CTSS
It was the Compatible Time-Sharing System which was the first OS and developed at MIT. -
Intel founded
Intel was formed by two people, Robert Noyce and Gordon Moore -
Apple I
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. -
Intel 8086
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CDs
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Intel 80286
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Apple Macintosh released
Apple's computer OS also known as Macintosh was released -
Windows 3.0 Released
Microsoft's Windows 3.0 was finally released few years after Apple -
World Wide Web
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 -
Pentium Processor
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Zip files
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USB drives
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Core 2 Duo Processors
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iOS comes out
The OS for Apple's iPhones, iPads and iPod touch came out. -
Android OS comes out
Android's OS is completed and people can use it -
Many processors released
Core 2 Quad, i5 Mobile, i5 Desktop, i3 Desktop, i3 Mobile... -
Cloud Backup
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Websites
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
