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en.wikipedia.org/wiki/Computer

A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or .... All the parts for his machine had to be made by hand — this was a major problem for a device with thousands of parts. ... Early digital computers were electromechanical; electric switches drove mechanical relays to perform the  ...

www.computerhope.com/issues/ch000984.htm

Jun 27, 2017 ... The first mechanical computer, created by Charles Babbage in 1822, .... About 44,000 Programma 101 computers were sold, each with a price ...

www.computerhistory.org/timeline/computers

After the war, Herzstark's Curta made history as the smallest all-mechanical, ... Among the lecturers were early computer designers like John von Neumann, ...

www.history.com/topics/inventions/invention-of-the-pc

The earliest electronic computers were not “personal” in any way: They were ... These innovations made it cheaper and easier to manufacture computers than ...

www.livescience.com/20718-computer-history.html

Sep 6, 2017 ... The history of computers starts with industrial and governmental needs, ... 2016: The first reprogrammable quantum computer was created.

www.engineersgarage.com/invention-stories/computer-history

These cost effective and small computers were energy efficient too. But the heat emission from computer made them prone to early damaged. The third ...

www.historylearningsite.co.uk/inventions-and-discoveries-of-the-twentieth-century/the-personal-computer

The microchip also lead to computers being made that were small enough to get into the average sized room in a house. By 1970, one microchip could contain ...

techland.time.com/2011/11/10/who-really-invented-the-computer

Nov 10, 2011 ... If someone up and asked you "who invented the computer," how would you ... while Zuse, around the same time, created something called the “Z1,” ... The problem: Where the Difference Engine's plans were complete, the ...

overtheair.org/blog/2012/04/when-was-the-first-computer-invented

Apr 27, 2012 ... First mechanical computer or automatic computing engine concept. In 1822 ... The Colossus was created to help the British code breakers read ...