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jan 1, 2400 BC - 2400 - Invention of abacus

Description:

'Twas the first "computer",
This was the first time that people had used machines to help them with mental work,
Laid foundations for first analog computers

Added to timeline:

History of Computers

ByFin
31 Jan 2020
2
0
664

Date:

jan 1, 2400 BC
Now
~ 4428 years ago
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