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The Chinese abacus
Abacus was invented by the Chinesethe abacus was also known as the first computer
The Chinese abacus was developed about 5000 years ago. It was built out of wood and beads. It could be held and carried around easily. The abacus was so successful that its use spread form China to many other countries. The abacus does not actually do the computing, as today's calculators do. It helps people keep track of numbers as they do the computing.
The abacus was originated in China in 3000 B.C.(:
Asiana Abacus was created in 1991.