COMPUTER HISTORY AND EVOLUTION
DEVELOPMENT OF COMPUTERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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5000 BCE
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3000 BCE
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1000 BCE
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500 BCE
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Detailed explanation-1: -Where was the Abacus invented? The type of Abacus most commonly used today was invented in China around the 2nd century B.C. However, Abacus-like devices are first attested from ancient Mesopotamia around 2700 B.C.!
Detailed explanation-2: -Mesopotamia. The Sumerian abacus appeared between 2700 and 2300 BC.
Detailed explanation-3: -The abacus, called Suan-Pan in Chinese, as it appears today, was first chronicled circa 1200 C.E. in China. The device was made of wood with metal re-inforcements. On each rod, the classic Chinese abacus has 2 beads on the upper deck and 5 on the lower deck; such an abacus is also referred to as a 2/5 abacus.
Detailed explanation-4: -Ancient Mesopotamians of Sumeria invented Abacus between and BC.