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What is the earliest computing device ever invented

User Xushao
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Answer:

abacus

Step-by-step explanation:

User Dorian Maliszewski
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Answer:

abacus

Step-by-step explanation:

Focus On. There is a long history detailing the invention of computing and calculating machines. The earliest recorded calculating device is the abacus. Used as a simple computing device for performing arithmetic, the abacus most likely appeared first in Babylonia (now Iraq) over 5000 years ago.

User Shridharama
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