Question

what are three quantities required of calculating device in order for it to qualify as a modern computer​

Answer 1

Answer:

Mechanical Counting Devices - Abacus, Napier's Bones, Slide Rule. The abacus was one of the first adding machines. The abacus is made out of beads strung by several wires.Mechanical and Electromechanical Calculators. , in mathematics, simple device for performing arithmetic calculations. The type of abacus now best known is represented by a frame with sliding counters.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. Its more familiar form today is derived from the Chinese version pictured below.

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