Question

write a short note on the device-abacus​

Answer 1

Answer:

An Abacus is a manual aid to calculating that consist of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame. The Abacus itself doesn't calculate; its simply a device for helping a human being to calculate by remembering what has been counted.Abacus is made up of the wooden frame in which rod where fitted across with rounds beads sliding on the rod.

Explanation:

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