Question

What is Abacus and explain its structure?​

Answer 1

Answer:

The abacus is typically constructed of various types of hardwoods and comes in varying sizes. The frame of the abacus has a series of vertical rods on which a number of wooden beads are allowed to slide freely. A horizontal beam separates the frame into two sections, known as the upper deck and the lower deck.

Explanation:

Answer 2

Answer:

Abacus is a simple tool or a hardware used for performing rapid arithmetic calculations. Calculations based on abacus was invented at ancient times and now widely used a brain development programme. It consists of a rectangular frame holding a number of vertically arranged rods, on which beads slides up and down.

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