Question

1. Name the first known calculating device used by baby loniya​

Answer 1

Answer:

abacus

The earliest known calculating device is probably the abacus. It dates back at least to 1100 bce... The abacus, generally in the form of a large calculating board, was in universal use in Europe in the Middle Ages, as well as in the Arab world and in Asia.

Answer 2

Explanation:

abacuses

Abacus, plural abaci or abacuses, calculating device, probably of Babylonian origin, that was long important in commerce. It is the ancestor of the modern calculating machine and computer.