FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -An abacus is a calculation tool used by sliding counters along rods or grooves, used to perform mathematical functions. In addition to calculating the basic functions of addition, subtraction, multiplication and division, the abacus can calculate roots up to the cubic degree.

Detailed explanation-2: -It is an instrument that is used to calculate or count by using sliding counters and a rod. It was indeed the world’s first calculator. It was first used in Europe, China, and Russia. The old version of the Abacus was a shallow tray that consisted of sand where numbers could be erased easily when needed.

Detailed explanation-3: -The abacus is suitable for all four basic arithmetic operations. With the calculating board, all four basic arithmetic operations-addition, subtraction, multiplication, and division-can be performed. Multiplication is a repeated addition; division, a successive subtraction.

Detailed explanation-4: -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.