Question

Write a short note on the devices-Abacus

Answer 1

Abacus

• Abacus is known to be the first mechanical calculating device.

• Which was used to be performed addition and subtraction easily and speedily.

• Abacus is made up of the wooden frame in which rod where fitted across with rounds beads sliding on the rod.

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Answer 2

Answer:

An abacus is a manual counting device made of beads or disks that may be moved up and down on a string or set of sticks inside of a typically wooden frame. The abacus is just a tool for aiding human calculation by keeping track of counts made; it does not itself perform calculations.

Explanation:

Abundant Beads, Addition and Calculation Utility System. It is a frame for counting. It serves as a calculator.

• Abacus is known to be the first mechanical calculating device.
• Which was used to be performed addition and subtraction easily and speedily.
• Abacus is made up of the wooden frame in which rod where fitted across with rounds beads sliding on the rod.
• The decimal system is the foundation of the abacus. There are columns of written numerals on each rod. For instance, the first rod represents ones, the second rod represents tens, the third rod represents hundreds, and so on, starting from the right and advancing left.
• Modern abacuses enable users to conduct multiplication and division operations as well as find the squared and cubed roots of certain integers, in addition to fundamental computing operations.
• Nowadays, place values in number systems and multiplication are mostly taught to kids using the abacus instrument. An electronic version of the abacus is now a portable computer. The abacus is solely used as a teaching instrument in the twenty-first century.

hence An abacus is a straightforward tool that you may use to perform manual mathematical computations by swiping counters along rows of wires arranged inside of a frame. A kid's counting toy made of beads is an illustration of an abacus.