Question

write about Abacus and difference engine​

Answer 1

AnswEr :-

✦ Abacus

↠ Abacus is a calculating tool which was used centuries before the adoption of the Arabic numeral system.

↠ It is also called a counting frame.

↠ It is made up of Wood, Metal, Rock or Bambusoideae.

↠ Its components are – Beads, Wire and a Frame.

↠ The types of calculation supported are – Multiplication, Addition, Subtraction, Division, Square root, Cube root.

↠ The exact origin of the abacus is still unknown.

✦ Difference Engine​

↠ A Difference engine​ is a mechanical calculator which tabulates polynomial functions.

↠ It was first created by Charles Babbage.

↠ It was partially built during the 1820s and '30s.

↠ It operated on discrete digits and the digits were decimal (0 - 9).

↠ It was able to mechanise not just a single calculation but a whole series of calculations.

↠ It dwarfed any calculating device then in existence.