Discovery of computers (Phase 1)

 Some important inventions led to discovery of computers are:-

2400 BC:-

The abacus- the first known calculator is invented in Babylonia.

500-300 BC:-Ancient Indian writer Pingala describes the first binary (two digit) numbering system.

1492 AD:- Italian Leonardo Davinci designs the first mechanical calculator and a humanoid robot.

1614 AD:-Scotsman John Napier invents a system of movable rods based on logarithms which could do sums.

1642 AD:-Frenchman Blaise Pascal invents the “PASCALINE”, the first serious calculating machine to help his father, a judge in a tax court.

1679 AD:German Gottfried Leibniz perfects the binary system.

1801 AD:-

Joseph Marie jacquard invents an automatic sewing machine controlled by punched cards. During its first demonstration in Lyon, France, the machine is destroyed an angry mob.

1834 AD:-

Charles Babbage designs the Analytical engine – the world’s first computer, with punch card input devices, an arithmetic processor and a memory to store numbers. He runs out of money before it is ever built.