Invention of first computer
One of the earliest machines designed to assist people in calculation was the Abacus which is still being used some 5000 years after its inventionEnglishman, Charles Babbage, invented in the 1830's a "Difference Engine" made out of brass and pewter rods ans gears,and also designed a further device which he called an "Analytical Engine". He is also known as "Father of computer".
(Analytical Engine)
(Charles Babbage)


