Computer history

 

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 invention

                                                      

     

 In 1642 Blaise Pascal (a famous French mathematician) invented an adding machine based on mechanical gears which numbers were represented by the cogs on the wheels.

                                                                                                                           
  Englishman, 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)