Answer:Computers truly became a revolutionized invention during the last part of the 20th century. They have already helped win wars, solve seemingly insoluble problems, saved lives and launched us into space. Their history spans more than 2500 years to the creation of the abacus. This resource provides a brief history of computers.The Pascaline
In 1642, an eighteen year old French scientist, writer and philosopher, Blaise Pascal (1623–1662), invented the very first mechanical calculator. It was named the Pascaline.
It had been created as an aid for Pascal’s father, who was a tax collector. Pascal built fifty of these gear driven calculating machines and couldn’t manage to sell many due to their expensive cost.
Step-by-step explanation: