Computer History

Several successive inventions have been necessary before computer become possible... Inventions Abacus. Invented by ancient chinese. The clock. Bolter credits the invention of the weight-driven clock as the key invention of Europe in the Middle ages, in particular the verge escapement that provides us with the tick and tock of a mechanical clock. This led immediately to mechanical automata beginning in the thirteenth century. Pascaline, first calculator by Blaise Pascal.