<ul><li>The concept of mechanical computation dates back to ancient civilizations, with the development of the abacus by the Sumerians in 2300 BCE.</li><li>During the 17th century, mechanical machines such as the Pascaline and the Step Reckoner were invented, paving the way for modern computers.</li><li>The Pascaline, invented by Blaise Pascal in 1642, was capable of adding and subtracting numbers.</li><li>The Step Reckoner, invented by Gottfried Wilhelm Leibniz in 1673, could perform addition, subtraction, multiplication, and division.</li></ul>

The Invention of the Computer

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