Computer-related introductions in the 2nd millennium

The 2nd millennium refers to the period from the year 1001 to 2000. During this time, there were numerous significant developments in the field of computing and information technology. Below are some key milestones and introductions related to computers in this era: ### Early Developments (1001-1900) - **Mechanical Calculators**: In the 17th century, inventors like Blaise Pascal and Gottfried Wilhelm Leibniz created early mechanical calculators.