Binary for Kids: How Computers Count With Only 1s and 0s

The story of binary for kids: how Gottfried Wilhelm Leibniz wrote out a way of counting with only 0 and 1 in 1679, long before computers.
• How to count one, two, three and four in binary
• How Leibniz published his work in Paris in 1703
• Why switches that are only off or on made binary perfect for computers
• Quiz questions to answer along the way
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