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Lesson 7:   History - part 1   |  part 2

 

Here are the pictures of the computers described in the previous exercise. Try to match the computers with their pictures. Click first on the description and then on the space next to the picuture to insert your answer. To change a wrong answer, click your new answer and then the number of the picture you are correcting.

 

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1. 1623 The computing clock

2. 1820 The Thomas Arithmometer

3. 1835 Babbage's Analytical Engine

4. 1890 Hollerith's Census Analyzer

5. 1938 The Atanasoff Berry Computer

6. 1941 Colossus

7. 1964 The first 'modern' computer

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