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| Q. |
In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibition? |
| A. | 1820 |
| B. | 1860 |
| C. | 1855 |
| D. | 1870 |
| E. | None of these |
| Answer» C. 1855 | |
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