The 'difference engine' was

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Civil Service Exam: Reading Comprehension Practice Test 9 — practice the complete quiz, review flashcards, or try a random question.

Directions: The passage below is followed by several questions. Choose the best answer from the choices given. Women have made significant contributions to patent literature in fields as diverse as domestic technology and biomedicine. A woman was involved in the design of the first computer: Lady Ada Lovelace worked with Charles Babbage to build the 'difference engine,' a device that could add and subtract. More recently, Gertrude Elion won the 1988 Nobel Prize in Medicine for her invention of a leukemia treatment based on immunosuppressants. She holds numerous medical patents. In addition,... Show more

The 'difference engine' was