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1.The place where abacus was invented?
2.it was an ancient memory aid
3.The first mass-produced calculator
4.The first portable computer
5.The first computer programmer
6.The founders of the first computer company
7.The material Napier's bone made of?
1.The place where abacus was invented?
2.it was an ancient memory aid
3.The first mass-produced calculator
4.The first portable computer
5.The first computer programmer
6.The founders of the first computer company
7.The material Napier's bone made of?
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Answer:
1. China
2. Tally stick
3. Arithmometer
4. Osborne 1
5. Ada Lovelace
6. J. Presper Eckert and John Mauchly
7. Wood, Metal and Cardboard
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Answer:
1.CHINA
2.TALLY STICK
3.ARITHMOMETER
4.OSBORNE 1
5.Ada Lovelace
6.J. Presper Eckert and John Mauchly
7.wood,metal,heavy cardboard
Explanation:
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