A. Difference Engine and Abacus
B. Analytical Engine and Slide Rule
C. Abacus and Slide Rule
D. Analytical and Difference Engines
Correct Answer:
Option D – Analytical and Difference Engines
A. Difference Engine and Abacus
B. Analytical Engine and Slide Rule
C. Abacus and Slide Rule
D. Analytical and Difference Engines
Correct Answer:
Option D – Analytical and Difference Engines
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