Question

Explain the major innovation made from the establishment of abacus to present 5th computer generation.

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Answer 1

1. Calculation using fingers
2. Abacus (6th century BC)
3. Sieve of Eratosthenes (3rd century BC)
4. Napier bones
5. slide rule
6. Schikard's calculating clock with gears
7. Pascaline
8. Stepped reckoner by Leibniz
9. Jacquard loom
10. Mechanical computation machines (19th century)
11. Analog computers (first half of 1900-1940)
12. Digital computers (1940-1970)
13. Computers with Microprocessors (1970 onwards)
14. Smartphones (1992 onwards)