Across
- 7. called for the invention of John Napier
- 8. co-inventor of EDVAC
- 9. acronym of the invention by J. Presper Eckert and his partner
- 10. used in the second generation of computers
- 11. one of the functions of Arithemetic Machine
- 16. the better version of Charles' Babbage difference engine
- 18. acronym for the first general-purpose digital computer
- 19. invented by Hollerith
- 20. inventor of arithmetic machine (1640AD)
Down
- 1. inventor of first practical typewriter
- 2. one of the inventors of first digital computer
- 3. used in the third generation of computers for
- 4. father of modern computers
- 5. inventor of step reckoner
- 6. father of computer
- 12. inventor of mechanical calculator
- 13. acronym of Hollerith's company in 1900s
- 14. the Sholes keyboard
- 15. uses a lot of power and is used in the first gen of computers
- 17. invented by Babylonians/Chinese in 1500AD