Pre Mechanical Period
1. Pre mechanical period 2. Hindus in india 3. Difference engine 4. Rags modern day papermaking 5. Johann Gutenburg 6. Sumerians 7. Joseph marie jacquard 8. Y or circle 9. Voltaic battery 10. Computers 11. Cuneiform 12. The first information explosion—the first special purpose “computers”—Babbage engine—punch card 13. Abacus 14. Symbols 15. Joseph marie jacquard 16. Egyptians 17. Slide rule William Oughtred 18. Charles babbage 19. Phoenicians 20. Movable type printing process 21. Coiled rope 22. Morse code 23. Stylus 24. Binary logic 25. Charles babbage 26. Loltus blossom 27. Scrolls 28. Slide rule—leibniz’s machine—pascaline 29. Movable type printing process 30. Pre mechanical period 31. Samuel morse 32. Telephone and radio 33. Books 34. Radio 35. Mark 1 automatic sequence controlled calculator 36. Egyptians 37. Receives data- processes the data it receives- stores the data in memory- outputs information in device 38. J. prosper Eckert, john w. mauchly 39. Electronic vacuum tubes 40. Information cycle process 41. Alexander graham bell 42. Generates large amounts of heat, were bulky, recquired power supply units, too slow for many potential applications 43. Mark 1 44. Gauglin Marconi 45. Transistor 2nd generation computers 46. John von Neumann 47. Radio 48. Speed, self checking, self operating, 49. Input- process- output- storage- communication 50. 3rd generation computers 51. Howard Aiken IBM 52. Telephone radio 53. Cannot generate info on its own, cannot correct wrong instructions, 54. UNIVAC inuversal 55. Logic operations 56. ENIAC 57. Logic arithmetic 58. Machine, manipulate data, has memory, electronic, automatic, logic functions 59. It can perform those functions quickly, it can produce accurate and reliable answers, it