1. Modern Communication

5. Charles Babbage

6. Babbage Engine - 1830

9. Cam wheel

11. Organ cam

13. Basile Bouchon Son of an organ maker, he realized the perforated paper pattern to tell the organist where to place the pegs could be used as a controller on a loom Son of an organ maker, he realized the perforated paper pattern to tell the organist where to place the pegs could be used as a controller on a loom In 1725 built a loom using a loop of perforated paper to control the thread lifters on a loom In 1725 built a loom using a loop of perforated paper to control the thread lifters on a loom

14. Bouchon’s loom

15. Jean-Baptiste Falcon In 1728 Falcon improved on Bouchon’s idea by substituting cards for the paper roll. In 1728 Falcon improved on Bouchon’s idea by substituting cards for the paper roll.

16. Jaques de Vaucanson In 1741 improved the system by automating it In 1741 improved the system by automating it Used a perforated cylinder, then placed a perforated paper roll around it Used a perforated cylinder, then placed a perforated paper roll around it Added a ratchet system to advance the cylinder Added a ratchet system to advance the cylinder

17. Joseph Jacquard In 1800 perfected the system using cards like Falcon and Vaucanson’s ratchet system Created the Jaquard loom Jaquard gets all the credit for everyone else’s previous work

18. Jacquard Loom

20. Herman Hollerith

21. Hollerith Tabulator

23. Card punch

24. Hollerith punch card – 1890 Census

35. German Z3 - 1941

36. Konrad Zuse

37. Zuse tube

38. Binary 00 11 210 311 4100 5101 6110 7111 81000 91001

39. British Colossus - 1944

40. Eniac - 1946

41. Vacuum tube

42. The Transistor

43. Kilby’s integrated circuit - 1958

44. Modern integrated circuit

47. Altair personal computer -1975

48. Bill Gates and Paul Allen - 1975

49. Steve Wozniak and Steve Jobs - 1976

50. Apple I - 1976

51. Apple II - 1977

52. Dan Bricklin/Bob Frankston – Visicalc 1978

53. Tim Patterson and QDOS - 1980 Quick and Dirty Operating System

54. Ampex Signature V

55. Apex video recorder

56. Carl Auer Freiherr von Welsbach

57. Georgia Cayvan

58. Gordon Gould

61. DVR

63. Early cell phone

64. Sony Walkman CD - 1984

65. iPod - 2001

66. iPhone - 2007

67. The Internet Invented by the Advanced Research Projects Agency (ARPA) Invented by the Advanced Research Projects Agency (ARPA) Required three changes in computers: Required three changes in computers: Going from analog to digital Going from analog to digital Connecting computers through phone lines Connecting computers through phone lines Packet switching Packet switching

68. Packet Switching Divide any message into chunks of data, or packets Divide any message into chunks of data, or packets Each packet is a small part of the message Each packet is a small part of the message Each packet has a final destination address Each packet has a final destination address The packets are sent through the computer network over any and all pathways The packets are sent through the computer network over any and all pathways The packets are reassembled at the destination address The packets are reassembled at the destination address

69. Protocols Codes that allow computers to talk to each other regardless of manufacturer or operating system

71. Tim Berners-Lee

72. Examples of HTML codes = end of paragraph = end of paragraph to put in an email address to put in an email address Making a list Making a list open list open list item one item one item two item two Close list Close list text to put text in boldface text to put text in boldface

73. Marc Andreessen and Mosaic