if

• 300 BC


  Summerian Writing Sytem
• 2900 BC


  Hieroglyphic Writing
• 1300 BC


  Tortoise shell

  and oracle bone
• 500 BC


  Papyrus Roll
• 220 BC


  Chinese Small Seal Writing
• 100 AD


  Parchment Codex
• 105 AD


  Woodblock

  printing and

  paper
• 1455 AD


  Printing process

  using

  movable

  metal type
• 1755


  Samuel Johnson's Dictionary
• 1802


  The library of Congress
• 1824


  Published the research on persistence of vision
• 1830


  First viable design for a digital computer
• 1861


  Motion pictures were projected onto a screen
• 1876


  Dewey Decimal
• 1877


  High speed photography
• 1899


  First magnetic recording were released
• 1902


  Special effects in motion picture were used
• 1906


  Lee DeForest invents electronic amplifying tube(Triode)
• 1923


  Television camera tube
• 1926


  First practical sound movie
• 1939


  Regularly scheduled television broadcasting began in the US
• 1940s


  Beginning of information science as a discipline
• 1945


  Vannevar Bush foresaw the invention of hypertext
• 1946


  ENIAC computer was developed
• 1958


  First integrated circuit
• 1960s


  Library Congress developed LC MARC (machine readable code)
• 1969


  UNIX operating system was developed, which could handle multitasking
• 1972


  Optical laserdisc was developed by Philips and MCA
• 1974


  MCA and Philips agreed on a standard videodisc encoding format
• 1975


  Altair Microcomputer Kit was released:
• 1984


  Apple Macintosh computer was introduced
• Mid 1980s


  Artificial intelligence was separated from information science
• 1987


  Hypercard was developed by Bill Atkinson recipe box metaphor
• 1991


  Four hundred fifty complete works of literature on one CD ROM was released
• January 1997


  RSA (encryption and network security software) internet security code cracked for a 48-bit number