TOPIC 3

• 3000 BC - Sumerian writing used pictographs to represent words
• 2900 BC - Beginning of Egyptian hieroglyphic writing
• 1300 BC - Tortoise shell and oracle bone writing were used
• 500 BC - Papyrus roll was used
• 220 BC - Chinese small seal writing was developed
• 100AD - Book ( Parchment Codex )
• 105AD - Woodblock printing and paper was invented by China
• 1455 - Johannes Gutenberg invented the printing press using movable metal type
• 1755 - Samuel Johnsons’s dictionary standardized English spelling
• 1802 - The library congress was established and Invention of the Carbon arc lamp
• 1824 - Research on persistence of vision published
• 1830s - First viable design for a digital computer and Augusta Lady Byron writes the world’s first computer program.
• 1837 - Invention of the Telegraph in Great Britain and the United States
• 1861 - Motion pictures were projected onto the screen
• 1876 - Dewey Decimal system was introduced
• 1877 - Edwaerd Muybridge demonstrated high-speed photography
• 1899 - First magnetic recordings were released
• 1902 - Motion picture special effects were used
• 1906 - Lee Deforest invented the electronic amplifying tube
• 1923 - Television camera tube was invented by Zvorkyn
• 1926 - First practical sound movie
• 1939 - Regularly schedule television broadcasting began in the US
• 1940s - Beginnings of information science as discipline
• 1990s - Information became the currency in the business world.
• 1980s - real angst set in. Richard Wurman called it - Information Anxiety.
• Information - preferred medium of exchange.
• Information Managers - served as information officers.
• 1945 - Vannevar Bush foresaw the invention of hypertext.
• 1946 - ENIAC computer was developed.
• 1948 - Birth of field-of-information theory proposed by Claude E. Shannon.
• 1957 - Planar Transistor was developed by Jean Hoerni.
• 1958 - First integrated circuit.
• 1960s - Library of Congress developed LC MARC ( maghine readable code )
• 1969 - UNIX operating system was developed, which could handle multitasking.
• 1971 - Intel introduced the first microprocessor chip.
• 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: first personal computer for the public.
• 1977 - RadioShack introduced the first complete personal computer.
• 1984 - Apple Macintosh computer was introduced.