MIL

• Richard Paul Wurman


  Created the concept "information anxiety"
• information anxiety


  "ever widening gap between what we understand and what we think we should understand"
• 1898


  first patent for the earliest form of magnetic wire recorder
• Valdemer Poulsen


  invented the first magnetic wire recorder
• information explosion


  rapidly increasing amounts of published and disseminated information and implications of this abundance
• Information overload


  state of having too much of information
• infodemic 


  by world health org (2020)

  • overabundance of information
• Rathore and Farouq (2020)


  asserted the worst side of infodemic which is unabated proliferation of fake news, miracle cures, conspiracy theories, and racist assumptions.
• internet


  avenue for information dissemination
• Kadiri and Odetero (2012)

  citing Wilson (2001)

  identified the two kinds of information overload
• Personal overload


  individual receives so much information associated with tasks that she/he needs to perform but his/her processing tools and mental abilities may be insufficient, so the situation calls for coping strategies
• organizational overload 


  amount of information an organization receives is wat beyond what it can process
• 1928


  Magnetic tape
• Fritz Pfleumer 


  invented the magnetic tape

  German engineer
• 1932


  Magnetic Drum
• G Taushek


  invented the magnetic drum

  Austrian innovator
• 1946

  • Williams Tube
  • first random-access computer memory at the University of Manchester
  • made up of series of electrostatic cathode-ray tubes for digital storage
  • storage of 1024 bits of information was successfully implemented in 1948
• Professor Fredrick C. Williams


  invented the Williams tube
• 1949


  Delay Line Memory
• Delay line memory


  consists of imparting an information pattern into a delay path
• Magnetic core


  1949
• Ferrite core memory


  other term of magnetic core
• magnetic core


  uses small magnetic rings made of ceramic to store information fro polarity to the magnetic field it contains
• 1956


  Hard disk
• Hard disk


  stores and retrieves bits of digital information from a flat magnetic surface
• 1963


  Music tape
• Philips


  introduced the compact audio cassette in 1963
• 1979


  Sony's Walkman
• Sony's walkman


  helped transform the use of audio cassette tapes
• 1966


  Dynamic Random Access Memory (DRAM
• Dynamic Random Access Memory

  • invented by Robert H. Dennard
  • contained one transistor
  • its cells store bits of information as an electrical charge in a circuit
• 1968


  Twistor Memory
• Twistor memory

  • Bell labs
  • developed by wrapping magnetic tape around a wire that conducts electrical current
• 1971


  8" Floppy
• 8" Floppy

  • developed by IBM
  • a floppy disk
• Floppy disk


  a portable device made of magnetic film encased in plastic, made it easier and faster to store data
• 1975


  5.25" Floppy
• 5.25" Floppy

  • developed by Allan Shugart in 1976
  • 110 kb
  • cheaper and faster compared to its predecessor
• 1980


  Compact Disc
• Compact Disc

  • 1960s - James T. Russel : used light to record and replay music
  • 1970 - Russel invented the optical digital television recording and playback television
  • 1975 - Philips representatives visited his lab
  • 1980 - Russel completed the project and presented to sony