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History and health issues


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History and Computers...Health Issues on using Computers.

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History and health issues

  1. 1. History of computers Br. Jeffrey Pioquinto, SJ Ateneo de Davao University
  2. 2. history Looking at our past so as we can better understand today and plan well for the future.
  3. 3. Those who cannot remember the past are condemned to repeat it. GEORGE SANTAYANA
  4. 4. Technology is: anything that wasn’t around when you were born. ALAN KAY
  5. 5. operate the machine Consider these planes (an ancient tool): their designers sought fitness for use, ease of use, good control, long-lasting materials, a good feel in the hand, efficiency of operation, precise adjustment. In use over time, these tools come to be loved by their owners.
  6. 6. pre-computer Most of the qualities we seek in a machine have been valued through the ages. • useful • usable • desirable • affordable for the right people • appropriately complex • appropriately styled • appropriately adaptable, extensible, malleable • overall, having “good fit” with people, context, activity, result
  7. 7. startcomputer history? where would you
  8. 8. characteristic statement of the time The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes
  9. 9. mechanical1650 1940 Pascaline – first mechanical computing machines
  10. 10. electronic1940 1960 Vacuum tubes invented = transition to electronics
  11. 11. electronic1940 1960 ENIAC (first electronic computer) – 1946
  12. 12. electronic1940 1960 1948 – transistor invented (replaced vaccuum tubes)
  13. 13. mini1960 1975 Integrated circuits are born equivalent of millions of transistors
  14. 14. the mac taps into pent-up desire for ease and pleasure of use Then, during the 1984 Superbowl, you see the first commercial for the Macintosh (directed by Ridley Scott of Blade Runner fame). A crowd of solemn men is gathered in a gloomy auditorium, listening to a ranting bureaucrat on a huge screen. Think of a world full of command-line interfaces… An athletic woman in colorful clothing runs into the auditorium, carrying a huge hammer… …which she throws into the screen, smashing the image and voice of the status quo. hello.
  15. 15. network199 present
  16. 16. Ergonomic tips in using computers Ergonomics is the science of designing the job, equipment, and workplace to fit the worker. Proper ergonomic design is necessary to prevent repetitive strain injuries, which can develop over time and can lead to long-term disability
  17. 17. An ounce of Prevention is worth a pound of cure !