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Early Computers Notes

  • Ada is known as the first programmer - she ran away from her husband and kids in order to be with Babbage
  • Babbage threw very lavish parties to generate money to fund his computing devices - he is the father of computers
  • Ada smoked a lot of opium (drugs)
  • When Babbage died, Ada went into a deep depression with a lot of opium.
  • Later, Ada died of an overdose of opiates
  • The Babbage computing device utilized punch cards
  • See Flinstone reference - he used a punch card to defeat a dinosaur
  • In addition, you can sign into work with a punch card so they are still used today, hence Babbage created this machine ahead of his time
  • Ada is known as the mother of programming
  • Herman Hollerith is known as the father of punch cards because he perfected the technology. The US government came to him to use his machine to tabulate
  • The 1880 census took 8 years to tabulate - it was not particularly accurate because the rate of growth was very high so it could not be accurately *calculated
  • The 1900 census took one year because of his machine - it was also more accurate.
  • IBM is still a powerhouse and they are still around. In the 60s they all wore black suits, white shirts, and a black tie.
  • Microsoft and Apple thought that IBM was very boring. However, IBM made many miracles and it was the company that everyone looked at for the next big technology.
  • Computers are in generations. We are in the 4th or 5th gen.
  • The ABC computer is considered the second generation of computer
  • Those computers ran with tubes and they eventually burned out.
  • The ABC computer worked on punch cards and that is also how it produced answers. All the computer could do was calculate numbers
  • You would type out the punch cards in a machine and then put them into another computer to have them read
  • Time of war brings out money for various technologies
  • WWII developed a lot of satellite technology
  • Grace hopper was a luitenient
  • Bugs are called bugs because the computer (Mark I) all of a sudden stopped working. She then discovered a moth inside of the computer which was making it not work correctly.
  • They did not have any calculators back then.
  • The ENIAC costed so much because the tubes burned out once every 15 minutes
  • You would run your program with punch cards
  • The ENIAC did all the computations for the hydrogen bomb
  • The Mark II was the one she found the moth in, not the Mark I
  • The UNIVAC predicted the results for the presidential election using math
  • The Integrated Circuitry marked the third generation computer
  • We have integrated circuitry today
  • This computer was the turning point because it used transistors which were able to be smaller and smaller and more and more compact. It also did not use vacuum tubes.
  • IBM was one of the first computer companies to market and sell computers for the business world.
  • All data in the US is stored on computers
  • The altair started the revolution because everyone wanted one
  • Know who founded Apple and Microsoft
  • The people who founded Apple despised each other
  • Bill gates was a programmer and Steve Jobs was a sales guy
  • Steve Jobs was also an idea guy and Steve Wasneack was the programmer so they needed each other
  • Xerox was another big company and they invented the mouse. Steve jobs found out about it and flew everyone over.
  • Steve Jobs went and took the mouse and told Xerox that they were not going to take the mouse, just look at it
  • The Apple II was very expensive and the programmers spend 72 hours at a time programming and did not sleep, bathe, ate junk food, etc.
  • DOS stands for disk operating system

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