Computer Generations

Computer Generations
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  • Before Computers
  • Before computers, things like email, texting, and Google didn't exist.
  • People could communicate by phone, telegram, or by letter.
  • 1st Generation (1940-1955)
  • These computers were enormous-taller than a person! And the vacuum tubes took up a lot of space.
  • Vacuum tubes powered these computers. Magnetic drums stored memory and data.
  • 2nd generation (1956-1963
  • In 1956, the transistor was invented, and vacuum tubes were no longer used. These computers were smaller than Gen. 1, but still large.
  • 3rd Generation (1964-1970)
  • The 3rd generation of computers began when integrated circuits were invented. They were a bit larger than a common PC.
  • 4th generation (1971-present)
  • The 4th generation is the generation we know best. It includes PCs, laptops, tablets, smartphones, etc.
  • While the 70s seem ages away, that's when the microprocessor was invented and how technology as we know it began.
  • 5th Generation (the future)
  • Who knows what the future may hold? But it may involve holograms, artificial intelligence, and more advanced VR.
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