History of Computers

By Erik Torres

  • 1St Generation

    Uses vacuum tubes.Were very large,expensive and require a lot of energy.

  • 2nd Generation

    Uses transitors.Begin smaller,faster and cheaper.

  • 3rd Generation

    Very integrated circuit,made computer faster,cheaper and smaller.

  • 4th Generation.

    Uses microporcesors,are smaller,portable,cheaper and we less electricity.

  • 5th Genertion