The Generations of Computors

The Four Generations of Computers:

  • 1940 – 1956: First Generation – Vacuum Tubes. These early computers used vacuum tubes as circuitry and magnetic drums for memory. ...
  • 1956 – 1963: Second Generation – Transistors. ...
  • 1964 – 1971: Third Generation – Integrated Circuits. ...
  • 1972 – 2010: Fourth Generation – Microprocessors.