Advantages And Disadvantages of Third Generation Computer

Third Generation Computer
An IBM 360 An IBM System/360 in use at Volkswagen. German Federal Archives

The period of the third generation was from 1965-1971. The computers of the third generation used Integrated Circuits (ICs) in place of transistors. A single IC has many transistors, resistors, and capacitors along with the associated circuitry. The IC was invented by Jack Kilby.

An integrated circuit (IC), sometimes called a chip or microchip, is a semiconductor wafer on which thousands or millions of tiny resistors, capacitors, and transistors are fabricated. An IC can function as an amplifier, oscillator, timer, counter, computer memory, or microprocessor.

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Third Generation (1964-1971)


  1. Smaller in size as compared to previous generations.
  2. More reliable.
  3. Used less energy.
  4. Produced less heat as compared to the previous two generations of computers.
  5. Better speed and could calculate data in nanoseconds.
  6. Used fan for head discharge to prevent damage.
  7. Maintenance cost was low because hardware failure is rare.
  8. Totally general purpose.
  9. Could be used for high-level language.
  10. High storage capacity than the previous generation’s computer.
  11. Versatile to an extent.
  12. Less expensive.
  13. More accurate than previous.
  14. Used mouse and keyboard for input.


  1. Air conditioning was required.
  2. The highly sophisticated technology required for the manufacturing of IC chips.


  1. This post reminds me of my first year in the polytechnic. A fun-year mixed with beautiful computer history.

    It is amazing when you look at how the computer has improved over the years.

    Thanks for sharing part of the history of what makes the world I live in exciting.


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