The Four Generations Of Computers

The History Of Computers!

1st Generation

The First Generation of computers spanned from 1951 to 1958. These used vacuum tubes.

In these computers the calculators contained 18000 and they used 150 kilowatt of power.

First generation computers where giant and filled a whole room.

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2nd Generation

The second generation spanned from 1959 to 1964. They used Transistors which where smaller faster and more reliable for less power. Computers where getting faster and could do one thing in a nanosecond.

3rd Generation

the third generation was from 1965 to 1970. On these computers there was better real time operating systems like Microsoft.

4th Generation

the fourth generation is from 1971 to the present. These rellie heaverly on the invention of the microchip. On them you can multitask easlie and quickly.
BBC Micro: Fourth Generation Computers - The Four Generations of Computers (4/4)