Generation of Computers

The period of first generation: 1946-1959. Vacuum tube based.

The period of second generation: 1959-1965. Transistor based.


The period of third generation: 1965-1971. Integrated Circuit based.


The period of fourth generation: 1971-1980. VLSI microprocessor based.


The period of fifth generation: 1980-onward. ULSI microprocessor based




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