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Computer generation

S.NoGeneration & Description
1First Generation
The period of first generation: 1946-1959. Vacuum tube based.
2Second Generation
The period of second generation: 1959-1965. Transistor based.
3Third Generation
The period of third generation: 1965-1971. Integrated Circuit based.
4Fourth Generation
The period of fourth generation: 1971-1980. VLSI microprocessor based.
5Fifth Generation
The period of fifth generation: 1980-onwards. ULSI microprocessor based.
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