Some generations of computers are:   First generation: (1946–1959) Also known as electromechanical computers, these computers used vacuum tubes and were limited to basic calculations. Second generation: (1956–1963) These computers used transistors instead of vacuum tubes, making them smaller, faster, and more affordable. Third generation: (1965–1971) These computers used integrated circuits (ICs), which are semiconductor materials that contain thousands of miniaturized transistors. Fourth generation: (1971–1980) These computers used Very Large Scale Integrated (VLSI) circuits, also known... Show more

Some generations of computers are:
 

First generation: (1946–1959) Also known as electromechanical computers, these computers used vacuum tubes and were limited to basic calculations.
Second generation: (1956–1963) These computers used transistors instead of vacuum tubes, making them smaller, faster, and more affordable.
Third generation: (1965–1971) These computers used integrated circuits (ICs), which are semiconductor materials that contain thousands of miniaturized transistors.
Fourth generation: (1971–1980) These computers used Very Large Scale Integrated (VLSI) circuits, also known as microprocessors.
Fifth generation: (1982–1994) These computers used massively parallel computing and logic programming, and focused on artificial intelligence (AI) and natural language processing (NLP). 

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