Generations of Computer
There
are five generations of the computer, which can be classified as below:
1.
First Generation (1946 - 1959): During the first
generation, computers were based on electronic valves (Vacuum Tubes). Some
popular computers of first-generation are ENIAC, EDVAC, UNIVAC, etc.
2.
Second Generation (1959 - 1965): During the
second generation, computers were based on Transistors. Some popular computers
of second-generation are IBM 1400, IBM 1620, IBM 7000 series, etc.
3.
Third Generation (1965 - 1971): During the third
generation, computers were based on Integrated Circuits (ICs). Some
popular computers of the third generation are IBM 360, IBM 370, PDP, etc.
4.
Fourth Generation (1971 - 1980): During the
fourth generation, computers were based on very large scale integrated
(VLSI) circuits Micro Chip. Some popular computers of
fourth-generation are STAR 1000, CRAY-1, CRAY-X-MP, DEC 10, etc.
Fifth Generation (1980 - Present): The fifth generation is still ongoing. The computers are based on multiple technologies, such as ultra-large-scale integration (ULSI), artificial intelligence (AI), and parallel processing hardware. The fifth generation of computers includes Desktop, Laptop, NoteBook, etc.
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