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In 1940, Charles Babbage proposed the first general mechanical computer, the Analytical Engine. The Analytical Engine contained an ALU (Arithmetic Logic Unit), basic flow control, punch cards (inspired by the Jacquard Loom), and integrated memory. It is the first general-purpose computer concept.
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Tubs de buit
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A transistor computer, now often called a second generation computer, is a computer which uses discrete transistors instead of vacuum tubes. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky and unreliable.
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Transistors
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The period of third generation was from 1965-1971. The computers of third generation used Integrated Circuits (ICs) in place of transistors. A single IC has many transistors, resistors, and capacitors along with the associated circuitry.The IC was invented by Jack Kilby. This development made computers smaller in size, reliable, and efficient. In this generation remote processing, time-sharing, multiprogramming operating system were used. High-level languages were used during this generation.
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Circuits Integrats
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The period of fourth generation was from 1971-1980. Computers of fourth generation used Very Large Scale Integrated (VLSI) circuits. VLSI circuits having about 5000 transistors and other circuit elements with their associated circuits on a single chip made it possible to have microcomputers of fourth generation.
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Microprocessadors
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The Fifth Generation Computer Systems(FGCS) was an initiative by japon's Ministry of International Trade and Industry (MITI), began in 1982, to computers using massively parallel computing and loqic programming. It was to be the result of a massive government/industry research project in japan during the 1980s.
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Inteligencia artificial