The fourth generation of computers came out in 1971. The fourth generation of computers refers to microprocessors and computers made after 1970 that use large-scale integrated circuits and very large-scale integrated circuits as the main electronic components.
#The fourth-generation electronic computer uses large-scale and ultra-large-scale integrated circuits as basic electronic components.
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The fourth generation of computers refers to the use of large-scale integrated circuits after 1970 ( LSI) and very large scale integrated circuit (VLSI) as the main electronic components of computers. For example, the 80386 microprocessor can integrate approximately 320,000 transistors on a single chip with an area of approximately 10mm × 10mm.
Large-scale and very large-scale integrated circuits appeared in 1967 and 1977 respectively. Computers assembled from large-scale and very large-scale integrated circuits are called fourth-generation electronic computers. The American ILLIAC-IV computer is the first computer to fully use large-scale integrated circuits as logic components and memory. It marks the fourth generation of computer development.
In 1975, the American Amul Company developed the 470V/6 computer, and then the Japanese Fujitsu Company produced the M-190 machine, which is a relatively representative fourth-generation computer. The University of Manchester in the UK began developing the fourth-generation aircraft in 1968. In 1974, the ICL2900 computer was successfully developed, and in 1976, the DAP series of computers was successfully developed. In 1973, Germany's Siemens, France's International Information Corporation and the Netherlands' Philips jointly established Unified Data Corporation. Jointly developed the Unidata7710 series of machines.
Another important branch of the fourth generation of computers is microprocessors and microcomputers developed based on large-scale and very large-scale integrated circuits.
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