Fourth Generation Computers

Fourth Generation Computers:

The fourth generation computers started around 1971. Very Large Scale Integration Circuit (VLSI) was developed in this period. It uses Large Scale Integrated Circuits (LSIC) built on a single silicon chip called Microprocessors. VLSI consists of more than 50,000 transistors in a chip. Due to the development of microprocessor it is possible to place computer’s central processing unit (CPU) on single chip. These computers are called microcomputers. During this period UNIX operating system developed and high level languages like C, C++, Java were developed during this period.

Thus the computer which was occupying a very large room in earlier days can now be placed on a table. Personal Computer (PC), Mini Computer, Main Frame Computers are the computers of this generation.


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