But it became the reason to grow the personal computer market and its cost was only $4,000 in today's dollars. However, in terms of speed, this computer was much slower as compared to the computers in the IBM 360 family. Around 240,000 additions per second can be executed by the new IBM machine, the IBM-PC. In 1981, IBM chose the Intel Corporation as the builder of the microprocessor (the Intel 8086) for IBM's new machine, the IBM-PC. It gave a new rise to the generation of a computer whose lineage would be continued in the present. The first processor was Intel 4004 that was built on a single silicon chip, which was built in 1971 and included 2,300 transistors.
The below image is an instance of the microprocessor. Additionally, the personal computer (PC) revolution also developed because of the features of fourth generation computers. In this generation, computers have become more popular as they are sold at the lowest price. For instance, due to the technology used to build fourth-generation computers, they came with various features such as more versatile, large primary storage capacity, excellent in speed and reliability, portable, very compact and small, etc. The characteristics of the fourth generation of computers was that associated with the process of creating an integrated circuit (IC) with the help of combining many transistors into a single chip because these computers used the VLSI technology. In modern times, the speed and memory of computers have enhanced drastically while the cost and size have dramatically decreased. VLSI short for Very Large-Scale Integration, and LSI stands for Large Scale Integration. On a single chip, VLSI and LSI techniques are contained by a microprocessor to pack millions of transistors. These computers used VLSI circuits, and the time period of this generation was 1971 to 1980.
The computers made in the fourth generation were based upon the microprocessor, which was the extended version of the third generation of computers.
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