18 Remarkable Developments Throughout the History of Computers

The first generation computers occupied the space of an entire room, but the present day ones can fit into the palm. There are mainly five generation of computers.

First Generation Computers

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In the first generation computers vacuum tubes for circuitry and magnetic drums for memory were used. These computers were very large and generated a lot of heat; also very expensive to afford. They could solve only one problem at a time. Their work is based on the cryptic binary language to perform the operations. Input was based on punched card and output on printouts.

Second Generation Computers

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In second generation computers transistors replaced the vacuum tubes making the computers smaller, faster and cheaper than their predecessors. They could understand the symbolic language and specific instructions given by the programmers in words. At this time high level programming languages were developed.

Third Generation Computers

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Integrated circuit was a drastic change in the third generation computers. Miniaturized transistors were kept on silicon chips which enhanced their efficiency and speed. They became smaller and cheaper because of which many people could afford. These computers have keyboard and monitor for input and output and these could perform many applications at a time.

Fourth Generation Computers

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These are present day computers. In the fourth generation computers, the integrated circuits were built into a single chip due to which they became more efficient and smaller. Other devices like mouse, GUI and handled devices also made the usage of computers easy.

Fifth Generation Computers

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