The invention of microprocessor chip marked the beginning of the fourth generation computers. MSI yielded to LSI, VLSDI and ULSI. Semiconductor memories replaced magnetic core memories. The invention of microprocessor led to the development of microcomputer or the personal computers. The development of chip diminish the size and price of computers.
The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.
This computer has faster accessing and processing speed and increased memory capacity. These features led to the development of much more powerful operating system.
Developments in fourth generation language and application software for microcomputers become popular and allowed home and business users to adapt their computer for word processing, spreadsheet manipulating, file handling and graphics.
Features of the fourth generation computers were;
- VLSI introduce and used.
- Computer size changed from desktop to laptop and from laptop to palmtop.
- More advanced operating system such as window98, and NT were developed.
- Computer are linked together and share information.
- Fourth generation language(4GL) is used.
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