Fourth Generation of Computers
1971 - Present
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In the various stages of evolution of computers till fourth generation, the focus has been on reducing the size and increasing the efficiency, which resulted in smaller yet faster computers.
Characteristics:
They use microprocessors invented by Dr. Ted Hoff, a type of very-large-scale-integrated circuits (VLSIC) which contain all the components of a CPU on a single chip.
The VLSIC's perform the bulk of processing and control all parts of the system.
The use of microprocessors have resulted in decreased size and increased efficiency.
The y have much greater computing power and storage capacity than the earlier generations of computer.
They use improved storage devices , cheaper than the earlier ones.
They can be linked together, i.e. networked to share storage capacity, space and data.
Apple Macintosh
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