The fourth
generation computers started with the invention of Microprocessor. The
Microprocessor contains thousands of ICs. Hoff Ted produced the first
microprocessor in 1971 for Intel. It
was known as Intel 4004. The technology of integrated circuits improved
rapidly. The LSI (Large Scale Integration) circuit and VLSI (Very Large Scale
Integration) circuit was designed. It greatly reduced the size of computer. The
size of modern Microprocessors is usually one square inch. It can contain
millions of electronic circuits. The examples of fourth generation computers
are Apple Macintosh & IBM PC.
Advantages
- More powerful and reliable than
previous generations.
- Small in size
- Fast processing power with less
power consumption
- Fan for heat discharging and
thus to keep cold.
- No air conditioning required.
- Totally general purpose
- Commercial production
- Less need of repair.
- Cheapest among all generations
- All types of High level
languages can be used in this type of computers.
Disadvantages
·
The
latest technology is required for manufacturing of Microprocessors.
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