COMPUTER MONITERS

THE FOUR GENERATIONS OF COMPUTERS

What are they ?

First Generation
The period of first generation : 1946-1959. Vaccum tube based.

Second Generation
The period of second generation : 1959-1965. Transistor based.

Third Generation
The period of third generation : 1965-1971. Integrated Circuit based.

Fourth Generation
The period of fourth generation : 1971-1980. VLSI microprocessor based.

Fifth Generation
The period of fifth generation : 1980-onwards.ULSI microprocessor based

First Portable Computer

The IMB 5100 is the first portable computer, which was released on September 1975. The computer weighed 55 pounds.

Different Gernerations