COMPUTER GENERATIONS: Evolution Of Computers.

1.First Generation  (1940-1956)

The main Technology behind First Generation was Vaccum Tubes.

2.Second Generation (1956-1963)

Main Electronic Device used in this era were Transistors.

3.Third Generation (1963-1971)

Integrated Circuits replaced transistors in this geenration.

4. Fourth Generation (1971-Present)

Main Electronic Component used these days are micro-processors.

5.Fifth Generation (Present-Future)

Robotics (AI) and Expert Systems are included in this era  to make decisions in real life situations.