Generation Of Computers, Easy computer (5th types of generation)


Development of information technology computer generation was divided in to five generation there are:-

Generation Of Computers

Generation Of Computers

First Generation Of Computers (1942-1955) :-

After developing vacuum tubes make the first generation computer. The period of first generation computer was 1942 to 1955 eniac was developed in first generation computer. The electronic component was first generation computer was vacuum tubes. There are include 18000 vacuum tubes and the weight of this computer was 30 ton. EDSAC EDVAC was developed in this generation.

Advantage of first generation computer→

1. ENIAC was first electronic computer
2. Vacuum tubes are first electronic component
3. There are faster than calculating devise during those days

Disadvantage of first generation computer→

1. Air condition required
2. large in size
3. Power conception are very high
4. Maintenance cost was very high

Second Generation Of Computers (1955-1964):-

In the period of second generation was 1955-1964. in this generation computer can use transistor for electronic component. Transistor was most powerful electronic component during those days this computer is faster than previous generation. IBM 1401 and IBM 700 were developed in this generation.

Advantage of second generation computer→

1. Small in size comparison with previous generation.
2. There machine faster than previous generation.
3. Computation will be faster than previous generation.

Disadvantage of 2nd generation computer→

1.  Air condition required
2. Large in size
3. Power conception are high
4. Maintenance cost was very high

Third Generation Of Computers (1965-1975):-

In the period of third generation computer was 1965-1975. IC (Integrated circuit) was electronic component. IC generated large scale integration that means large amount of work done by one mille second. This generation computer was small in size and working capacity is wide. IBM 360 and ICL 1900 was developed by third generation computer.

Advantage of third generation computer→

1. To small in size compare with previous generation.
2. This computer is use for calculation and world war.
3. IBM 360 was developed in third generation computer.

Disadvantage of third generation computer→

1. Limited commercial use
2. Air condition required
3. Maintenance cost is high
4. Internate was not supported

Fourth Generation Computer (1975-1985):-

In the period of fourth generation computer was 1975-1985. The electronic component of fourth generation computer was electronic chip. It supports to computer the work in one macro second.IBM 4300 and ICL 2900 developed in this generation.

Advantage of fourth generation computer→

1. Machine faster than previous generation
2. More reliable
3. Wide commercial use
4. Connect to internet

Disadvantage of forth generation computer→

1. Air condition required in many cases
2. Machine will be slow

Fifth Generation Of Computers (1985-On ward):-

The period is fifth generation computer is lasting on 1985 to onward. Microprocessor was electronics component of fifth generation computer . It is the most popular generation. Desktop computer and laptop computer& tablets developed in this generation.

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