Due to the presence of transistors instead of vacuum tubes, the size of electron component decreased.
3.Second generation computers were based on Transistor instead of vacuum tubes.
1959-1965 is the period of second-generation computer.
Not reliable and constant maintenance is required.
Limited programming capabilities and punch cards were used to take inputs.
As the invention of first generation computers involves vacuum tubes, so another disadvantage of these computers was, vacuum tubes require a large cooling system.
It could store only a small amount of information due to the presence of magnetic drums.
These computers were based on vacuum tubes.
These were very big in size, weight was about 30 tones.
These computers could calculate in milliseconds.
It made use of vacuum tubes which are the only electronic component available during those days.
J.P.Eckert and J.W.Mauchy invented the first successful electronic computer called ENIAC, ENIAC stands for “Electronic Numeric Integrated And Calculator”.
1946-1959 is the period of first generation computer.
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