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First generation (1940-1956) Vaccum Tubes

Second Generation(1956-1963)Transistors

Third Generation(1964-1971)Integrated circuits

Fourth Generation(1971-present)Microprocessors

We already know about some of the early computers - ENIAC , EDVAC , EDSAC , UNIVAC I and IBM . These machines and others of their time used thousands of vacuum tubes . A vacuum tube was a fragile glass device , which used filaments as a source of electronics and could control and amplify electronic signals . It was the only high-speed electronic switching device available in those days . These vacuum tube computers could perform computations in milliseconds and were referred to as first generation computers.

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Which generation most of the computers available today are?

5th generation


What is the chip that powers the 4th and 5th generation of computers?

it know as the silicon chip


Are Computers that used transistors are referred to as third-generation computers?

no, second generation. third generation computers used ICs.


First generation computers are called ICL2900HP9845 A VAX11780.What are second generation computers called?

Second Generation computers. The VAX mentioned above is just a single model of first generation electronic computers.


What are features for second generation computer?

Second generation computers are often called transistorized computers. The transistorized computers are more advanced computers than the first generation of computers.


Differentiate between third generation of computers and fourth generation?

Differentiate between third generation of computers and fourth generation?"


What are the storage capacity of 1st to 5th generation computers?

it varied significantly from computer to computer within each generation with large overlaps from generation to generation but the running trend has been for greater storage capacity in each successive generation.


What is the sixth computer generation?

the sixth generation of computers means the modern computers


Why are the fourth generation computers called digital computers?

Because the first, second, and third generation computers were also digital computers.


History of computer Before 1st generation of computers?

Electro-Mechanical Computers were used before first generation of computers.


Where did the third generation of computers start?

The third generation of computers started in 1964 through 1971.


What are the differences between fourth and fifth generation of computer?

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