How Computer Evolve?

How Computer Evolve?

The evolution of computers has five generation: 1. First Generation Computer (1940-1956) 2. Second Generation Computer (1956-1963) 3. Third Generation Computer(1964-1971) 4. Fourth Generation Computer(1971-Present) 5. Fifth Generation Computer(Present and Beyond)

1) FIRST GENERATION COMPUTER(1940-1956):

The first generation of computers is characterized by the use of “Vacuum tubes” and it was developed in 1904 by the British engineer “John Ambrose Fleming”. A vacuum tube is an electronic device that is used to controls the flow of electric current in a vacuum. It is used in CRT(Cathode Ray Tube) Tv, Radio, etc.

2.SECOND GENERATION COMPUTER (1956-1963):

The second generation of computers is characterized by the use of “transistors” and it was developed in 1947 by three American physicists “John Bardeen, Walter Brattain, and William Shockley” A transistor is a semiconductor device used to amplify or switch electronic signals or opens or close a circuit. It is invented in bell labs

3.THIRD GENERATION COMPUTER (1964-1971):

The third generation of computers is characterized by the use of “Integrated Circuits” and it was developed in 1958 by “Jack Kilby” The third generation of computers is characterized by the use of “Integrated Circuits” which was developed in 1958 by known as silicon. The transistors were miniaturized and placed on silicon chips which are called semiconductors.

4.FOURTH GENERATION OF COMPUTER (1971-Present):

The fourth generation of computers is characterized by the use of “Microprocessor”. It was invented in the 1970s and It is developed by four inventors named are “Marcian Hoff, Masatoshi Shima, Federico Faggin, Stanley major”. The first microprocessor named was “Intel 4004” CPU, it was the first microprocessor was invented.

5.FIFTH GENERATION OF COMPUTERS (Present and beyond):

These generations of computers were based on AI(Artificial Intelligence) technology. Artificial technology is the branch of computer science which concerned with making computers behave like humans. Examples are Desktop computers, laptops, notebooks, MacBook, etc. These all are the computer which we are using it.

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