The generation of classified into five generations: 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)

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